{"id":175,"date":"2022-05-25T18:16:58","date_gmt":"2022-05-25T10:16:58","guid":{"rendered":"http:\/\/www.aqwu.net\/wp\/?p=175"},"modified":"2022-05-25T18:16:58","modified_gmt":"2022-05-25T10:16:58","slug":"offensive-windows-ipc-internals-3%ef%bc%9a-alpc","status":"publish","type":"post","link":"https:\/\/www.aqwu.net\/wp\/?p=175","title":{"rendered":"Offensive Windows IPC Internals 3\uff1a ALPC"},"content":{"rendered":"\n<p>\u539f\u6587\u8fde\u63a5\uff1a<\/p>\n\n\n\n<p><a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html\">https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"introduction\">\u4ecb\u7ecd<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#introduction\"><\/a><\/h2>\n\n\n\n<p>\u5728\u8c08\u8bba\u4e86\u4e24\u79cd\u53ef\u4ee5\u8fdc\u7a0b\u548c\u672c\u5730\u4f7f\u7528\u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff08<strong>IPC<\/strong>\uff09\u534f\u8bae\u4e4b\u540e\uff0c\u5373<a href=\"https:\/\/csandker.io\/2021\/01\/10\/Offensive-Windows-IPC-1-NamedPipes.html\">\u547d\u540d\u7ba1\u9053<\/a>\u548c<a href=\"https:\/\/csandker.io\/2021\/02\/21\/Offensive-Windows-IPC-2-RPC.html\">RPC<\/a>\uff0c\u73b0\u5728\u6211\u4eec\u6b63\u5728\u7814\u7a76\u4e00\u79cd\u53ea\u80fd\u5728\u672c\u5730\u4f7f\u7528\u7684\u6280\u672f\u3002\u867d\u7136RPC\u4ee3\u8868<strong>R<\/strong>emote&nbsp;<strong>P<\/strong>rocedure&nbsp;<strong>C<\/strong>all\uff0c\u4f46ALPC\u8bfb\u51fa<strong>A<\/strong>dvanced&nbsp;<strong>L<\/strong>ocal&nbsp;<strong>P<\/strong>rocedure&nbsp;<strong>C<\/strong>all\uff0c\u6709\u65f6\u4e5f\u5f15\u7528\u4e3a<strong>A<\/strong>\u540c\u6b65<strong>L<\/strong>ocal&nbsp;<strong>P<\/strong>rocedure&nbsp;<strong>C<\/strong>all\u3002\u7279\u522b\u662f\u540e\u9762\u7684\u5f15\u7528\uff08\u5f02\u6b65\uff09\u662f\u5bf9Windows Vista\u65f6\u4ee3\u7684\u5f15\u7528\uff0c\u5f53\u65f6ALPC\u88ab\u5f15\u5165\u4ee5\u53d6\u4ee3LPC\uff08\u672c\u5730\u8fc7\u7a0b\u8c03\u7528\uff09\uff0cLPC\u662fWindows Vista\u5174\u8d77\u4e4b\u524d\u4f7f\u7528\u7684\u524d\u8eabIPC\u673a\u5236\u3002<\/p>\n\n\n\n<p><strong>\u5173\u4e8eLPC<\/strong><br>\u7684\u7b80\u77ed\u8bf4\u660e \u672c\u5730\u8fc7\u7a0b\u8c03\u7528\u673a\u5236\u662f\u57281993-94\u5e74\u4e0e\u539f\u59cbWindows NT\u5185\u6838\u4e00\u8d77\u5f15\u5165\u7684<strong>\uff0c\u4f5c\u4e3a\u540c\u6b65<\/strong>\u8fdb\u7a0b\u95f4\u901a\u4fe1\u5de5\u5177\u3002\u5b83\u7684\u540c\u6b65\u7279\u6027\u610f\u5473\u7740\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u5fc5\u987b\u7b49\u5f85\u6d88\u606f\u88ab\u8c03\u5ea6\u5e76\u5bf9\u5176\u6267\u884c\u64cd\u4f5c\uff0c\u7136\u540e\u624d\u80fd\u7ee7\u7eed\u6267\u884c\u3002\u8fd9\u662fALPC\u65e8\u5728\u53d6\u4ee3\u7684\u4e3b\u8981\u7f3a\u9677\u4e4b\u4e00\uff0c\u4e5f\u662fALPC\u88ab\u4e00\u4e9b\u4eba\u79f0\u4e3a<strong>\u5f02\u6b65<\/strong>LPC\u7684\u539f\u56e0\u3002<br>ALPC\u5728Windows Vista\u4e2d\u66dd\u5149\uff0c\u81f3\u5c11\u4eceWindows 7\u5f00\u59cb\uff0cLPC\u5b8c\u5168\u4eceNT\u5185\u6838\u4e2d\u5220\u9664\u3002\u4e3a\u4e86\u4e0d\u7834\u574f\u9057\u7559\u5e94\u7528\u7a0b\u5e8f\u5e76\u5141\u8bb8\u5411\u540e\u517c\u5bb9\u6027\uff08Microsoft \u4ee5\u6b64\u800c\u95fb\u540d\uff09\uff0c\u4fdd\u7559\u4e86\u7528\u4e8e\u521b\u5efa LPC \u7aef\u53e3\u7684\u51fd\u6570\uff0c\u4f46\u51fd\u6570\u8c03\u7528\u88ab\u91cd\u5b9a\u5411\u5230\u4e0d\u521b\u5efa LPC\uff0c\u800c\u662f\u521b\u5efa ALPC \u7aef\u53e3\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/LPC_CreatePort_Win7.png\" alt=\"LPC CreatePort in Windows 7\"><small>CreatePort API Call in Windows 7<\/small><\/p>\n\n\n\n<p>\u7531\u4e8eLPC\u5b9e\u9645\u4e0a\u5df2\u7ecf\u4eceWindows 7\u5f00\u59cb\u6d88\u5931\u4e86\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5c06\u53ea\u5173\u6ce8ALPC\uff0c\u6240\u4ee5\u8ba9\u6211\u4eec\u56de\u5230\u5b83\u3002<br><em>\u4f46\u662f\uff0c\u5982\u679c\u4f60\u50cf\u6211\u4e00\u6837\u559c\u6b22\u9605\u8bfb\u65e7\u7684\uff08er\uff09\u6587\u6863\uff0c\u4e86\u89e3\u4e8b\u60c5\u662f\u5982\u4f55\u5f00\u59cb\u7684\uff0c\u4ee5\u53ca\u4e8b\u60c5\u8fc7\u53bb\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff0c\u8fd9\u91cc\u6709\u4e00\u7bc7\u6587\u7ae0\u8be6\u7ec6\u4ecb\u7ecd\u4e86LPC\u8fc7\u53bb\u5982\u4f55\u5728Windows NT 3.5\u4e2d\u5de5\u4f5c\uff1a<a href=\"http:\/\/web.archive.org\/web\/20090220111555\/http:\/\/www.windowsitlibrary.com\/Content\/356\/08\/1.html\">http:\/\/web.archive.org\/web\/20090220111555\/http:\/\/www.windowsitlibrary.com\/Content\/356\/08\/1.html<\/a><\/em><\/p>\n\n\n\n<p><strong>\u56de\u5230ALPC<\/strong><br>ALPC\u662f\u4e00\u4e2a\u5feb\u901f\uff0c\u975e\u5e38\u5f3a\u5927\u4e14\u5728Windows\u64cd\u4f5c\u7cfb\u7edf\uff08\u5185\u90e8\uff09\u5185\u975e\u5e38\u5e7f\u6cdb\u4f7f\u7528\u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1\u8bbe\u65bd\uff0c\u4f46\u5b83\u4e0d\u6253\u7b97\u88ab\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\uff0c\u56e0\u4e3a\u5bf9Microsoft ALPC\u6765\u8bf4\u662f\u4e00\u4e2a\u5185\u90e8IPC\u8bbe\u65bd\uff0c\u8fd9\u610f\u5473\u7740ALPC\u662f<strong>\u65e0\u6587\u6863\u7684<\/strong>\uff0c\u4ec5\u7528\u4f5c\u5176\u4ed6\uff0c\u6709\u6587\u6863\u8bb0\u5f55\u548c\u9884\u671f\u4f9b\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u7684\u6d88\u606f\u4f20\u8f93\u534f\u8bae\u7684\u57fa\u7840\u4f20\u8f93\u6280\u672f\uff0c \u4f8b\u5982 RPC\u3002<br>\u7136\u800c\uff0cALPC\u662f\u672a\u8bb0\u5f55\u5728\u6848\u7684\uff08\u7531\u5fae\u8f6f\uff09\u7684\u4e8b\u5b9e\u5e76\u4e0d\u610f\u5473\u7740ALPC\u662f\u4e00\u4e2a\u5b8c\u5168\u7684\u9ed1\u5323\u5b50\uff0c\u56e0\u4e3a\u50cf<a href=\"https:\/\/twitter.com\/aionescu\">Alex Ionescu<\/a>\u8fd9\u6837\u7684\u806a\u660e\u4eba\u5df2\u7ecf\u5bf9\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca\u5b83\u6709\u4ec0\u4e48\u7ec4\u4ef6\u8fdb\u884c\u4e86\u9006\u5411\u5de5\u7a0b\u3002\u4f46\u5b83<em>\u7684\u771f\u6b63\u542b\u4e49<\/em>\u662f\uff0c\u60a8\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4efb\u4f55ALPC\u884c\u4e3a\u8fdb\u884c\u4efb\u4f55\u957f\u671f\u751f\u4ea7\u4f7f\u7528\uff0c\u751a\u81f3\u66f4\u786e\u5207\u5730\u8bf4\uff0c\u60a8\u4e0d\u5e94\u8be5\u76f4\u63a5\u4f7f\u7528ALPC\u6765\u6784\u5efa\u8f6f\u4ef6\uff0c\u56e0\u4e3a\u6709\u5f88\u591a\u4e0d\u660e\u663e\u7684\u9677\u9631\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5b89\u5168\u6027\u6216\u7a33\u5b9a\u6027\u95ee\u9898\u3002<br>\u5982\u679c\u4f60\u5728\u9605\u8bfb\u8fd9\u7bc7\u6587\u7ae0\u540e\u89c9\u5f97\u4f60\u53ef\u4ee5\u5728ALPC\u4e0a\u542c\u5230\u53e6\u4e00\u4e2a\u58f0\u97f3\uff0c\u6211\u5f3a\u70c8\u5efa\u8bae\u4f60\u542c<a href=\"https:\/\/csandker.io\/2022\/05\/24\/(https:\/\/twitter.com\/aionescu)\">\u4e00<\/a>\u542c<a href=\"https:\/\/www.youtube.com\/watch?v=UNpL5csYC1E\">Alex\u5728SyScan&#8217;14\u4e0a\u7684ALPC\u6f14\u8bb2<\/a>\uff0c\u7279\u522b\u662f\u5f53Alex\u8c08\u8bba\u4eceALPC\u670d\u52a1\u5668\u53d1\u5e03\u6620\u5c04\u89c6\u56fe\uff08\u8fd9\u53ea\u662f\u89e3\u51b3\u89c6\u56fe\uff09\u6240\u9700\u7684\u6b65\u9aa4\u65f6\uff0c\u8bf7\u7ad6\u8d77\u8033\u6735\uff0c\u8fd9\u8ba9\u4f60\u5728<a href=\"https:\/\/www.youtube.com\/watch?v=UNpL5csYC1E#t=33m18s\">\u6f14\u8bb2\u7684\u7b2c33\u5206\u949f<\/a>\u5de6\u53f3\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u6211\u5728\u8fd9\u91cc\u8bf4\u7684\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>ALPC\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u8da3\u7684\u76ee\u6807\uff0c\u4f46\u4e0d\u9002\u7528\u4e8e\uff08\u975e\u5fae\u8f6f\uff09\u5728\u751f\u4ea7\u5f00\u53d1\u4e2d\u7684\u4f7f\u7528\u3002\u6b64\u5916\uff0c\u60a8\u4e5f\u4e0d\u5e94\u8be5\u4f9d\u8d56\u672c\u6587\u4e2d\u7684\u6240\u6709\u4fe1\u606f\u662f\u6216\u7ee7\u7eed\u662f100%\u51c6\u786e\u7684\uff0c\u56e0\u4e3aALPC\u662f\u65e0\u8bc1\u7684\u3002<\/strong><\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"alpc-internals\">ALPC \u5185\u90e8\u4ef6<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#alpc-internals\"><\/a><\/h2>\n\n\n\n<p>\u597d\u5427\uff0c\u8ba9\u6211\u4eec\u8fdb\u5165\u4e00\u4e9bALPC\u5185\u90e8\uff0c\u4ee5\u4e86\u89e3ALPC\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u901a\u4fe1\u4e2d\u6d89\u53ca\u54ea\u4e9b\u79fb\u52a8\u90e8\u4ef6\u4ee5\u53ca\u6d88\u606f\u7684\u5916\u89c2\uff0c\u4ee5\u4fbf\u6700\u7ec8\u4ece\u8fdb\u653b\u6027\u5b89\u5168\u7684\u89d2\u5ea6\u4e86\u89e3\u4e3a\u4ec0\u4e48ALPC\u53ef\u80fd\u662f\u4e00\u4e2a\u6709\u8da3\u7684\u76ee\u6807\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"the-basics\">\u57fa\u7840\u77e5\u8bc6<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#the-basics\"><\/a><\/h3>\n\n\n\n<p>\u4e3a\u4e86\u4ece\u5730\u9762\u8d77\u98de\uff0c\u5e94\u8be5\u6ce8\u610fALPC\u901a\u4fe1\u7684\u4e3b\u8981\u7ec4\u4ef6\u662fALPC\u7aef\u53e3\u5bf9\u8c61\u3002ALPC \u7aef\u53e3\u5bf9\u8c61\u662f\u5185\u6838\u5bf9\u8c61\uff0c\u5176\u7528\u6cd5\u7c7b\u4f3c\u4e8e\u4f7f\u7528\u7f51\u7edc\u5957\u63a5\u5b57\uff0c\u5176\u4e2d\u670d\u52a1\u5668\u6253\u5f00\u5ba2\u6237\u7aef\u53ef\u4ee5\u8fde\u63a5\u5230\u7684\u5957\u63a5\u5b57\u4ee5\u4ea4\u6362\u6d88\u606f\u3002<br>\u5982\u679c\u60a8\u4ece<a href=\"https:\/\/docs.microsoft.com\/en-us\/sysinternals\/\">Sysinternals Suite<\/a>\u542f\u52a8<a href=\"https:\/\/docs.microsoft.com\/en-us\/sysinternals\/downloads\/winobj\">WinObj<\/a>\uff0c\u60a8\u4f1a\u53d1\u73b0\u6bcf\u4e2aWindows\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u7740\u8bb8\u591aALPC\u7aef\u53e3\uff0c\u53ef\u4ee5\u5728\u6839\u8def\u5f84\u4e0b\u627e\u5230\u4e00\u4e9b\u7aef\u53e3\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/WinObj_ALPC-Ports_Root.png\" alt=\"WinObj \u4e2d\u6839\u8def\u5f84\u4e0b\u7684 ALPC \u7aef\u53e3\"><small>\u6839\u8def\u5f84\u4e0b\u7684 ALPC \u7aef\u53e3<\/small><\/p>\n\n\n\n<p>&#8230;\u4f46\u5927\u591a\u6570ALPC\u7aef\u53e3\u90fd\u4f4d\u4e8e\u201cRPC\u63a7\u5236\u201d\u8def\u5f84\u4e0b\uff08\u8bf7\u8bb0\u4f4f\uff0cRPC\u5728\u5f15\u64ce\u76d6\u4e0b\u4f7f\u7528ALPC\uff09\uff1a<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/WinObj_ALPC-Ports_RPC-Control.png\" alt=\"WinObj_ALPC-Ports_RPC-\u63a7\u5236.png\"><small>\u5728 \\\\RPC \u63a7\u5236\u4e0b\u7684 ALPC<\/small><\/p>\n\n\n\n<p>\u8981\u5f00\u59cb ALPC \u901a\u4fe1\uff0c\u670d\u52a1\u5668\u4f1a\u6253\u5f00\u5ba2\u6237\u7aef\u53ef\u4ee5\u8fde\u63a5\u5230\u7684 ALPC \u7aef\u53e3\uff0c\u8be5<strong>\u7aef\u53e3\u79f0\u4e3a ALPC \u8fde\u63a5\u7aef\u53e3<\/strong>\uff0c\u4f46\u662f\uff0c\u8fd9\u5e76\u4e0d\u662f\u5728 ALPC \u901a\u4fe1\u6d41\u4e2d\u521b\u5efa\u7684\u552f\u4e00 ALPC \u7aef\u53e3\uff08\u60a8\u5c06\u5728\u4e0b\u4e00\u7ae0\u4e2d\u770b\u5230\uff09\u3002\u53e6\u5916\u4e24\u4e2a ALPC \u7aef\u53e3\u662f\u4e3a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u521b\u5efa\u6d88\u606f\u4f20\u9012\u5230\u7684\u3002<br>\u56e0\u6b64\uff0c\u9996\u5148\u8981\u8bb0\u4e0b\u5fc3\u7406\u4e0a\u7684\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>ALPC \u901a\u4fe1\u4e2d\u603b\u5171\u6d89\u53ca 3 \u4e2a ALPC \u7aef\u53e3\uff08\u670d\u52a1\u5668\u7aef 2 \u4e2a\uff0c\u5ba2\u6237\u7aef 1 \u4e2a\uff09\u3002<\/li><li>\u60a8\u5728\u4e0a\u9762\u7684&nbsp;<a href=\"https:\/\/docs.microsoft.com\/en-us\/sysinternals\/downloads\/winobj\">WinObj<\/a>&nbsp;\u5c4f\u5e55\u622a\u56fe\u4e2d\u770b\u5230\u7684<strong>\u7aef\u53e3\u662f ALPC \u8fde\u63a5\u7aef\u53e3<\/strong>\uff0c\u5b83\u4eec\u662f\u5ba2\u6237\u7aef\u53ef\u4ee5\u8fde\u63a5\u5230\u7684\u7aef\u53e3\u3002<\/li><\/ul>\n\n\n\n<p>\u5c3d\u7ba1 ALPC \u901a\u4fe1\u4e2d\u603b\u5171\u4f7f\u7528\u4e86 3 \u4e2a ALPC \u7aef\u53e3\uff0c\u5e76\u4e14\u5b83\u4eec\u90fd\u7531\u4e0d\u540c\u7684\u540d\u79f0\uff08\u5982\u201cALPC \u8fde\u63a5\u7aef\u53e3\u201d\uff09\u5f15\u7528\uff0c\u4f46\u53ea\u6709\u4e00\u4e2a ALPC \u7aef\u53e3\u5185\u6838\u5bf9\u8c61\uff0cALPC \u901a\u4fe1\u4e2d\u4f7f\u7528\u7684\u6240\u6709\u4e09\u4e2a\u7aef\u53e3\u90fd\u5b9e\u4f8b\u5316\u4e86\u8be5\u5bf9\u8c61\u3002\u6b64 ALPC \u5185\u6838\u5bf9\u8c61\u7684\u9aa8\u67b6\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_Port_KernelStructure.png\" alt=\"ALPC Kernel Object\"><small>_ALPC_PORT\u5185\u6838\u7ed3\u6784<\/small><\/p>\n\n\n\n<p>\u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u51fa\uff0cALPC \u5185\u6838\u5bf9\u8c61\u662f\u4e00\u4e2a\u76f8\u5f53\u590d\u6742\u7684\u5185\u6838\u5bf9\u8c61\uff0c\u5f15\u7528\u4e86\u5404\u79cd\u5176\u4ed6\u5bf9\u8c61\u7c7b\u578b\u3002\u8fd9\u4f7f\u5b83\u6210\u4e3a\u4e00\u4e2a\u6709\u8da3\u7684\u7814\u7a76\u76ee\u6807\uff0c\u4f46\u4e5f\u4e3a\u9519\u8bef\u548c\/\u6216\u9519\u8fc7\u7684\u653b\u51fb\u8def\u5f84\u7559\u4e0b\u4e86\u4e00\u4e9b\u5f88\u597d\u7684\u4f59\u5730\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"alpc-message-flow\">ALPC \u6d88\u606f\u6d41<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#alpc-message-flow\"><\/a><\/h3>\n\n\n\n<p>\u4e3a\u4e86\u66f4\u6df1\u5165\u5730\u4e86\u89e3 ALPC\uff0c\u6211\u4eec\u5c06\u4e86\u89e3 ALPC \u6d88\u606f\u6d41\uff0c\u4ee5\u4e86\u89e3\u6d88\u606f\u7684\u53d1\u9001\u65b9\u5f0f\u4ee5\u53ca\u8fd9\u4e9b\u6d88\u606f\u7684\u5916\u89c2\u3002\u9996\u5148\uff0c\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u5230\uff0cALPC \u901a\u4fe1\u65b9\u6848\u4e2d\u6d89\u53ca 3 \u4e2a ALPC \u7aef\u53e3\u5bf9\u8c61\uff0c\u7b2c\u4e00\u4e2a\u5bf9\u8c61\u662f\u7531\u670d\u52a1\u5668\u8fdb\u7a0b\u521b\u5efa\u4e14\u5ba2\u6237\u7aef\u53ef\u4ee5\u8fde\u63a5\u5230\u7684&nbsp;<strong>ALPC \u8fde\u63a5\u7aef\u53e3<\/strong>\uff08\u7c7b\u4f3c\u4e8e\u7f51\u7edc\u5957\u63a5\u5b57\uff09\u3002\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684 ALPC \u8fde\u63a5\u7aef\u53e3\u540e\uff0c\u5185\u6838\u5c06\u521b\u5efa\u4e24\u4e2a\u65b0\u7aef\u53e3\uff0c\u79f0\u4e3a&nbsp;<strong>ALPC \u670d\u52a1\u5668\u901a\u4fe1\u7aef\u53e3<\/strong>\u548c&nbsp;<strong>ALPC \u5ba2\u6237\u7aef\u901a\u4fe1\u7aef\u53e3<\/strong>\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_PortObjects_Diagam1.png\" alt=\"ALPC \u7aef\u53e3\u5bf9\u8c61\u5173\u7cfb\"><small>ALPC \u7aef\u53e3\u5bf9\u8c61\u5173\u7cfb<\/small><\/p>\n\n\n\n<p>\u5efa\u7acb\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u901a\u4fe1\u7aef\u53e3\u540e\uff0c\u53cc\u65b9\u90fd\u53ef\u4ee5\u4f7f\u7528&nbsp;<em>ntdll.dll<\/em>&nbsp;\u516c\u5f00\u7684\u5355\u4e2a\u51fd\u6570\u76f8\u4e92\u53d1\u9001\u6d88\u606f\u3002<br>\u8fd9\u4e2a\u51fd\u6570\u7684\u540d\u79f0\u542c\u8d77\u6765\u50cf\u662f\u4e09\u4ef6\u4e8b &#8211; \u53d1\u9001\uff0c\u7b49\u5f85\u548c\u63a5\u6536 &#8211; \u8fd9\u6b63\u662f\u5b83\u3002\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4f7f\u7528\u6b64\u5355\u4e2a\u51fd\u6570\u5728\u5176 ALPC \u7aef\u53e3\u4e0a\u7b49\u5f85\u6d88\u606f\u3001\u53d1\u9001\u6d88\u606f\u548c\u63a5\u6536\u6d88\u606f\u3002\u8fd9\u542c\u8d77\u6765\u4e0d\u5fc5\u8981\u7684\u590d\u6742\uff0c\u6211\u4e0d\u80fd\u786e\u5207\u5730\u544a\u8bc9\u4f60\u4e3a\u4ec0\u4e48\u5b83\u662f\u8fd9\u6837\u6784\u5efa\u7684\uff0c\u4f46\u8fd9\u662f\u6211\u7684\u731c\u6d4b\uff1a\u8bf7\u8bb0\u4f4f\uff0cALPC\u662f\u4f5c\u4e3a\u4e00\u4e2a\u5feb\u901f\u4e14\u4ec5\u9650\u5185\u90e8\u7684\u901a\u4fe1\u5de5\u5177\u521b\u5efa\u7684\uff0c\u5e76\u4e14\u901a\u4fe1\u901a\u9053\u662f\u56f4\u7ed5\u5355\u4e2a\u5185\u6838\u5bf9\u8c61\uff08ALPC\u7aef\u53e3\uff09\u6784\u5efa\u7684\u3002\u4f7f\u7528\u6b643\u8def\u51fd\u6570\u5141\u8bb8\u5728\u5355\u4e2a\u8c03\u7528\u4e2d\u6267\u884c\u591a\u4e2a\u64cd\u4f5c\uff0c\u4f8b\u5982\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\uff0c\u4ece\u800c\u8282\u7701\u65f6\u95f4\u5e76\u51cf\u5c11\u7528\u6237\u5185\u6838-\u9646\u5730\u5207\u6362\u3002\u6b64\u5916\uff0c\u6b64\u529f\u80fd\u5145\u5f53\u6d88\u606f\u4ea4\u6362\u8fc7\u7a0b\u7684\u5355\u4e2a\u95e8\uff0c\u56e0\u6b64\u5141\u8bb8\u66f4\u5bb9\u6613\u7684\u4ee3\u7801\u66f4\u6539\u548c\u4f18\u5316\uff08ALPC\u901a\u4fe1\u7528\u4e8e\u8bb8\u591a\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ec4\u4ef6\uff0c\u4ece\u5185\u6838\u9a71\u52a8\u7a0b\u5e8f\u5230\u7531\u4e0d\u540c\u5185\u90e8\u56e2\u961f\u5f00\u53d1\u7684\u7528\u6237GUI\u5e94\u7528\u7a0b\u5e8f\uff09\u3002\u6700\u540e\uff0cALPC\u65e8\u5728\u4f5c\u4e3a\u4ec5\u5185\u90e8IPC\u673a\u5236\uff0c\u56e0\u6b64Microsoft\u4e0d\u9700\u8981\u4e3b\u8981\u8bbe\u8ba1\u7528\u6237\u6216\u7b2c\u4e09\u65b9\u5f00\u53d1\u4eba\u5458\u53cb\u597d\u3002<br>\u5728\u8fd9\u4e2a\u5355\u4e2a\u51fd\u6570\u4e2d\uff0c\u60a8\u8fd8\u53ef\u4ee5\u6307\u5b9a\u8981\u53d1\u9001\u7684\u6d88\u606f\u7c7b\u578b\uff08\u6709\u4e0d\u540c\u7684\u7c7b\u578b\u5177\u6709\u4e0d\u540c\u7684\u542b\u4e49\uff0c<em>\u6211\u4eec\u7a0d\u540e\u5c06\u5bf9\u6b64\u8fdb\u884c\u4ecb\u7ecd<\/em>\uff09\u4ee5\u53ca\u8981\u4e0e\u6d88\u606f\u4e00\u8d77\u53d1\u9001\u7684\u5176\u4ed6\u5c5e\u6027\uff08\u7a0d\u540e\u6211\u4eec\u5c06\u5728<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#alpc-message-attributes\">ALPC\u6d88\u606f\u5c5e\u6027<\/a>\u4e00\u7ae0\u4e2d\u518d\u6b21\u4ecb\u7ecd\u60a8\u53ef\u4ee5\u4e0e\u6d88\u606f\u4e00\u8d77\u53d1\u9001\u7684\u5185\u5bb9\uff09\u3002<code>NtAlpcSendWaitReceivePort<\/code><\/p>\n\n\n\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u8fd9\u542c\u8d77\u6765\u975e\u5e38\u7b80\u5355\uff1a\u670d\u52a1\u5668\u6253\u5f00\u4e00\u4e2a\u7aef\u53e3\uff0c\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u5b83\uff0c\u4e24\u8005\u90fd\u63a5\u6536\u4e00\u4e2a\u901a\u4fe1\u7aef\u53e3\u7684\u53e5\u67c4\uff0c\u5e76\u901a\u8fc7\u5355\u4e2a\u51fd\u6570\u53d1\u9001\u6d88\u606f&#8230;&#8230;\u5bb9\u6613\u3002<br>\u6211\u4eec\u5c06\u5728\u9ad8\u5c42\u6b21\u4e0a\u8f7b\u677e\uff0c\u4f46\u60a8\u80af\u5b9a\u6765\u8fd9\u91cc\u4e86\u89e3\u8be6\u7ec6\u4fe1\u606f\uff0c\u5e16\u5b50\u7684\u6807\u9898\u8bf4\u201c\u5185\u90e8\u201d\uff0c\u6240\u4ee5\u8ba9\u6211\u4eec\u7cfb\u597d\u5b89\u5168\u5e26\u4ed4\u7ec6\u770b\u770b\uff1a<code>NtAlpcSendWaitReceivePort<\/code><\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>\u670d\u52a1\u5668<\/strong>\u8fdb\u7a0b\u4f7f\u7528\u9009\u5b9a\u7684ALPC\u7aef\u53e3\u540d\u79f0\uff08\u4f8b\u5982\u201cCSALPCPort\u201d\uff09\u8c03\u7528<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L300-L305\">NtAlpcCreatePort<\/a>\uff0c\u5e76\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/secauthz\/security-descriptors\">SecurityDescriptor<\/a>\u6765\u6307\u5b9a\u8c01\u53ef\u4ee5\u8fde\u63a5\u5230\u5b83\u3002<em><\/em><br>\u5185\u6838\u521b\u5efa\u4e00\u4e2a ALPC \u7aef\u53e3\u5bf9\u8c61\uff0c\u5e76\u5c06\u6b64\u5bf9\u8c61\u7684\u53e5\u67c4\u8fd4\u56de\u7ed9\u670d\u52a1\u5668\uff0c\u6b64\u7aef\u53e3\u79f0\u4e3a&nbsp;<strong>ALPC \u8fde\u63a5\u7aef\u53e3<\/strong><\/li><li><strong>\u670d\u52a1\u5668<\/strong>\u8c03\u7528&nbsp;<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L322-L332\">NtAlpcSendWaitReceivePort<\/a>\uff0c\u5c06\u53e5\u67c4\u4f20\u9012\u5230\u5176\u5148\u524d\u521b\u5efa\u7684\u8fde\u63a5\u7aef\u53e3\uff0c\u4ee5\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5<\/li><li>\u7136\u540e\uff0c<strong>\u5ba2\u6237\u7aef<\/strong>\u53ef\u4ee5\u4f7f\u7528<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L307-L320\">\u4ee5\u4e0b\u547d\u4ee4\u8c03\u7528 NtAlpcConnectPort<\/a>\uff1a<ul><li>\u670d\u52a1\u5668\u7684 ALPC \u7aef\u53e3 \uff08<em>CSALPCPort\uff09<\/em>&nbsp;\u7684\u540d\u79f0)<\/li><li><em>\uff08\u53ef\u9009\uff09<\/em>\u7ed9\u670d\u52a1\u5668\u7684\u6d88\u606f\uff08\u4f8b\u5982\uff0c\u53d1\u9001\u9b54\u672f\u5173\u952e\u5b57\u6216\u5176\u4ed6\u4efb\u4f55\u5185\u5bb9\uff09<\/li><li><em>\uff08\u53ef\u9009\uff09<\/em>\u670d\u52a1\u5668\u7684 SID\uff0c\u4ee5\u786e\u4fdd\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u76ee\u6807\u670d\u52a1\u5668<\/li><li><em>\uff08\u53ef\u9009\uff09<\/em>\u8981\u4e0e\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42<br>\u4e00\u8d77\u53d1\u9001\u7684\u6d88\u606f<em>\u5c5e\u6027\uff08\u6d88\u606f\u5c5e\u6027\u5c06\u5728&nbsp;<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#alpc-message-attributes\">ALPC \u6d88\u606f\u5c5e\u6027<\/a>\u4e00\u7ae0\u4e2d\u8be6\u7ec6\u4ecb\u7ecd\uff09<\/em><\/li><\/ul><\/li><li>\u7136\u540e\uff0c\u6b64\u8fde\u63a5\u8bf7\u6c42\u5c06\u4f20\u9012\u5230<strong>\u670d\u52a1\u5668\uff0c\u670d\u52a1\u5668<\/strong>\u8c03\u7528&nbsp;<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L334-L345\">NtAlpcAcceptConnectPort<\/a>&nbsp;\u4ee5\u63a5\u53d7\u6216\u62d2\u7edd\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002<br><em>\uff08\u662f\u7684\uff0c\u5c3d\u7ba1\u8be5\u51fd\u6570\u540d\u4e3a NtAlpcAccept&#8230;\u6b64\u51fd\u6570\u8fd8\u53ef\u7528\u4e8e\u62d2\u7edd\u5ba2\u6237\u7aef\u8fde\u63a5\u3002\u6b64\u51fd\u6570 last \u53c2\u6570\u662f\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u5b83\u6307\u5b9a\u662f\u63a5\u53d7\u8fde\u63a5\uff08\u5982\u679c\u8bbe\u7f6e\u4e3a&nbsp;<code>true<\/code>\uff09\u8fd8\u662f\u62d2\u7edd\u8fde\u63a5\uff08\u5982\u679c\u8bbe\u7f6e\u4e3a&nbsp;<code>false<\/code>\uff09\u3002<\/em><br>\u670d\u52a1\u5668\u8fd8\u53ef\u4ee5\uff1a<ul><li><em>\uff08\u53ef\u9009\uff09<\/em>\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u4e00\u6761\u6d88\u606f\uff0c\u5176\u4e2d\u5305\u542b\u63a5\u53d7\u6216\u62d2\u7edd\u8fde\u63a5\u8bf7\u6c42\u548c\/\u6216&#8230;<\/li><li><em>\uff08\u53ef\u9009\uff09<\/em>\u5c06\u6d88\u606f\u5c5e\u6027\u6dfb\u52a0\u5230\u8be5\u6d88\u606f\u548c\/\u6216 ..<\/li><li><em>\uff08\u53ef\u9009\uff09<\/em>\u5206\u914d\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7ed3\u6784\uff0c\u4f8b\u5982\u4e00\u4e2a\u552f\u4e00\u7684ID\uff0c\u8be5\u7ed3\u6784\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684\u901a\u4fe1\u7aef\u53e3\u4ee5\u8bc6\u522b\u5ba2\u6237\u7aef<br><em>\u2014 \u5982\u679c\u670d\u52a1\u5668\u63a5\u53d7\u8fde\u63a5\u8bf7\u6c42\uff0c\u5219\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5404\u81ea\u63a5\u6536\u4e00\u4e2a\u901a\u4fe1\u7aef\u53e3\u7684\u53e5\u67c4 \u2014<\/em><\/li><\/ul><\/li><li><strong>\u5ba2\u6237\u7aef<\/strong>\u548c<strong>\u670d\u52a1\u5668<\/strong>\u73b0\u5728\u53ef\u4ee5\u901a\u8fc7<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L322-L332\">NtAlpcSendWaitReceivePort<\/a>\u76f8\u4e92\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\uff0c\u5176\u4e2d\uff1a<ul><li><strong>\u5ba2\u6237\u7aef<\/strong>\u4fa6\u542c\u65b0\u6d88\u606f\u5e76\u5c06\u5176\u53d1\u9001\u5230\u5176<em>\u901a\u4fe1<\/em>\u7aef\u53e3<\/li><li><strong>\u670d\u52a1\u5668<\/strong>\u4fa6\u542c\u65b0\u6d88\u606f\u5e76\u5c06\u5176\u53d1\u9001\u5230\u5176<em>\u8fde\u63a5<\/em>\u7aef\u53e3<\/li><li><strong>\u5ba2\u6237\u7aef<\/strong>\u548c<strong>\u670d\u52a1\u5668<\/strong>\u90fd\u53ef\u4ee5\u6307\u5b9a\u5b83\u4eec\u5728\u4fa6\u542c\u65b0<em>\u6d88\u606f<\/em>\u65f6\u8981\u63a5\u6536\u7684\u6d88\u606f\u5c5e\u6027\uff08\u6211\u4eec\u7a0d\u540e\u5c06\u4ecb\u7ecd tht\uff09<\/li><\/ul><\/li><\/ol>\n\n\n\n<p><em>&#8230;\u7b49\u4e00\u4f1a\u3002\u3002\u3002\u4e3a\u4ec0\u4e48\u670d\u52a1\u5668\u5728<u>\u8fde\u63a5\u7aef\u53e3<\/u>\u800c\u4e0d\u662f\u5176<u>\u901a\u4fe1<\/u>\u7aef\u53e3\u4e0a\u53d1\u9001\/\u63a5\u6536\u6570\u636e\uff0c\u56e0\u4e3a\u5b83\u5177\u6709\u4e13\u7528\u7684\u901a\u4fe1\u7aef\u53e3?&#8230;\u8fd9\u662f\u5728ALPC\u4e0a\u8ba9\u6211\u611f\u5230\u56f0\u60d1\u7684\u4f17\u591a\u4e8b\u60c5\u4e4b\u4e00\uff0c\u6211\u6ca1\u6709\u505a\u6240\u6709\u7e41\u91cd\u7684\u9006\u8f6c\u5de5\u4f5c\u6765\u5f04\u6e05\u695a\u8fd9\u4e00\u70b9\uff0c\u800c\u662f\u4f5c\u5f0a\u5e76\u8054\u7cfb\u4e86<a href=\"https:\/\/twitter.com\/aionescu\">Alex Ionescu<\/a>\uff0c\u7b80\u5355\u5730\u8be2\u95ee\u4e86\u4e13\u5bb6\u3002\u6211\u628a\u7b54\u6848\u653e\u5728\u672c\u6587\u672b\u5c3e\u7684<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#appendix-a-the-use-of-connection-and-communication-ports\">\u9644\u5f55A<\/a>\u4e2d\uff0c\u56e0\u4e3a\u6211\u4e0d\u60f3\u5728\u8fd9\u4e00\u70b9\u4e0a\u79bb\u6d88\u606f\u6d41\u592a\u8fdc&#8230;&#8230;\u5bf9\u4e0d\u8d77\u60ac\u5d16\u8863\u67b6&#8230;<\/em><\/p>\n\n\n\n<p>\u65e0\u8bba\u5982\u4f55\uff0c\u4ece\u4e0a\u9762\u56de\u987e\u6d88\u606f\u6d41\uff0c\u6211\u4eec\u53ef\u4ee5\u63a8\u65ad\u51fa\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u6b63\u5728\u4f7f\u7528\u5404\u79cd\u51fd\u6570\u8c03\u7528\u6765\u521b\u5efaALPC\u7aef\u53e3\uff0c\u7136\u540e\u901a\u8fc7\u5355\u4e2a\u51fd\u6570\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u3002\u867d\u7136\u8fd9\u5305\u542b\u6709\u5173\u6d88\u606f\u6d41\u7684\u5927\u91cf\u4fe1\u606f\uff0c\u4f46\u91cd\u8981\u7684\u662f\u8981\u59cb\u7ec8\u6ce8\u610f\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u6ca1\u6709\u76f4\u63a5\u7684\u5bf9\u7b49\u8fde\u63a5\uff0c\u800c\u662f\u901a\u8fc7\u5185\u6838\u8def\u7531\u6240\u6709\u6d88\u606f\uff0c\u5185\u6838\u8d1f\u8d23\u5c06\u6d88\u606f\u653e\u5728\u6d88\u606f\u961f\u5217\u4e0a\uff0c\u901a\u77e5\u6bcf\u4e00\u65b9\u6536\u5230\u7684\u6d88\u606f\u4ee5\u53ca\u5176\u4ed6\u4e8b\u60c5\uff0c\u4f8b\u5982\u9a8c\u8bc1\u6d88\u606f\u548c\u6d88\u606f\u5c5e\u6027\u3002\u4e3a\u4e86\u6b63\u786e\u770b\u5f85\u8fd9\u4e00\u70b9\uff0c\u6211\u5728\u8fd9\u5f20\u56fe\u7247\u4e2d\u6dfb\u52a0\u4e86<em>\u4e00\u4e9b<\/em>\u5185\u6838\u8c03\u7528\uff1a<code>NtAlpcSendWaitReceivePort<\/code><\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_Message_Flow.svg\" alt=\"ALPC \u6d88\u606f\u6d41\"><small>ALPC \u6d88\u606f\u6d41<\/small><\/p>\n\n\n\n<p>\u6211\u4e0d\u5f97\u4e0d\u627f\u8ba4\uff0c\u4e4d\u4e00\u770b\uff0c\u8fd9\u662f\u56fe\u8868\u4e0d\u662f\u8d85\u7ea7\u76f4\u89c2\uff0c\u4f46\u6211\u4fdd\u8bc1\u4e8b\u60c5\u4f1a\u53d8\u5f97\u66f4\u52a0\u6e05\u6670\uff0c\u5fcd\u53d7\u6211\u3002<br>\u4e3a\u4e86\u66f4\u5168\u9762\u5730\u4e86\u89e3 ALPC \u5728\u5f15\u64ce\u76d6\u4e0b\u7684\u6837\u5b50\uff0c\u6211\u4eec\u9700\u8981\u66f4\u6df1\u5165\u5730\u4e86\u89e3 ALPC \u6d88\u606f\u7684\u5b9e\u73b0\u90e8\u5206\uff0c\u6211\u5c06\u5728\u4e0b\u4e00\u8282\u4e2d\u4ecb\u7ecd\u8fd9\u4e9b\u5185\u5bb9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"alpc-messaging-details\">ALPC \u6d88\u606f\u8be6\u7ec6\u4fe1\u606f<\/h3>\n\n\n\n<p>\u597d\u7684\uff0c\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u6f84\u6e05\u4e00\u4e0bALPC\u6d88\u606f\u7684\u7ed3\u6784\u3002ALPC \u6d88\u606f\u59cb\u7ec8\u5305\u542b\u6240\u8c13\u7684<em>PORT_HEADER<\/em>\u6216<em>PORT_MESSAGE<\/em>\uff0c\u540e\u8ddf\u8981\u53d1\u9001\u7684\u5b9e\u9645\u6d88\u606f\uff0c\u4f8b\u5982\u4e00\u4e9b\u6587\u672c\u3001\u4e8c\u8fdb\u5236\u5185\u5bb9\u6216\u5176\u4ed6\u4efb\u4f55\u5185\u5bb9\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_Kernel_PortMessage_Structure.png\" alt=\"ALPC_Kernel_PortMessage_Structure.png\"><small>_PORT_MESSAGE \u5185\u6838\u7ed3\u6784<\/small><\/p>\n\n\n\n<p>\u5728\u666e\u901a\u7684\u65e7C++\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u4e2a\u7ed3\u6784\u5b9a\u4e49ALPC\u6d88\u606f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>typedef struct _ALPC_MESSAGE {\n\tPORT_MESSAGE PortHeader;\n\tBYTE PortMessage&#91;100];      \/\/ using a byte array of size 100 to store my actual message\n} ALPC_MESSAGE, * PALPC_MESSAGE;\n\ntypedef struct _PORT_MESSAGE\n{\n\tunion {\n\t\tstruct {\n\t\t\tUSHORT DataLength;\n\t\t\tUSHORT TotalLength;\n\t\t} s1;\n\t\tULONG Length;\n\t} u1;\n\tunion {\n\t\tstruct {\n\t\t\tUSHORT Type;\n\t\t\tUSHORT DataInfoOffset;\n\t\t} s2;\n\t\tULONG ZeroInit;\n\t} u2;\n\tunion {\n\t\tCLIENT_ID ClientId;\n\t\tdouble DoNotUseThisField;\n\t};\n\tULONG MessageId;\n\tunion {\n\t\tSIZE_T ClientViewSize;\n\t\tULONG CallbackId;\n\t};\n} PORT_MESSAGE, * PPORT_MESSAGE;<\/code><\/pre>\n\n\n\n<p>\u4e3a\u4e86\u53d1\u9001\u6d88\u606f\uff0c\u6211\u4eec\u6240\u8981\u505a\u7684\u5c31\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ specify the message struct and fill it with all 0's to get a clear start\nALPC_MESSAGE pmSend, pmReceived;\nRtlSecureZeroMemory(&amp;pmSend, sizeof(pmSend));\nRtlSecureZeroMemory(&amp;pmReceived, sizeof(pmReceived));\n\/\/ getting a pointer to my payload (message) byte array\nLPVOID lpPortMessage = pmSend->PortMessage;\nLPCSTR lpMessage = \"Hello World!\";\nint lMsgLen = strlen(lpMessage);\n\/\/ copying my message into the message byte array\nmemmove(lpPortMessage, messageContent, lMsgLen);\n\/\/ specify the length of the message\npMessage->PortHeader.u1.s1.DataLength = lMsgLen;\n\/\/ specify the total length of the ALPC message\npMessage->PortHeader.u1.s1.TotalLength = sizeof(PORT_MESSAGE) + lMsgLen;\n\/\/ Send the ALPC message\nNTSTATUS lSuccess = NtAlpcSendWaitReceivePort(\n    hCommunicationPort,\t\t\/\/ the client's communication port handle\n    ALPC_MSGFLG_SYNC_REQUEST, \/\/ message flags: synchronous message (send &amp; receive message) \n    (PPORT_MESSAGE)&amp;pmSend,\t\/\/ our ALPC message\n    NULL,                   \/\/ sending message attributes: we don't need that in the first step\n    (PPORT_MESSAGE)&amp;pmReceived, \/\/ ALPC message buffer to receive a message\n    &amp;ulReceivedSize,        \/\/ SIZE_T ulReceivedSize; Size of the received message\n    NULL,                   \/\/ receiving message attributes: we don't need that in the first step\n    0                       \/\/ timeout parameter, we don't want to timeout\n);<\/code><\/pre>\n\n\n\n<p>\u6b64\u4ee3\u7801\u6bb5\u5c06\u5411\u6211\u4eec\u8fde\u63a5\u5230\u7684\u670d\u52a1\u5668\u53d1\u9001\u4e00\u6761\u5e26\u6709\u201cHello World\uff01\u201d\u6b63\u6587\u7684 ALPC \u6d88\u606f\u3002\u6211\u4eec\u5c06\u6d88\u606f\u6307\u5b9a\u4e3a\u5177\u6709\u6807\u5fd7\u7684\u540c\u6b65\u6d88\u606f\uff0c\u8fd9\u610f\u5473\u7740\u6b64\u8c03\u7528\u5c06\u7b49\u5f85\uff08\u963b\u6b62\uff09\uff0c\u76f4\u5230\u5728\u5ba2\u6237\u7aef\u7684\u901a\u4fe1\u7aef\u53e3\u4e0a\u6536\u5230\u6d88\u606f\u3002<br>\u5f53\u7136\uff0c\u6211\u4eec\u4e0d\u5fc5\u7b49\u5230\u65b0\u6d88\u606f\u51fa\u73b0\uff0c\u800c\u662f\u5c06\u65f6\u95f4\u7528\u4e8e\u5176\u4ed6\u4efb\u52a1\uff08\u8bf7\u8bb0\u4f4f\uff0cALPC\u7684\u6784\u5efa\u662f\u5f02\u6b65\u7684\uff0c\u5feb\u901f\u7684\u548c\u9ad8\u6548\u7684\uff09\u3002\u4e3a\u4e86\u4fbf\u4e8e ALPC \u63d0\u4f9b\u4e09\u79cd\u4e0d\u540c\u7684\u6d88\u606f\u7c7b\u578b\uff1a<code>ALPC_MSGFLG_SYNC_REQUEST<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u540c\u6b65\u8bf7\u6c42<\/strong>\uff1a\u5982\u4e0a\u6240\u8ff0\uff0c\u540c\u6b65\u6d88\u606f\u5757\u76f4\u5230\u65b0\u6d88\u606f\u4f20\u5165\uff08\u4f5c\u4e3a\u903b\u8f91\u7ed3\u679c\uff0c\u5728\u4f7f\u7528\u540c\u6b65\u6d88\u606f\u8c03\u7528\u65f6\u5fc5\u987b\u6307\u5b9a\u63a5\u6536ALPC\u6d88\u606f\u7f13\u51b2\u533a\uff09<code>NtAlpcSendWaitReceivePort<\/code><\/li><li><strong>\u5f02\u6b65\u8bf7\u6c42<\/strong>\uff1a\u5f02\u6b65\u6d88\u606f\u53d1\u9001\u6d88\u606f\uff0c\u4f46\u4e0d\u7b49\u5f85\u4efb\u4f55\u6536\u5230\u7684\u6d88\u606f\u6216\u5bf9\u4efb\u4f55\u63a5\u6536\u7684\u6d88\u606f\u6267\u884c\u64cd\u4f5c\u3002<\/li><li><strong>\u6570\u636e\u62a5\u8bf7\u6c42<\/strong>\uff1a\u6570\u636e\u62a5\u8bf7\u6c42\u7c7b\u4f3c\u4e8eUDP\u6570\u636e\u5305\uff0c\u5b83\u4eec\u4e0d\u9700\u8981\u56de\u590d\uff0c\u56e0\u6b64\u5185\u6838\u5728\u53d1\u9001\u6570\u636e\u62a5\u8bf7\u6c42\u65f6\u4e0d\u4f1a\u963b\u6b62\u7b49\u5f85\u6536\u5230\u7684\u6d88\u606f\u3002<\/li><\/ul>\n\n\n\n<p>\u56e0\u6b64\uff0c\u57fa\u672c\u4e0a\uff0c\u60a8\u53ef\u4ee5\u9009\u62e9\u53d1\u9001\u9700\u8981\u56de\u590d\u7684\u6d88\u606f\u6216\u4e0d\u9700\u8981\u56de\u590d\u7684\u6d88\u606f\uff0c\u5f53\u60a8\u9009\u62e9\u524d\u8005\u65f6\uff0c\u60a8\u8fd8\u53ef\u4ee5\u9009\u62e9\u7b49\u5230\u56de\u590d\u8fdb\u6765\uff0c\u6216\u8005\u4e0d\u8981\u7b49\u5f85\uff0c\u540c\u65f6\u4f7f\u7528\u5b9d\u8d35\u7684CPU\u65f6\u95f4\u505a\u5176\u4ed6\u4e8b\u60c5\u3002\u8fd9\u7ed9\u4f60\u7559\u4e0b\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u5373\u5982\u679c\u60a8\u9009\u62e9\u4e86\u6700\u540e\u4e00\u4e2a\u9009\u9879\u800c\u4e0d\u662f\u5728\u51fd\u6570\u8c03\u7528\u4e2d\u7b49\u5f85\uff08\u5f02\u6b65\u8bf7\u6c42\uff09\uff0c\u5982\u4f55\u63a5\u6536\u56de\u590d\uff1f<br>\u518d\u4e00\u6b21\uff0c\u60a8\u67093\u4e2a\u9009\u62e9\uff1a<code>NtAlpcSendWaitReceivePort<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u60a8\u53ef\u4ee5\u4f7f\u7528 ALPC \u5b8c\u6210\u5217\u8868\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5185\u6838<em>\u4e0d\u4f1a<\/em>\u901a\u77e5\u60a8\uff08\u4f5c\u4e3a\u63a5\u6536\u65b9\uff09\u5df2\u6536\u5230\u65b0\u6570\u636e\uff0c\u800c\u53ea\u662f\u5c06\u6570\u636e\u590d\u5236\u5230\u8fdb\u7a0b\u5185\u5b58\u4e2d\u3002\u7531\u60a8\uff08\u4f5c\u4e3a\u63a5\u6536\u8005\uff09\u6765\u4e86\u89e3\u8fd9\u4e9b\u65b0\u6570\u636e\u7684\u5b58\u5728\u3002\u4f8b\u5982\uff0c\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u60a8\u4e0e ALPC \u670d\u52a1\u5668\u00b9 \u4e4b\u95f4\u5171\u4eab\u7684\u901a\u77e5\u4e8b\u4ef6\u6765\u5b9e\u73b0\u3002\u4e00\u65e6\u670d\u52a1\u5668\u53d1\u51fa\u4e8b\u4ef6\u4fe1\u53f7\uff0c\u60a8\u5c31\u77e5\u9053\u65b0\u6570\u636e\u5df2\u5230\u8fbe\u3002<br><small>\u00b9Taken \u81ea&nbsp;<a href=\"https:\/\/www.microsoftpressstore.com\/store\/windows-internals-part-2-9780135462409\">Windows Internals\uff0c Part 2\uff0c 7th Edition<\/a>\u3002<\/small><\/li><li>\u60a8\u53ef\u4ee5\u4f7f\u7528 I\/O \u5b8c\u6210\u7aef\u53e3\uff0c\u8fd9\u662f\u4e00\u4e2a\u6709<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/fileio\/i-o-completion-ports\">\u6587\u6863\u8bb0\u5f55\u7684<\/a>\u540c\u6b65\u5de5\u5177\u3002<\/li><li>\u60a8\u53ef\u4ee5\u63a5\u6536\u5185\u6838\u56de\u8c03\u6765\u83b7\u53d6\u56de\u590d &#8211; \u4f46\u4ec5\u5f53\u60a8\u7684\u8fdb\u7a0b\u4f4d\u4e8e\u5185\u6838\u73af\u5883\u4e2d\u65f6\u624d\u5141\u8bb8\u8fd9\u6837\u505a\u3002<\/li><\/ul>\n\n\n\n<p>\u7531\u4e8e\u60a8\u53ef\u4ee5\u9009\u62e9\u4e0d\u76f4\u63a5\u63a5\u6536\u6d88\u606f\uff0c\u56e0\u6b64\u4e0d\u592a\u53ef\u80fd\u6709\u591a\u4e2a\u6d88\u606f\u8fdb\u5165\u5e76\u7b49\u5f85\u88ab\u83b7\u53d6\u3002\u4e3a\u4e86\u5904\u7406\u4e0d\u540c\u72b6\u6001\u4e0b\u7684\u591a\u6761\u6d88\u606f\uff0cALPC \u4f7f\u7528\u961f\u5217\u6765\u5904\u7406\u548c\u7ba1\u7406\u4e3a\u670d\u52a1\u5668\u5806\u79ef\u7684\u5927\u91cf\u6d88\u606f\u3002\u6d88\u606f\u6709\u4e94\u4e2a\u4e0d\u540c\u7684\u961f\u5217\uff0c\u4e3a\u4e86\u533a\u5206\u5b83\u4eec\uff0c\u6211\u5c06\u76f4\u63a5\u4ece<a href=\"https:\/\/www.microsoftpressstore.com\/store\/windows-internals-part-2-9780135462409\">Windows Internals\uff0cPart 2\uff0c7th Edition\u7684\u7b2c<\/a>8\u7ae0\u4e2d\u5f15\u7528\uff08\u56e0\u4e3a\u6ca1\u6709\u66f4\u597d\u7684\u65b9\u6cd5\u6765\u7528\u8fd9\u51e0\u4e2a\u8bcd\u6765\u8868\u8fbe\u8fd9\u4e00\u70b9\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u4e3b\u961f\u5217<\/strong>\uff1a\u5df2\u53d1\u9001\u6d88\u606f\uff0c\u5ba2\u6237\u7aef\u6b63\u5728\u5904\u7406\u8be5\u6d88\u606f\u3002<\/li><li><strong>\u6302\u8d77\u961f\u5217<\/strong>\uff1a\u5df2\u53d1\u9001\u6d88\u606f\uff0c\u547c\u53eb\u8005\u6b63\u5728\u7b49\u5f85\u7b54\u590d\uff0c\u4f46\u5c1a\u672a\u53d1\u9001\u7b54\u590d\u3002<\/li><li><strong>\u5927\u578b\u6d88\u606f\u961f\u5217<\/strong>\uff1a\u5df2\u53d1\u9001\u6d88\u606f\uff0c\u4f46\u8c03\u7528\u65b9\u7684\u7f13\u51b2\u533a\u8f83\u5c0f\u4ee5\u63a5\u6536\u5b83\u3002\u8c03\u7528\u65b9\u518d\u6b21\u6709\u673a\u4f1a\u5206\u914d\u66f4\u5927\u7684\u7f13\u51b2\u533a\u5e76\u518d\u6b21\u8bf7\u6c42\u6d88\u606f\u8d1f\u8f7d\u3002<\/li><li><strong>\u5df2\u53d6\u6d88\u961f\u5217<\/strong>\uff1a\u5df2\u53d1\u9001\u5230\u7aef\u53e3\u4f46\u6b64\u540e\u5df2\u88ab\u53d6\u6d88\u7684\u6d88\u606f\u3002<\/li><li><strong>\u76f4\u63a5\u961f\u5217<\/strong>\uff1a\u9644\u52a0\u4e86\u76f4\u63a5\u4e8b\u4ef6\u7684\u60c5\u51b5\u4e0b\u53d1\u9001\u7684\u6d88\u606f\u3002<\/li><\/ul>\n\n\n\n<p>\u5728\u8fd9\u4e00\u70b9\u4e0a\uff0c\u6211\u4e0d\u6253\u7b97\u6df1\u5165\u7814\u7a76\u6d88\u606f\u540c\u6b65\u9009\u9879\u548c\u4e0d\u540c\u7684\u961f\u5217 &#8211; \u6211\u5fc5\u987b\u5728\u67d0\u4e2a\u5730\u65b9\u505a\u4e00\u4e2a\u5207\u5165 &#8211; \u4f46\u662f\u5982\u679c\u6709\u4eba\u6709\u5174\u8da3\u5728\u8fd9\u4e9b\u4ee3\u7801\u533a\u57df\u4e2d\u67e5\u627e\u9519\u8bef\uff0c\u6211\u5f3a\u70c8\u5efa\u8bae\u60a8\u67e5\u770b\u4ee4\u4eba\u60ca\u53f9\u7684<a href=\"https:\/\/www.microsoftpressstore.com\/store\/windows-internals-part-2-9780135462409\">Windows\u5185\u90e8\u7ec4\u4ef6\u7b2c8\u7ae0\uff0c\u7b2c2\u90e8\u5206\uff0c\u7b2c7\u7248<\/a>\u3002\u6211\u4ece\u8fd9\u672c\u4e66\u4e2d\u5b66\u5230\u4e86\u5f88\u591a\u4e1c\u897f\uff0c\u4e0d\u80fd\u79f0\u8d5e\u5b83\uff01<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u5173\u4e8eALPC\u7684\u6d88\u606f\u4f20\u9012\u7ec6\u8282\uff0c\u8fd8\u6709\u6700\u540e\u4e00\u4ef6\u4e8b\u5c1a\u672a\u8be6\u7ec6\u8bf4\u660e\uff0c\u5373<em>\u6d88\u606f\u5982\u4f55<\/em>\u4ece\u5ba2\u6237\u7aef\u4f20\u8f93\u5230\u670d\u52a1\u5668\u3002\u5df2\u7ecf\u63d0\u5230\u4e86\u53ef\u4ee5\u53d1\u9001\u4ec0\u4e48\u6837\u7684\u6d88\u606f\uff0c\u6d88\u606f\u7684\u7ed3\u6784\u5982\u4f55\uff0c\u5b58\u5728\u4ec0\u4e48\u673a\u5236\u6765\u540c\u6b65\u548c\u505c\u6b62\u6d88\u606f\uff0c\u4f46\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u8fd8\u6ca1\u6709\u8be6\u7ec6\u8bf4\u660e\u6d88\u606f<em>\u5982\u4f55<\/em>\u4ece\u4e00\u4e2a\u8fdb\u7a0b\u5230\u8fbe\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u3002<br>\u60a8\u6709\u4e24\u79cd\u9009\u62e9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u53cc\u7f13\u51b2\u673a\u5236<\/strong>\uff1a\u5728\u6b64\u65b9\u6cd5\u4e2d\uff0c\u5728\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9\u7684\uff08\u865a\u62df\uff09\u5185\u5b58\u7a7a\u95f4\u4e2d\u5206\u914d\u6d88\u606f\u7f13\u51b2\u533a\uff0c\u5e76\u5c06\u6d88\u606f\u4ece\u53d1\u9001\u65b9\u7684\uff08\u865a\u62df\uff09\u5185\u5b58\u590d\u5236\u5230\u5185\u6838\u7684\uff08\u865a\u62df\uff09\u5185\u5b58\u4e2d\uff0c\u7136\u540e\u4ece\u90a3\u91cc\u590d\u5236\u5230\u63a5\u6536\u65b9\u7684\uff08\u865a\u62df\uff09\u5185\u5b58\u4e2d\u3002\u5b83\u88ab\u79f0\u4e3a\u53cc\u7f13\u51b2\u533a\uff0c\u56e0\u4e3a\u5305\u542b\u6d88\u606f\u7684\u7f13\u51b2\u533a\u88ab\u5206\u914d\u548c\u590d\u5236\u4e24\u6b21\uff08sender -&gt; kernel &amp; kernel -&gt; receiver\uff09\u3002<\/li><li><strong>Section \u5bf9\u8c61\u673a\u5236<\/strong>\uff1a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u8fd8\u53ef\u4ee5\u5206\u914d\u4e00\u4e2a\u5171\u4eab\u5185\u5b58\u90e8\u5206\uff0c\u7531\u53cc\u65b9\u8bbf\u95ee\uff0c\u6620\u5c04\u8be5\u90e8\u5206\u7684\u89c6\u56fe &#8211; \u8fd9\u57fa\u672c\u4e0a\u610f\u5473\u7740\u5f15\u7528\u8be5\u5206\u914d\u90e8\u5206\u7684\u7279\u5b9a\u533a\u57df &#8211; \u5c06\u6d88\u606f\u590d\u5236\u5230\u6620\u5c04\u89c6\u56fe\u4e2d\uff0c\u6700\u540e\u5c06\u6b64\u89c6\u56fe\u4f5c\u4e3a\u6d88\u606f\u5c5e\u6027\uff08\u5728\u4e0b\u4e00\u7ae0\u4e2d\u8ba8\u8bba\uff09\u53d1\u9001\u7ed9\u63a5\u6536\u65b9\u3002\u63a5\u6536\u65b9\u53ef\u4ee5\u63d0\u53d6\u6307\u5411\u53d1\u9001\u65b9\u901a\u8fc7 view \u6d88\u606f\u5c5e\u6027\u4f7f\u7528\u7684\u540c\u4e00\u89c6\u56fe\u7684\u6307\u9488\uff0c\u5e76\u4ece\u6b64\u89c6\u56fe\u4e2d\u8bfb\u53d6\u6570\u636e\u3002<\/li><\/ul>\n\n\n\n<p>\u4f7f\u7528<em>\u201csection\u5bf9\u8c61\u673a\u5236\u201d<\/em>\u7684\u4e3b\u8981\u539f\u56e0\u662f\u53d1\u9001\u5927\u578b\u6d88\u606f\uff0c\u56e0\u4e3a\u901a\u8fc7<em>\u201c\u53cc\u7f13\u51b2\u673a\u5236\u201d<\/em>\u53d1\u9001\u7684\u6d88\u606f\u957f\u5ea6\u5177\u670965535\u5b57\u8282\u7684\u786c\u7f16\u7801\u5927\u5c0f\u9650\u5236\u3002\u5982\u679c\u5728\u6d88\u606f\u7f13\u51b2\u533a\u4e2d\u8d85\u8fc7\u6b64\u9650\u5236\uff0c\u5219\u4f1a\u5f15\u53d1\u9519\u8bef\u3002\u8be5\u51fd\u6570\u53ef\u7528\u4e8e\u83b7\u53d6\u6700\u5927\u6d88\u606f\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u8be5\u5927\u5c0f\u5728\u5c06\u6765\u7248\u672c\u7684 Windows \u4e2d\u53ef\u80fd\u4f1a\u66f4\u6539\u3002<br>\u8fd9\u79cd<em>\u201c\u53cc\u7f13\u51b2\u673a\u5236\u201d<\/em>\u5c31\u662f\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u7247\u6bb5\u4e2d\u4f7f\u7528\u7684\u3002\u56de\u5934\u770b\u4e00\u4e0b\u53d1\u9001\u7684\u6d88\u606f\u7f13\u51b2\u533a\uff0c\u5e76\u4e14\u5df2\u901a\u8fc7\u524d\u4e09\u884c\u4ee3\u7801\u9690\u5f0f\u5206\u914d\u4e86\u5df2\u63a5\u6536\u7684\u6d88\u606f\uff1a<code>AlpcMaxAllowedMessageLength()<\/code><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ALPC_MESSAGE pmSend, pmReceived;                \/\/ these are the message buffers\nRtlSecureZeroMemory(&amp;pmSend, sizeof(pmSend));\nRtlSecureZeroMemory(&amp;pmReceived, sizeof(pmReceived));<\/code><\/pre>\n\n\n\n<p>\u7136\u540e\uff0c\u6b64\u6d88\u606f\u7f13\u51b2\u533a\u5728\u8c03\u7528 \u4e2d\u4f20\u9012\u7ed9\u5185\u6838\uff0c\u5185\u6838\u5c06\u53d1\u9001\u7f13\u51b2\u533a\u590d\u5236\u5230\u53e6\u4e00\u7aef\u7684\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u3002<br>\u6211\u4eec\u8fd8\u53ef\u4ee5\u6df1\u5165\u7814\u7a76\u5185\u6838\uff0c\u627e\u51fa ALPC \u6d88\u606f\uff08\u901a\u8fc7\u6d88\u606f\u7f13\u51b2\u533a\u53d1\u9001\uff09\u7684\u5b9e\u9645\u60c5\u51b5\u3002\u53cd\u8f6c \u5c06\u6211\u4eec\u5f15\u5411\u6838\u51fd\u6570 \uff0c\u5b83\u6700\u7ec8\u8c03\u7528 &#8211; \u5bf9\u4e8e\u6211\u4eec\u7684\u4ee3\u7801\u8def\u5f84 &#8211; \u8fdb\u5165 \uff0c\u5176\u4e2d\u53d1\u751f\u4e86\u7f13\u51b2\u533a\u7684\u590d\u5236\u3002<br><em>\u9644\u6ce8\uff1a\u5982\u679c\u60a8\u5bf9\u6211\u5728\u8fd9\u91cc\u9057\u6f0f\u7684\u6240\u6709\u9006\u8f6c\u7ec6\u8282\u611f\u5174\u8da3\uff0c\u8bf7\u67e5\u770b\u6211\u7684\u540e\u7eed\u5e16\u5b50\uff08\u6211\u5c06\u5728\u4e0b\u5468\u53d1\u5e03\uff09\uff1a<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#\">&#8230;\u4e0b\u5468\u5373\u5c06\u63a8\u51fa&#8230;<\/a><\/em><code>NtAlpcSendWaitReceivePort<\/code><code>NtAlpcSendWaitReceivePort<\/code><code>AlpcpReceiveMessage<\/code><code>AlpcpReadMessageData<\/code><\/p>\n\n\n\n<p>\u5728\u8fd9\u6761\u8def\u7684\u5c3d\u5934\uff0c\u4f60\u4f1a\u53d1\u73b0\u4e00\u4e2a\u7b80\u5355\u7684<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows-hardware\/drivers\/ddi\/wdm\/nf-wdm-rtlcopymemory\">RtlCopyMemory<\/a>\u8c03\u7528 &#8211; \u5b83\u53ea\u662f<a href=\"https:\/\/docs.microsoft.com\/en-us\/cpp\/c-runtime-library\/reference\/memcpy-wmemcpy?view=msvc-170\">memcpy<\/a>\u7684\u4e00\u4e2a\u5b8f &#8211; \u5b83\u5c06\u4e00\u5806\u5b57\u8282\u4ece\u4e00\u4e2a\u5185\u5b58\u7a7a\u95f4\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u5185\u5b58\u7a7a\u95f4 &#8211; \u5b83\u5e76\u4e0d\u50cf\u4eba\u4eec\u60f3\u8c61\u7684\u90a3\u4e48\u82b1\u54e8\uff0c\u4f46\u8fd9\u5c31\u662f\u5b83\u0304\\<em>\uff08\u30c4\uff09<\/em>\/ \u0304\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/AlpcpReadMessageData.png\" alt=\"\u53cd\u7f16\u8bd1\u51fd\u6570\uff1aAlpcpReadMessageData \uff08Ghidra\uff09\"><small>AlpcpReadMessageData \u5728 Ghidra \u4e2d\u53cd\u7f16\u8bd1<\/small><\/p>\n\n\n\n<p>\u4e3a\u4e86\u5728\u64cd\u4f5c\u4e2d\u770b\u5230\u8fd9\u4e00\u70b9\uff0c\u6211\u5df2\u7ecf\u5c06\u65ad\u70b9\u653e\u5165\u4e0a\u9762\u663e\u793a\u7684ALPC\u670d\u52a1\u5668\u8fdb\u7a0b\u7684\u51fd\u6570\u4e2d\u3002\u4e00\u65e6\u6211\u7684 ALPC \u5ba2\u6237\u7aef\u8fde\u63a5\u5e76\u5411\u670d\u52a1\u5668\u53d1\u9001\u521d\u59cb\u6d88\u606f\uff0c\u5c31\u4f1a\u89e6\u53d1\u65ad\u70b9\u3002\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6d88\u606f\u662f\uff1a \u3002\u5e26\u6ce8\u91ca\u7684\u8c03\u8bd5\u8f93\u51fa\u5982\u4e0b\u6240\u793a\uff1a<code>AlpcpReadMessageData<\/code><code>Hello Server<\/code><\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_Message_View.svg\" alt=\"ALPC_Message_View.svg\"><small>\u53ef\u89c6\u5316\u7684\u53cc\u7f13\u51b2\u6d88\u606f\u4f20\u9012\u673a\u5236<\/small><\/p>\n\n\n\n<p>\u8fd9\u4e9b\u8c03\u8bd5\u5c4f\u5e55\u663e\u793a ALPC \u6d88\u606f\u901a\u8fc7\u6d88\u606f\u7f13\u51b2\u533a\u53d1\u9001\u7684\u5185\u5bb9&#8230;\u53ea\u662f\u8fdb\u7a0b\u5185\u5b58\u4e2d\u7684\u5b57\u8282\u3002<br>\u53e6\u8bf7\u6ce8\u610f\uff0c\u4e0a\u8ff0\u5c4f\u5e55\u662f\u201c\u53cc\u7f13\u51b2\u673a\u5236\u201d\u5728\u5176\u7b2c\u4e8c\u4e2a\u7f13\u51b2\u533a\u590d\u5236\u9636\u6bb5\u7684\u53ef\u89c6\u8868\u793a\u5f62\u5f0f\uff0c\u5176\u4e2d\u6d88\u606f\u4ece\u5185\u6838\u5185\u5b58\u7a7a\u95f4\u590d\u5236\u5230\u63a5\u6536\u5668\u7684\u8fdb\u7a0b\u5185\u5b58\u7a7a\u95f4\u4e2d\u3002\u5c1a\u672a\u8ddf\u8e2a\u4ece\u53d1\u9001\u65b9\u5230\u5185\u6838\u7a7a\u95f4\u7684\u590d\u5236\u64cd\u4f5c\uff0c\u56e0\u4e3a\u4ec5\u4e3a\u63a5\u6536\u65b9\u8fdb\u7a0b\u8bbe\u7f6e\u4e86\u65ad\u70b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"alpc-message-attributes\">ALPC \u6d88\u606f\u5c5e\u6027<\/h3>\n\n\n\n<p>\u597d\u5427\uff0c\u5728\u5c06\u5b83\u4eec\u653e\u5728\u4e00\u8d77\u4e4b\u524d\uff0c\u8fd8\u9700\u8981\u8be6\u7ec6\u8bf4\u660e\u6700\u540e\u4e00\u90e8\u5206\uff0c\u5373ALPC\u6d88\u606f\u5c5e\u6027\u3002\u6211\u4e4b\u524d\u5df2\u7ecf\u591a\u6b21\u63d0\u5230\u6d88\u606f\u5c5e\u6027\uff0c\u6240\u4ee5\u8fd9\u5c31\u662f\u5b83\u7684\u542b\u4e49\u3002<br>\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u65f6\uff0cvia \u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u90fd\u53ef\u4ee5\u6307\u5b9a\u5b83\u4eec\u8981\u53d1\u9001\u548c\/\u6216\u63a5\u6536\u7684\u4e00\u7ec4\u5c5e\u6027\u3002\u8981\u53d1\u9001\u7684\u8fd9\u4e9b\u5c5e\u6027\u96c6\u548c\u8981\u63a5\u6536\u7684\u5c5e\u6027\u96c6\u5728\u4e24\u4e2a\u989d\u5916\u7684\u53c2\u6570\u4e2d\u4f20\u9012\u5230\uff0c\u5982\u4e0b\u6240\u793a\uff1a<code>NtAlpcSendWaitReceivePort<\/code><code>NtAlpcSendWaitReceivePort<\/code><\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/Code_NtAlpcSendWaitReceivePort.png\" alt=\"\u529f\u80fd\uff1aNtAlpcSendWaitReceivePort\"><small>NtAlpcSendWaitReceivePort \u51fd\u6570\u7b7e\u540d<\/small><\/p>\n\n\n\n<p>\u8fd9\u91cc\u7684\u60f3\u6cd5\u662f\uff0c\u4f5c\u4e3a\u53d1\u9001\u8005\uff0c\u60a8\u53ef\u4ee5\u5c06\u5176\u4ed6\u4fe1\u606f\u4f20\u9012\u7ed9\u63a5\u6536\u8005\uff0c\u800c\u53e6\u4e00\u7aef\u7684\u63a5\u6536\u8005\u53ef\u4ee5\u6307\u5b9a\u4ed6\u60f3\u8981\u83b7\u5f97\u7684\u5c5e\u6027\u96c6\uff0c\u8fd9\u610f\u5473\u7740\u4e0d\u4e00\u5b9a\u6240\u6709\u53d1\u9001\u7684\u989d\u5916\u4fe1\u606f\u4e5f\u66b4\u9732\u7ed9\u63a5\u6536\u8005\u3002<br>\u53ef\u4ee5\u53d1\u9001\u548c\/\u6216\u63a5\u6536\u4ee5\u4e0b\u6d88\u606f\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u5b89\u5168\u5c5e\u6027<\/strong>\uff1a\u5b89\u5168\u5c5e\u6027\u4fdd\u5b58\u5b89\u5168\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4f8b\u5982\uff0c\u8fd9\u4e9b\u4fe1\u606f\u53ef\u7528\u4e8e\u6a21\u62df\u90ae\u4ef6\u7684\u53d1\u4ef6\u4eba\uff08\u8be6\u89c1\u201c<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#impersonation-and-non-impersonation\">\u6a21\u62df<\/a>\u201d\u90e8\u5206\uff09\u3002\u6b64\u4fe1\u606f\u7531\u5185\u6838\u63a7\u5236\u548c\u9a8c\u8bc1\u3002\u6b64\u5c5e\u6027\u7684\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>typedef struct _ALPC_SECURITY_ATTR {\n\tULONG Flags;\n\tPSECURITY_QUALITY_OF_SERVICE pQOS;\n\tHANDLE ContextHandle;\n} ALPC_SECURITY_ATTR, * PALPC_SECURITY_ATTR;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u89c6\u56fe\u5c5e\u6027<\/strong>\uff1a\u5982<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#alpc-messaging-details\">\u201c\u6d88\u606f\u4f20\u9012\u8be6\u7ec6\u4fe1\u606f\u201d<\/a>\u4e00\u7ae0\u672b\u5c3e\u6240\u8ff0\uff0c\u6b64\u5c5e\u6027\u53ef\u7528\u4e8e\u4f20\u9012\u6307\u5411\u5171\u4eab\u5185\u5b58\u90e8\u5206\u7684\u6307\u9488\uff0c\u63a5\u6536\u65b9\u53ef\u4ee5\u4f7f\u7528\u8be5\u6307\u9488\u4ece\u6b64\u5185\u5b58\u90e8\u5206\u8bfb\u53d6\u6570\u636e\u3002\u6b64\u5c5e\u6027\u7684\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>typedef struct _ALPC_DATA_VIEW_ATTR {\n\tULONG Flags;\n\tHANDLE SectionHandle;\n\tPVOID ViewBase;\n\tSIZE_T ViewSize;\n} ALPC_DATA_VIEW_ATTR, * PALPC_DATA_VIEW_ATTR;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u4e0a\u4e0b\u6587\u5c5e\u6027<\/strong>\uff1a\u4e0a\u4e0b\u6587\u5c5e\u6027\u5b58\u50a8\u6307\u5411\u5df2\u5206\u914d\u7ed9\u7279\u5b9a\u5ba2\u6237\u7aef\uff08\u901a\u4fe1\u7aef\u53e3\uff09\u6216\u7279\u5b9a\u6d88\u606f\u7684\u7528\u6237\u6307\u5b9a\u7684\u4e0a\u4e0b\u6587\u7ed3\u6784\u7684\u6307\u9488\u3002\u4e0a\u4e0b\u6587\u7ed3\u6784\u53ef\u4ee5\u662f\u4efb\u610f\u7ed3\u6784\uff0c\u4f8b\u5982\u552f\u4e00\u7f16\u53f7\uff0c\u7528\u4e8e\u6807\u8bc6\u5ba2\u6237\u7aef\u3002\u670d\u52a1\u5668\u53ef\u4ee5\u63d0\u53d6\u548c\u5f15\u7528\u7aef\u53e3\u7ed3\u6784\uff0c\u4ee5\u552f\u4e00\u6807\u8bc6\u53d1\u9001\u6d88\u606f\u7684\u5ba2\u6237\u7aef\u3002\u6211\u4f7f\u7528\u7684\u7aef\u53e3\u7ed3\u6784\u793a\u4f8b\u53ef\u4ee5<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L424-L428\">\u5728\u8fd9\u91cc<\/a>\u627e\u5230\u3002\u5185\u6838\u5c06\u8bbe\u7f6e\u5e8f\u5217\u53f7\u3001\u6d88\u606f ID \u548c\u56de\u8c03 ID\uff0c\u4ee5\u542f\u7528\u7ed3\u6784\u5316\u6d88\u606f\u5904\u7406\uff08\u7c7b\u4f3c\u4e8e TCP\uff09\u3002\u6b64\u6d88\u606f\u5c5e\u6027\u59cb\u7ec8\u53ef\u4ee5\u7531\u6d88\u606f\u7684\u63a5\u6536\u65b9\u63d0\u53d6\uff0c\u53d1\u9001\u65b9\u4e0d\u5fc5\u6307\u5b9a\u6b64\u5c5e\u6027\uff0c\u4e5f\u65e0\u6cd5\u963b\u6b62\u63a5\u6536\u65b9\u8bbf\u95ee\u6b64\u5c5e\u6027\u3002\u6b64\u5c5e\u6027\u7684\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>typedef struct _ALPC_CONTEXT_ATTR {\n\tPVOID PortContext;\n\tPVOID MessageContext;\n\tULONG Sequence;\n\tULONG MessageId;\n\tULONG CallbackId;\n} ALPC_CONTEXT_ATTR, * PALPC_CONTEXT_ATTR;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u53e5\u67c4\u5c5e\u6027<\/strong>\uff1a\u53e5\u67c4\u5c5e\u6027\u53ef\u7528\u4e8e\u5c06\u53e5\u67c4\u4f20\u9012\u7ed9\u7279\u5b9a\u5bf9\u8c61\uff0c\u4f8b\u5982\u6587\u4ef6\u3002\u63a5\u6536\u65b9\u53ef\u4ee5\u4f7f\u7528\u6b64\u53e5\u67c4\u6765\u5f15\u7528\u5bf9\u8c61\uff0c\u4f8b\u5982\u5728\u8c03\u7528&nbsp;<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/api\/fileapi\/nf-fileapi-readfile\">ReadFile \u65f6<\/a>\u3002\u5185\u6838\u5c06\u9a8c\u8bc1\u4f20\u9012\u7684\u53e5\u67c4\u662f\u5426\u6709\u6548\uff0c\u5426\u5219\u5c06\u5f15\u53d1\u548c\u9519\u8bef\u3002\u6b64\u5c5e\u6027\u7684\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>typedef struct _ALPC_MESSAGE_HANDLE_INFORMATION {\n\tULONG Index;\n\tULONG Flags;\n\tULONG Handle;\n\tULONG ObjectType;\n\tACCESS_MASK GrantedAccess;\n} ALPC_MESSAGE_HANDLE_INFORMATION, * PALPC_MESSAGE_HANDLE_INFORMATION;\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u4ee4\u724c\u5c5e\u6027<\/strong>\uff1a\u4ee4\u724c\u5c5e\u6027\u53ef\u7528\u4e8e\u4f20\u9012\u6709\u5173\u53d1\u9001\u65b9\u4ee4\u724c\u7684\u6709\u9650\u4fe1\u606f\u3002\u6b64\u5c5e\u6027\u7684\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>typedef struct _ALPC_TOKEN_ATTR\n{\n\tULONGLONG TokenId;\n\tULONGLONG AuthenticationId;\n\tULONGLONG ModifiedId;\n} ALPC_TOKEN_ATTR, * PALPC_TOKEN_ATTR;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u76f4\u63a5\u5c5e\u6027<\/strong>\uff1a\u76f4\u63a5\u5c5e\u6027\u53ef\u7528\u4e8e\u5c06<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/api\/synchapi\/nf-synchapi-createeventa\">\u521b\u5efa\u7684\u4e8b\u4ef6<\/a>\u4e0e\u6d88\u606f\u76f8\u5173\u8054\u3002\u63a5\u6536\u65b9\u53ef\u4ee5\u68c0\u7d22\u53d1\u9001\u65b9\u521b\u5efa\u7684\u4e8b\u4ef6\uff0c\u5e76\u5411\u5176\u53d1\u51fa\u4fe1\u53f7\uff0c\u8ba9\u53d1\u9001\u65b9\u77e5\u9053\u5df2\u6536\u5230\u53d1\u9001\u6d88\u606f\uff08\u5bf9\u4e8e\u6570\u636e\u62a5\u8bf7\u6c42\u5c24\u5176\u6709\u7528\uff09\u3002\u6b64\u5c5e\u6027\u7684\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>typedef struct _ALPC_DIRECT_ATTR\n{\n\tHANDLE Event;\n} ALPC_DIRECT_ATTR, * PALPC_DIRECT_ATTR;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u4ee3\u8868\u5de5\u4f5c\u5c5e\u6027<\/strong>\uff1a\u6b64\u5c5e\u6027\u53ef\u7528\u4e8e\u53d1\u9001\u4e0e\u53d1\u4ef6\u4eba\u5173\u8054\u7684<em>\u5de5\u4f5c\u7968\u8bc1<\/em>\u3002\u6211\u8fd8\u6ca1\u6709\u73a9\u8fc7\u8fd9\u4e2a\uff0c\u6240\u4ee5\u6211\u4e0d\u80fd\u518d\u8be6\u7ec6\u4e86\u3002\u6b64\u5c5e\u6027\u7684\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>typedef struct _ALPC_WORK_ON_BEHALF_ATTR\n{\n\tULONGLONG Ticket;\n} ALPC_WORK_ON_BEHALF_ATTR, * PALPC_WORK_ON_BEHALF_ATTR;\n<\/code><\/pre>\n\n\n\n<p><br>\u6d88\u606f\u5c5e\u6027\uff0c\u8fd9\u4e9b\u5982\u4f55\u521d\u59cb\u5316\u548c\u53d1\u9001\u662f\u7f16\u5199\u793a\u4f8bALPC\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u65f6\u56f0\u6270\u6211\u7684\u53e6\u4e00\u4ef6\u4e8b\u3002\u56e0\u6b64\uff0c\u60a8\u4e0d\u4f1a\u5d29\u6e83\uff0c\u56e0\u4e3a\u6211\u5728\u8fd9\u91cc\u9047\u5230\u7684\u95ee\u9898\u662f\u6211\u4e86\u89e3ALPC\u6d88\u606f\u5c5e\u6027\u7684\u79d8\u5bc6\uff1a<\/p>\n\n\n\n<p>\u8981\u5f00\u59cb\u4f7f\u7528\uff0c\u5fc5\u987b\u77e5\u9053ALPC\u6d88\u606f\u5c5e\u6027\u7684\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>typedef struct _ALPC_MESSAGE_ATTRIBUTES\n{\n\tULONG AllocatedAttributes;\n\tULONG ValidAttributes;\n} ALPC_MESSAGE_ATTRIBUTES, * PALPC_MESSAGE_ATTRIBUTES;\n<\/code><\/pre>\n\n\n\n<p>\u770b\u7740\u8fd9\u4e2a\uff0c\u6211\u6700\u521d\u8ba4\u4e3a\u4f60\u8c03\u7528\u51fd\u6570<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L292-L298\">AlpcInitializeMessageAttribute<\/a>\uff0c\u7ed9\u5b83\u4e00\u4e2a\u5bf9\u4e0a\u8ff0\u7ed3\u6784\u548c\u8981\u53d1\u9001\u7684\u6d88\u606f\u5c5e\u6027\u7684\u6807\u5fd7\u7684\u5f15\u7528\uff08\u6240\u6709\u5c5e\u6027\u90fd\u7531\u4e00\u4e2a\u6807\u5fd7\u503c\u5f15\u7528\uff0c<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L12-L23\">\u8fd9\u662f\u6211\u4ee3\u7801\u4e2d\u7684\u5217\u8868<\/a>\uff09\uff0c\u7136\u540e\u5185\u6838\u4e3a\u4f60\u8bbe\u7f6e\u5b83\u3002\u7136\u540e\uff0c\u5c06\u5f15\u7528\u7684\u7ed3\u6784\u653e\u5165&nbsp;<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L322-L332\">NtAlpcSendWaitReceivePort<\/a>&nbsp;\u4e2d\uff0c\u5bf9\u8981\u53d1\u9001\u7684\u6bcf\u6761\u6d88\u606f\u91cd\u590d\u8be5\u8fc7\u7a0b\u5e76\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u3002<br><strong>\u4e8b\u5b9e\u5e76\u975e\u5982\u6b64\uff0c<\/strong>\u4f3c\u4e4e\u5728\u591a\u4e2a\u5c42\u9762\u4e0a\u90fd\u662f\u9519\u8bef\u7684\u3002\u76f4\u5230\u6211\u627e\u5230\u4e862020\u5e74\u7684<a href=\"https:\/\/twitter.com\/hakril\/status\/1270835298944061441?s=20&amp;t=CAlLQn_OV93l-glw-6JrXg\">\u8fd9\u7bc7Twitter\u5e16\u5b50<\/a>\uff0c\u5e76\u518d\u6b21\u91cd\u770b\u4e86<a href=\"https:\/\/www.youtube.com\/watch?v=UNpL5csYC1E\">Alex\u7684SyScan&#8217;14\u6f14\u8bb2<\/a>\uff08\u6211\u5728\u7814\u7a76\u671f\u95f4\u81f3\u5c11\u91cd\u770b\u4e8620\u6b21\uff09\uff0c\u6211\u624d\u627e\u5230\u4e86\u6211\u76ee\u524d\u8ba4\u4e3a\u662f\u6b63\u786e\u7684\u8f68\u9053\u3002\u8ba9\u6211\u5148\u53d1\u73b0\u6211\u6700\u521d\u4fe1\u5ff5\u4e2d\u7684\u9519\u8bef\uff0c\u7136\u540e\u518d\u6346\u7ed1\u6b63\u786e\u7684\u884c\u52a8\u65b9\u6848\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L292-L298\">AlpcInitializeMessageAttribute<\/a>\u4e0d\u4f1a\u4e3a\u4f60\u505a\u4efb\u4f55\u4e8b\u60c5\uff0c\u5b83\u5b9e\u9645\u4e0a\u53ea\u6e05\u9664\u6807\u5fd7\u5e76\u6839\u636e\u4f60\u6307\u5b9a\u7684\u6d88\u606f\u5c5e\u6027\u8bbe\u7f6e\u6807\u5fd7\uff08\u6240\u4ee5\u6839\u672c\u6ca1\u6709\u5185\u6838\u9b54\u672f\u586b\u5145\u6570\u636e\uff09\u3002<br><em>\u6211\u4e0d\u5f97\u4e0d\u627f\u8ba4\uff0c\u6211\u5f88\u65e9\u5c31\u4ece\u5bf9\u51fd\u6570\u8fdb\u884c\u9006\u5411\u5de5\u7a0b\u4e2d\u53d1\u73b0\u4e86\u8fd9\u4e00\u70b9\uff0c\u4f46\u662f\u6709\u4e00\u6bb5\u65f6\u95f4\uff0c\u6211\u4ecd\u7136\u5e0c\u671b\u5b83\u80fd\u505a\u5f97\u66f4\u591a\uff0c\u56e0\u4e3a\u51fd\u6570\u7684\u540d\u79f0\u975e\u5e38\u6709\u524d\u9014\u3002<\/em><code>ValidAttributes<\/code><code>AllocatedAttributes<\/code><\/li><li>\u8981\u5b9e\u9645\u6b63\u786e\u8bbe\u7f6e\u6d88\u606f\u5c5e\u6027\uff0c\u60a8\u5fc5\u987b\u5206\u914d\u76f8\u5e94\u7684\u6d88\u606f\u7ed3\u6784\uff0c\u5e76\u5c06\u5176\u653e\u5728<em>ALPC_MESSAGE_ATTRIBUTES<\/em>\u7ed3\u6784\u4e4b\u540e\u7684\u7f13\u51b2\u533a\u4e2d\u3002\u56e0\u6b64\uff0c\u8fd9\u7c7b\u4f3c\u4e8e<em>ALPC_MESSAGE<\/em>\uff0c\u5176\u4e2d\u5b9e\u9645\u6d88\u606f\u9700\u8981\u653e\u5728<em>PORT_MESSAGE<\/em>\u7ed3\u6784\u4e4b\u540e\u7684\u7f13\u51b2\u533a\u4e2d\u3002<\/li><li>\u5b83\u4e0d\u662f\u4e3a<em>ALPC_MESSAGE_ATTRIBUTES<\/em>\u7ed3\u6784\u8bbe\u7f6e&nbsp;<em>ValidAttributes<\/em>&nbsp;\u5c5e\u6027\u7684\u5185\u6838\uff0c\u60a8\u5fc5\u987b\u81ea\u5df1\u8bbe\u7f6e\u3002\u6211\u901a\u8fc7\u73a9\u5f04\u7ed3\u6784\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6709\u4e00\u6bb5\u65f6\u95f4\u6211\u8ba4\u4e3a\u8fd9\u53ea\u662f\u4e00\u4e2a\u5947\u602a\u7684\u89e3\u51b3\u65b9\u6cd5\uff0c\u56e0\u4e3a\u4e3a\u4ec0\u4e48<em>\u6211\u9700\u8981<\/em>\u8bbe\u7f6e\u8fd9\u4e2a\u5b57\u6bb5\uff1f\u5c31\u6211\u800c\u8a00\uff0c\u6211\u7684\u5c5e\u6027\u59cb\u7ec8\u6709\u6548\uff0c\u68c0\u67e5\u5b83\u4eec\u662f\u5426\u6709\u6548\u4e0d\u5e94\u8be5\u662f\u5185\u6838\u7684\u4efb\u52a1\u3002<br>\u6211\u53c8\u770b\u4e86\u4e00\u8f6e<a href=\"https:\/\/www.youtube.com\/watch?v=UNpL5csYC1E\">Alex\u7684SyScan&#8217;14\u6f14\u8bb2<\/a>\u6765\u7406\u89e3\u8fd9\u4e00\u70b9\u3002<code>ValidAttributes<\/code><\/li><li>\u60a8\u4e0d\u9700\u8981\u4e3a\u6bcf\u6b21\u8c03\u7528&nbsp;<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L322-L332\">NtAlpcSendWaitReceivePort<\/a>&nbsp;\u8bbe\u7f6e\u6d88\u606f\u5c5e\u6027\uff0c\u53ea\u9700\u8bbe\u7f6e\u4e00\u6b21\u6240\u6709\u6d88\u606f\u5c5e\u6027\uff0c\u5e76\u5728\u8c03\u7528&nbsp;<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L322-L332\">NtAlpcSendWaitReceivePort<\/a>&nbsp;\u4e4b\u524d\u4f7f\u7528&nbsp;<em>ValidAttributes<\/em>&nbsp;\u6807\u5fd7\u6765\u6307\u5b9a\u60a8\u73b0\u5728\u53d1\u9001\u7684\u6240\u6709\u8bbe\u7f6e\u5c5e\u6027\u4e2d\u7684\u54ea\u4e00\u4e2a\u5bf9\u60a8\u73b0\u5728\u53d1\u9001\u7684\u6d88\u606f\u6709\u6548\u3002<\/li><\/ul>\n\n\n\n<p>\u4e3a\u4e86\u5c06\u5176\u6346\u7ed1\u5230\u6709\u7528\u7684\u77e5\u8bc6\u4e2d\uff0c<strong>\u4ee5\u4e0b\u662f\u53d1\u9001\u6d88\u606f\u5c5e\u6027\u7684\u5de5\u4f5c\u539f\u7406<\/strong>\uff08\u5728\u6211\u76ee\u524d\u7684\u7406\u89e3\u4e2d\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u9996\u5148\uff0c\u60a8\u6709\u4e24\u4e2a\u7f13\u51b2\u533a\uff1a\u4e00\u4e2a\u7528\u4e8e\u8981\u63a5\u6536\u7684\u6d88\u606f\u5c5e\u6027\u7684\u7f13\u51b2\u533a\uff08\u5728\u6211\u7684\u4ee3\u7801\u4e2d\u540d\u4e3a\uff1a\uff09\u548c\u4e00\u4e2a\u7528\u4e8e\u8981\u53d1\u9001\u7684\u6d88\u606f\u5c5e\u6027\u7684\u7f13\u51b2\u533a\uff08\u5728\u6211\u7684\u4ee3\u7801\u4e2d\u540d\u4e3a\uff1a\uff09\u3002<code>MsgAttrReceived<\/code><code>MsgAttrSend<\/code><\/li><li>\u5bf9\u4e8e\u7f13\u51b2\u533a\uff0c\u60a8\u53ea\u9700\u8981\u5206\u914d\u4e00\u4e2a\u8db3\u591f\u5927\u7684\u7f13\u51b2\u533a\u6765\u5bb9\u7eb3<em>ALPC_MESSAGE_ATTRIBUTES<\/em>\u7ed3\u6784\u4ee5\u53ca\u8981\u63a5\u6536\u7684\u6240\u6709\u6d88\u606f\u5c5e\u6027\u3002\u5206\u914d\u6b64\u7f13\u51b2\u533a\u540e\uff0c\u5c06\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u76f8\u5e94\u7684\u5c5e\u6027\u6807\u5fd7\u503c\u3002\u5bf9\u4e8e\u60a8\u6536\u5230\u7684\u6bcf\u5c01\u90ae\u4ef6\uff0c\u53ef\u4ee5\u66f4\u6539\u6b64\u503c\u3002<br>\u5bf9\u4e8e\u6211\u7684\u793a\u4f8b\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\uff0c\u6211\u53ea\u60f3\u59cb\u7ec8\u63a5\u6536\u5185\u6838\u53ef\u4ee5\u63d0\u4f9b\u7ed9\u6211\u7684\u6240\u6709\u5c5e\u6027\uff0c\u56e0\u6b64\u6211\u5728\u4ee3\u7801\u5f00\u5934\u8bbe\u7f6e\u4e00\u6b21\u63a5\u6536\u5c5e\u6027\u7684\u7f13\u51b2\u533a\uff0c\u5982\u4e0b\u6240\u793a\uff1a<code>MsgAttrReceived<\/code><code>AllocatedAttributes<\/code><code>AllocatedAttributes<\/code><\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>pMsgAttrReceived = alloc_message_attribute(ALPC_MESSAGE_ATTRIBUTE_ALL);\nPALPC_MESSAGE_ATTRIBUTES alloc_message_attribute(ULONG ulAttributeFlags) {\n\tNTSTATUS lSuccess;\n\tPALPC_MESSAGE_ATTRIBUTES pAttributeBuffer;\n\tLPVOID lpBuffer;\n\tSIZE_T lpReqBufSize;\n\tSIZE_T ulAllocBufSize;\n\n\tulAllocBufSize = AlpcGetHeaderSize(ulAttributeFlags); \/\/ required size for specified attribues\n\tlpBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, ulAllocBufSize);\n\tif (GetLastError() != 0) {\n\t\twprintf(L\"&#91;-] Failed to allocate memory for ALPC Message attributes.\\n\");\n\t\treturn NULL;\n\t}\n\tpAttributeBuffer = (PALPC_MESSAGE_ATTRIBUTES)lpBuffer;\n\t\/\/ using this function to properly set the 'AllocatedAttributes' attribute\n\tlSuccess = AlpcInitializeMessageAttribute(\n\t\tulAttributeFlags,\t\/\/ attributes\n\t\tpAttributeBuffer,\t\/\/ pointer to attributes structure\n\t\tulAllocBufSize,\t\/\/ buffer size\n\t\t&amp;lpReqBufSize\n\t);\n\tif (!NT_SUCCESS(lSuccess)) {\n\t\treturn NULL;\n\t}\n\telse {\n\t\t\/\/wprintf(L\"Success.\\n\");\n\t\treturn pAttributeBuffer;\n\t}\n}\n<\/code><\/pre>\n\n\n\n<p>[<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-ALPC-Basic-Server\/CPP-ALPC-Basic-Server.cpp#L54\">\u6cd5\u5178<\/a>]<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5bf9\u4e8e\u7f13\u51b2\u533a\uff0c\u8fd8\u6d89\u53ca\u4e24\u4e2a\u6b65\u9aa4\u3002\u60a8\u5fc5\u987b\u5206\u914d\u4e00\u4e2a\u8db3\u591f\u5927\u7684\u7f13\u51b2\u533a\u6765\u5bb9\u7eb3<em>ALPC_MESSAGE_ATTRIBUTES<\/em>\u7ed3\u6784\u4ee5\u53ca\u8981\u53d1\u9001\u7684\u6240\u6709\u6d88\u606f\u5c5e\u6027\uff08\u5c31\u50cf\u4ee5\u524d\u4e00\u6837\uff09\u3002\u60a8\u5fc5\u987b\u8bbe\u7f6e\u5c5e\u6027\uff08\u5c31\u50cf\u4ee5\u524d\u4e00\u6837\uff09\uff0c\u4f46\u968f\u540e\u8fd8\u5fc5\u987b\u521d\u59cb\u5316\u8981\u53d1\u9001\u7684\u6d88\u606f\u5c5e\u6027\uff08\u610f\u5473\u7740\u521b\u5efa\u5fc5\u8981\u7684\u7ed3\u6784\u5e76\u7528\u6709\u6548\u503c\u586b\u5145\u8fd9\u4e9b\u5c5e\u6027\uff09\uff0c\u7136\u540e\u6700\u7ec8\u8bbe\u7f6e\u5c5e\u6027\u3002\u5728\u6211\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u60f3\u5728\u4e0d\u540c\u7684\u6d88\u606f\u4e2d\u53d1\u9001\u4e0d\u540c\u7684\u5c5e\u6027\uff0c\u6240\u4ee5\u8fd9\u662f\u6211\u662f\u5982\u4f55\u505a\u5230\u7684\uff1a<code>MsgAttrSend<\/code><code>AllocatedAttributes<\/code><code>ValidAttributes<\/code><\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Allocate buffer and initialize the specified attributes\npMsgAttrSend = setup_sample_message_attributes(hConnectionPort, hServerSection, ALPC_MESSAGE_SECURITY_ATTRIBUTE | ALPC_MESSAGE_VIEW_ATTRIBUTE | ALPC_MESSAGE_HANDLE_ATTRIBUTE);\n\/\/ ...\n\/\/ Before sending a message mark certain attributes as valid, in this case ALPC_MESSAGE_SECURITY_ATTRIBUTE \npMsgAttrSend->ValidAttributes |= ALPC_MESSAGE_SECURITY_ATTRIBUTE\nlSuccess = NtAlpcSendWaitReceivePort(hConnectionPort, ...)\n\/\/...\n<\/code><\/pre>\n\n\n\n<p>[<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-ALPC-Basic-Server\/CPP-ALPC-Basic-Server.cpp#L106\">\u6cd5\u5178<\/a>]<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u53d1\u9001\u5c5e\u6027\u7f13\u51b2\u533a\u8fd8\u6709\u4e00\u4e2a\u989d\u5916\u7684\u6355\u83b7\uff1a<strong>\u60a8\u4e0d\u5fc5\u5206\u914d\u6216\u521d\u59cb\u5316\u4e0a\u4e0b\u6587\u5c5e\u6027\u6216\u4ee4\u724c\u5c5e\u6027<\/strong>\u3002\u5185\u6838\u5c06\u59cb\u7ec8\u51c6\u5907\u8fd9\u4e9b\u5c5e\u6027\uff0c\u5e76\u4e14\u63a5\u6536\u65b9\u59cb\u7ec8\u53ef\u4ee5\u8bf7\u6c42\u5b83\u4eec\u3002<\/li><li>\u5982\u679c\u8981\u53d1\u9001\u591a\u4e2a\u6d88\u606f\u5c5e\u6027\uff0c\u60a8\u5c06\u6709\u4e00\u4e2a\u4ee5<em>ALPC_MESSAGE_ATTRIBUTES<\/em>\u5f00\u5934\u7684\u7f13\u51b2\u533a\uff0c\u540e\u8ddf\u6240\u9700\u7684\u6240\u6709\u6d88\u606f\u5c5e\u6027\u7684\u521d\u59cb\u5316\u7ed3\u6784\u3002<br>\u90a3\u4e48\u5185\u6838\u5982\u4f55\u77e5\u9053\u54ea\u4e2a\u5c5e\u6027\u7ed3\u6784\u662f\u54ea\u4e2a\u5462\uff1f\u7b54\u6848\uff1a\u60a8\u5fc5\u987b\u5c06\u6d88\u606f\u5c5e\u6027\u6309\u9884\u5b9a\u4e49\u7684\u987a\u5e8f\u653e\u7f6e\uff0c\u8fd9\u53ef\u4ee5\u4ece\u5176\u6d88\u606f\u5c5e\u6027\u6807\u5fd7\u7684\u503c\uff08\u4ece<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L38\">\u6700\u9ad8<\/a>\u5230<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L44\">\u6700\u4f4e<\/a>\uff09\u4e2d\u731c\u6d4b\uff0c\u4e5f\u53ef\u4ee5\u5728<em>_KALPC_MESSAGE_ATTRIBUTES<\/em>\u5185\u6838\u7ed3\u6784\u4e2d\u627e\u5230\uff1a<img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_message_attribute_structure.png\" alt=\"KALPC_MESSAGE_ATTRIBUTES\u7ed3\u6784\"><small>_KALPC_MESSAGE_ATTRIBUTES\u5185\u6838\u7ed3\u6784<\/small><\/li><li>\u60a8\u53ef\u80fd\u5df2\u7ecf\u6ce8\u610f\u5230\uff0c\u5728\u6b64\u7ed3\u6784\u4e2d\u4e0d\u8ddf\u8e2a<strong>\u4e0a\u4e0b\u6587<\/strong>\u548c<strong>\u4ee4\u724c\u5c5e\u6027<\/strong>\uff0c\u8fd9\u662f\u56e0\u4e3a\u5185\u6838\u5c06\u59cb\u7ec8\u4e3a\u4efb\u4f55\u6d88\u606f\u63d0\u4f9b\u8fd9\u4e9b\u5c5e\u6027\uff0c\u56e0\u6b64\u4f1a\u72ec\u7acb\u8ddf\u8e2a\u5b83\u4eec\u7684\u6d88\u606f\u3002<\/li><li>\u53d1\u9001\u540e\uff0c\u5185\u6838\u5c06\u9a8c\u8bc1\u6240\u6709\u6d88\u606f\u5c5e\u6027\uff0c\u586b\u5199\u503c\uff08\u4f8b\u5982\u5e8f\u5217\u53f7\uff09\u6216\u6e05\u9664\u65e0\u6548\u7684\u5c5e\u6027\uff0c\u7136\u540e\u518d\u5c06\u5176\u63d0\u4f9b\u7ed9\u63a5\u6536\u65b9\u3002<\/li><li>\u6700\u540e\uff0c\u5185\u6838\u4f1a\u5c06\u63a5\u6536\u65b9\u6307\u5b9a\u7684\u5c5e\u6027\u590d\u5236\u5230\u63a5\u6536\u65b9\u7684\u7f13\u51b2\u533a\u4e2d\uff0c\u63a5\u6536\u65b9\u53ef\u4ee5\u4ece\u4e2d\u83b7\u53d6\u8fd9\u4e9b\u5c5e\u6027\u3002<code>AllocatedAttributes<\/code><code>MsgAttrReceived<\/code><\/li><\/ul>\n\n\n\n<p>\u5e0c\u671b\u4e0a\u8ff0\u6240\u6709\u5185\u5bb9\u90fd\u53ef\u4ee5\u66f4\u6e05\u6670\u4e00\u4e9b\uff0c\u5982\u679c\u4f60\u4ed4\u7ec6\u9605\u8bfb<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/tree\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\">\u6211\u7684\u4ee3\u7801<\/a>\u5e76\u5c06\u8fd9\u4e9b\u8bed\u53e5\u4e0e\u6211\u4f7f\u7528\u6d88\u606f\u5c5e\u6027\u7684\u4f4d\u7f6e\u548c\u65b9\u5f0f\u8fdb\u884c\u5339\u914d\u3002<\/p>\n\n\n\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u5df2\u7ecf\u4ecb\u7ecd\u4e86 ALPC \u7684\u5404\u79cd\u7ec4\u4ef6\u6765\u63cf\u8ff0 ALPC \u6d88\u606f\u4f20\u9012\u7cfb\u7edf\u7684\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca ALPC \u6d88\u606f\u7684\u5916\u89c2\u3002\u6700\u540e\uff0c\u8ba9\u6211\u901a\u8fc7\u900f\u89c6\u5176\u4e2d\u7684\u4e00\u4e9b\u7ec4\u4ef6\u6765\u7ed3\u675f\u672c\u7ae0\u3002ALPC\u6d88\u606f\u7684\u4e0a\u8ff0\u63cf\u8ff0\u548c\u7ed3\u6784\u63cf\u8ff0\u4e86ALPC\u6d88\u606f\u5bf9\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9\u7684\u5916\u89c2\uff0c\u4f46\u5e94\u8be5\u610f\u8bc6\u5230\u5185\u6838\u6b63\u5728\u5411\u6b64\u6d88\u606f\u6dfb\u52a0\u66f4\u591a\u4fe1\u606f &#8211; \u5b9e\u9645\u4e0a\u5b83\u91c7\u7528\u63d0\u4f9b\u7684\u90e8\u5206\u5e76\u5c06\u5b83\u4eec\u653e\u5728\u66f4\u5927\u7684\u5185\u6838\u6d88\u606f\u7ed3\u6784\u4e2d &#8211; \u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_KALPC_MESSAGE.png\" alt=\"KALPC_MESSAGE\u7ed3\u6784\"><small>_KALPC_MESSAGE\u5185\u6838\u7ed3\u6784<\/small><\/p>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u91cc\u7684\u4fe1\u606f\u662f\uff1a\u6211\u4eec\u5df2\u7ecf\u5f88\u597d\u5730\u7406\u89e3\u4e86\uff0c\u4f46\u662f\u5728<strong>\u5f15\u64ce\u76d6\u4e0b\u8fd8\u6709\u5f88\u591a<\/strong>\u6211\u4eec\u6ca1\u6709\u89e6\u53ca\u7684\u4e1c\u897f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"putting-the-pieces-together-a-sample-application\">\u5c06\u5404\u4e2a\u90e8\u5206\u7ec4\u5408\u5728\u4e00\u8d77\uff1a\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f<\/h2>\n\n\n\n<p>\u6211\u7f16\u5199\u4e86\u4e00\u4e2a\u793a\u4f8b ALPC \u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u4f5c\u4e3a\u6e38\u4e50\u573a\uff0c\u4ee5\u4e86\u89e3\u4e0d\u540c\u7684 ALPC \u7ec4\u4ef6\u3002\u968f\u610f\u6d4f\u89c8\u548c\u66f4\u6539\u4ee3\u7801\uff0c\u4ee5\u83b7\u5f97\u60a8\u5bf9ALPC\u7684\u611f\u89c9\u3002\u5173\u4e8e\u6b64\u4ee3\u7801\u7684\u4e00\u4e9b\u516c\u5e73\u8b66\u544a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8be5\u4ee3\u7801\u4e0d\u6253\u7b97\u5f88\u597d\u5730\u6269\u5c55\/\u589e\u957f\u3002\u8be5\u4ee3\u7801\u65e8\u5728\u6613\u4e8e\u9605\u8bfb\uff0c\u5e76\u6307\u5bfc\u60a8\u5b8c\u6210\u53d1\u9001\/\u63a5\u6536ALPC\u6d88\u606f\u7684\u4e3b\u8981\u6b65\u9aa4\u3002<\/li><li>\u8fd9\u6bb5\u4ee3\u7801\u7edd\u5bf9\u6ca1\u6709\u63a5\u8fd1\u6027\u80fd\uff0c\u8d44\u6e90\u6216\u5176\u4ed6\u4efb\u4f55\u4f18\u5316\u7684\u4e1c\u897f\u3002\u8fd9\u662f\u4e3a\u4e86\u5b66\u4e60\u3002<\/li><li>\u6211\u6ca1\u6709\u8d39\u5fc3\u53bb\u91ca\u653e\u7f13\u51b2\u533a\uff0c\u6d88\u606f\u6216\u4efb\u4f55\u5176\u4ed6\u8d44\u6e90\uff08\u5b83\u5e26\u6709\u76f4\u63a5\u653b\u51fb\u8def\u5f84\uff0c\u5982<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#unfreed-message-objects\">Unfreed Message Objects<\/a>\u4e00\u8282\u4e2d\u6240\u8ff0\uff09\u3002<\/li><\/ul>\n\n\n\n<p>\u867d\u7136\u8981\u6d4f\u89c8\u7684\u6587\u4ef6\u4e0d\u591a\uff0c\u4f46\u8ba9\u6211\u6307\u51fa\u51e0\u884c\u503c\u5f97\u6ce8\u610f\u7684\u4ee3\u7801\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u60a8\u53ef\u4ee5<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-ALPC-Basic-Server\/CPP-ALPC-Basic-Server.cpp#L102-L106\">\u5728\u6b64\u5904<\/a>\u627e\u5230\u6211\u5982\u4f55\u8bbe\u7f6e\u793a\u4f8b\u6d88\u606f\u5c5e\u6027\u3002<\/li><li>\u60a8\u53ef\u4ee5<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-ALPC-Basic-Client\/CPP-ALPC-Basic-Client.cpp#L132-L141\">\u5728\u6b64\u5904<\/a>\u627e\u5230\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u7684\u8c03\u7528\u3002<code>NtAlpcSendWaitReceivePort<\/code><\/li><li>\u60a8\u53ef\u4ee5<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L12-L61\">\u5728\u6b64\u5904<\/a>\u627e\u5230 ALPC \u7aef\u53e3\u6807\u5fd7\u3001\u6d88\u606f\u5c5e\u6027\u6807\u5fd7\u3001\u6d88\u606f\u548c\u8fde\u63a5\u6807\u5fd7\u3002<\/li><\/ul>\n\n\n\n<p>\u6700\u540e\u662f\u5b83\u7684\u6837\u5b50\uff1a<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_Sample_Client-Server.png\" alt=\"ALPC \u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u793a\u4f8b\"><small>ALPC \u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u793a\u4f8b<\/small><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"attack-surface\">\u653b\u51fb\u9762<\/h2>\n\n\n\n<p>\u5728\u6df1\u5165\u7814\u7a76ALPC\u901a\u4fe1\u901a\u9053\u7684\u653b\u51fb\u9762\u4e4b\u524d\uff0c\u6211\u60f3\u6307\u51faALPC\u901a\u4fe1\u7684\u4e00\u4e2a\u6709\u8da3\u7684\u6982\u5ff5\u5f31\u70b9\uff0c\u4e0b\u9762\u7684\u653b\u51fb\u8def\u5f84\u5efa\u7acb\u5728\u4ee5\u4e0b\u653b\u51fb\u8def\u5f84\u7684\u57fa\u7840\u4e0a\uff0c\u5e94\u8be5\u7262\u8bb0\u8fd9\u4e00\u70b9\u4ee5\u627e\u5230\u8fdb\u4e00\u6b65\u7684\u5229\u7528\u6f5c\u529b\u3002<\/p>\n\n\n\n<p>\u56de\u987e&nbsp;<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#alpc-message-flow\">ALPC \u6d88\u606f\u6d41\u90e8\u5206<\/a>\uff0c\u6211\u4eec\u53ef\u4ee5\u56de\u987e\u4e00\u4e0b\uff0c\u4e3a\u4e86\u5141\u8bb8 ALPC \u901a\u4fe1\u7684\u53d1\u751f\uff0c\u670d\u52a1\u5668\u5fc5\u987b\u6253\u5f00\u4e00\u4e2a ALPC\uff08\u8fde\u63a5\uff09\u7aef\u53e3\uff0c\u7b49\u5f85\u4f20\u5165\u7684\u6d88\u606f\uff0c\u7136\u540e\u63a5\u53d7\u6216\u62d2\u7edd\u8fd9\u4e9b\u6d88\u606f\u3002\u5c3d\u7ba1 ALPC \u7aef\u53e3\u662f\u4e00\u4e2a\u5b89\u5168\u5bf9\u8c61\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/secauthz\/security-descriptors\">\u5b89\u5168\u63cf\u8ff0\u7b26\u521b\u5efa\uff0c\u8be5\u5b89\u5168\u63cf\u8ff0\u7b26<\/a>\u5b9a\u4e49\u4e86\u8c01\u53ef\u4ee5\u8bbf\u95ee\u548c\u8fde\u63a5\u5230\u5b83\uff0c\u4f46\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u521b\u5efa ALPC \u670d\u52a1\u5668\u8fdb\u7a0b\u4e0d\u80fd\uff08\u6216\u5e0c\u671b\uff09\u6839\u636e\u88ab\u53eb\u65b9\u7684&nbsp;<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/secauthz\/security-identifiers\">SID<\/a>&nbsp;\u9650\u5236\u8bbf\u95ee\u3002\u5982\u679c\u60a8\u65e0\u6cd5\uff08\u6216\u5e0c\u671b\uff09\u9650\u5236&nbsp;<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/secauthz\/security-identifiers\">SID<\/a>&nbsp;\u5bf9 ALPC \u7aef\u53e3\u7684\u8bbf\u95ee\uff0c\u5219\u552f\u4e00\u7684\u9009\u62e9\u662f\u5141\u8bb8<em>\u6240\u6709\u4eba<\/em>\u8fde\u63a5\u5230\u60a8\u7684\u7aef\u53e3\uff0c\u5e76\u5728\u5ba2\u6237\u7aef\u8fde\u63a5\u5e76\u5411\u60a8\u53d1\u9001\u6d88\u606f\u540e\u505a\u51fa\u63a5\u53d7\/\u62d2\u7edd\u51b3\u5b9a\u3002\u8fd9\u53cd\u8fc7\u6765\u610f\u5473\u7740\u8bb8\u591a\u5185\u7f6e\u7684ALPC\u670d\u52a1\u5668\u786e\u5b9e\u5141\u8bb8<em>\u6bcf\u4e2a\u4eba<\/em>\u8fde\u63a5\u5e76\u5411\u670d\u52a1\u5668\u53d1\u9001\u6d88\u606f\u3002\u5373\u4f7f\u670d\u52a1\u5668\u7acb\u5373\u62d2\u7edd\u5ba2\u6237\u7aef\uff0c\u53d1\u9001\u521d\u59cb\u6d88\u606f\u548c\u4e00\u4e9b\u6d88\u606f\u5c5e\u6027\u4ee5\u53ca\u8be5\u6d88\u606f\u53ef\u80fd\u4e5f\u8db3\u4ee5\u5229\u7528\u6f0f\u6d1e\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u8fd9\u79cd\u901a\u4fe1\u67b6\u6784\u548cALPC\u7684\u65e0\u5904\u4e0d\u5728\uff0c\u5229\u7528ALPC\u4e5f\u662f\u9003\u79bb\u6c99\u7bb1\u7684\u6709\u8da3\u5a92\u4ecb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"identify-targets\">\u786e\u5b9a\u76ee\u6807<\/h3>\n\n\n\n<p>\u6620\u5c04\u653b\u51fb\u9762\u7684\u7b2c\u4e00\u6b65\u662f\u8bc6\u522b\u76ee\u6807\uff0c\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2d\u662fALPC\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u8fdb\u7a0b\u3002<br>\u5bf9\u4e8e\u5982\u4f55\u8bc6\u522b\u8fd9\u4e9b\u8fc7\u7a0b\uff0c\u6211\u901a\u5e38\u60f3\u5230\u4e86\u4e09\u79cd\u9014\u5f84\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u8bc6\u522b ALPC \u7aef\u53e3\u5bf9\u8c61\u5e76\u5c06\u5176\u6620\u5c04\u5230\u6240\u5c5e\u8fdb\u7a0b<\/li><li>\u68c0\u67e5\u6d41\u7a0b\u5e76\u786e\u5b9a\u5176\u4e2d\u662f\u5426\u4f7f\u7528\u4e86 ALPC<\/li><li>\u4f7f\u7528 Windows \u4e8b\u4ef6\u8ddf\u8e2a \uff08ETW\uff09 \u5217\u51fa ALPC \u4e8b\u4ef6<\/li><\/ol>\n\n\n\n<p>\u6240\u6709\u8fd9\u4e9b\u65b9\u5f0f\u90fd\u53ef\u80fd\u5f88\u6709\u8da3\uff0c\u6240\u4ee5\u8ba9\u6211\u4eec\u6765\u770b\u770b\u5b83\u4eec&#8230;&#8230;<\/p>\n\n\n\n<p><strong>\u67e5\u627e ALPC \u7aef\u53e3\u5bf9\u8c61<\/strong><br>\u6211\u4eec\u5df2\u7ecf\u5728\u672c\u6587\u5f00\u5934\u770b\u5230\u4e86\u8bc6\u522b ALPC \u7aef\u53e3\u5bf9\u8c61\u7684\u6700\u76f4\u63a5\u65b9\u6cd5\uff0c\u5373\u542f\u52a8&nbsp;<a href=\"https:\/\/docs.microsoft.com\/en-us\/sysinternals\/downloads\/winobj\">WinObj<\/a>&nbsp;\u5e76\u901a\u8fc7\u201c\u7c7b\u578b\u201d\u5217\u53d1\u73b0 ALPC \u5bf9\u8c61\u3002WinObj \u65e0\u6cd5\u5411\u6211\u4eec\u63d0\u4f9b\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\uff0c\u56e0\u6b64\u6211\u4eec\u8f6c\u5230&nbsp;<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows-hardware\/drivers\/debugger\/debugger-download-tools\">WinDbg<\/a>&nbsp;\u5185\u6838\u8c03\u8bd5\u5668\u6765\u68c0\u67e5\u6b64 ALPC \u7aef\u53e3\u5bf9\u8c61\uff1a<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/Inspect_AlpcPortObject_WinDbg.svg\" alt=\"Inspect_AlpcPortObject_WinDbg\"><small>\u4f7f\u7528 WinDbg \u68c0\u67e5 ALPC \u7aef\u53e3\u5bf9\u8c61<\/small><\/p>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u547d\u4ee4\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 Windbg \u7684&nbsp;<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows-hardware\/drivers\/debugger\/-object\">\uff01object<\/a>&nbsp;\u547d\u4ee4\u5728\u5bf9\u8c61\u7ba1\u7406\u5668\u4e2d\u67e5\u8be2\u6307\u5b9a\u8def\u5f84\u4e2d\u7684<em>\u547d\u540d<\/em>\u5bf9\u8c61\u3002\u8fd9\u5df2\u7ecf\u9690\u542b\u5730\u544a\u8bc9\u6211\u4eec\uff0c\u8fd9\u4e2aALPC\u7aef\u53e3\u5fc5\u987b\u662f<strong>ALPC\u8fde\u63a5\u7aef\u53e3<\/strong>\uff0c\u56e0\u4e3a\u901a\u4fe1\u7aef\u53e3\u6ca1\u6709\u88ab\u547d\u540d\u3002\u53cd\u8fc7\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u7ed3\u8bba\uff0c\u6211\u4eec\u53ef\u4ee5\u4ec5\u4f7f\u7528<a href=\"https:\/\/docs.microsoft.com\/en-us\/sysinternals\/downloads\/winobj\">WinObj<\/a>\u6765\u67e5\u627e<strong>ALPC\u8fde\u63a5\u7aef\u53e3<\/strong>\uff0c\u5e76\u901a\u8fc7\u8fd9\u4e9b<em>\u4ec5<\/em>ALPC\u670d\u52a1\u5668\u8fdb\u7a0b\u3002<br>\u8bf4\u5230\u670d\u52a1\u5668\u8fdb\u7a0b\uff1a\u5982\u4e0a\u6240\u793a\uff0c\u53ef\u4ee5\u4f7f\u7528<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows-hardware\/drivers\/debugger\/debugger-download-tools\">WinDbg\u7684<\/a>\u672a\u8bb0\u5f55\u547d\u4ee4\u6765\u663e\u793a\u6709\u5173\u6211\u4eec\u521a\u521a\u8bc6\u522b\u7684ALPC\u7aef\u53e3\u7684\u4fe1\u606f\u3002\u8f93\u51fa\u5305\u62ec &#8211; \u4ee5\u53ca\u8bb8\u591a\u5176\u4ed6\u6709\u7528\u7684\u4fe1\u606f\uff0c\u7aef\u53e3\u7684\u6240\u5c5e\u670d\u52a1\u5668\u8fdb\u7a0b\uff0c\u5728\u672c\u4f8b\u4e2d\u662f<em>svchost.exe<\/em>\u3002<br>\u73b0\u5728\u6211\u4eec\u77e5\u9053\u4e86 ALPC Port \u5bf9\u8c61\u7684\u5730\u5740\uff0c\u6211\u4eec\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528\u8be5\u547d\u4ee4\u6765\u663e\u793a\u6b64 ALPC \u8fde\u63a5\u7aef\u53e3\u7684\u6d3b\u52a8\u8fde\u63a5\uff1a<code>!alpc<\/code><code>!alpc<\/code><\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/WinDbg_alpc_show_connections.png\" alt=\"WinDbg_alpc_show_connections\"><small>\u5728 WinDbg \u4e2d\u663e\u793a ALPC \u7aef\u53e3\u8fde\u63a5<\/small><\/p>\n\n\n\n<p><em>\u9644\u6ce8\uff1a\uff01alpc Windbg \u547d\u4ee4\u672a\u8bb0\u5f55\uff0c\u4f46 LPC \u65f6\u4ee3\u5b58\u5728\u7684\u8fc7\u65f6\u7684 \uff01lpc \u547d\u4ee4<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows-hardware\/drivers\/debugger\/-lpc\">\u8bb0\u5f55\u5728\u6b64\u5904<\/a>\uff0c\u5e76\u5177\u6709 2021 \u5e74 12 \u6708\u7684\u65f6\u95f4\u6233\u3002\u672c\u6587\u6863\u9875\u9762\u786e\u5b9e\u63d0\u5230 \uff01lpc \u547d\u4ee4\u5df2\u8fc7\u65f6\uff0c\u5e94\u6539\u7528 \uff01alpc \u547d\u4ee4\uff0c\u4f46 \uff01alpc \u547d\u4ee4\u8bed\u6cd5\u548c\u9009\u9879\u5b8c\u5168\u4e0d\u540c\u3002\u4f46\u4e3a\u4e86\u516c\u5e73\u8d77\u89c1\uff0c\u5982\u679c\u60a8\u8f93\u5165\u4efb\u4f55\u65e0\u6548\u7684 \uff01alpc \u547d\u4ee4\uff0c\u5219 \uff01alpc \u547d\u4ee4\u8bed\u6cd5\u5c06\u663e\u793a\u5728 WinDbg \u4e2d\uff1a<\/em><\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/WinDbg_alpc_command_syntax.png\" alt=\"WinDbg_alpc_command_syntax\"><small>WinDbg \u4e2d\u7684 ALPC \u547d\u4ee4<\/small><\/p>\n\n\n\n<p>\u611f\u8c22&nbsp;<a href=\"https:\/\/twitter.com\/tiraniddo\">James Forshaw<\/a>&nbsp;\u548c\u4ed6\u5728&nbsp;<a href=\"https:\/\/github.com\/googleprojectzero\/sandbox-attacksurface-analysis-tools\/tree\/25b183136e9a44ed148a0616875d83d785ef46de\/NtObjectManager\">.NET \u4e2d\u7684 NtObjectManager<\/a>\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u67e5\u8be2 PowerShell \u4e2d\u7684 NtObjectManager \u6765\u641c\u7d22 ALPC \u7aef\u53e3\u5bf9\u8c61\uff0c\u751a\u81f3\u66f4\u597d\u7684<a href=\"https:\/\/twitter.com\/tiraniddo\">\u662f\uff0cJames<\/a>&nbsp;\u5df2\u7ecf\u901a\u8fc7&nbsp;<a href=\"https:\/\/github.com\/googleprojectzero\/sandbox-attacksurface-analysis-tools\/blob\/25b183136e9a44ed148a0616875d83d785ef46de\/NtObjectManager\/RpcFunctions.ps1#L49\">Get-AccessibleAlpcPort<\/a>&nbsp;\u4e3a\u6b64\u63d0\u4f9b\u4e86\u5305\u88c5\u5668\u529f\u80fd\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/Get-AccessibleAlpcPort.png\" alt=\"Get-AccesseAlpcPort\"><small>Get-AccesseAlpcPort \u547d\u4ee4\u8f93\u51fa<\/small><\/p>\n\n\n\n<p><strong>\u67e5\u627e\u5de5\u827a\u4e2d\u4f7f\u7528\u7684 ALPC<\/strong><\/p>\n\n\n\n<p>\u4e0e\u5f80\u5e38\u4e00\u6837\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u8fdb\u7a0b\u4e2d\u627e\u5230ALPC\u7aef\u53e3\u4f7f\u7528\u60c5\u51b5\uff0c\u4ee5\u4e0b\u662f\u60f3\u5230\u7684\u4e00\u4e9b\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4e0e\u4e4b\u524d\u6587\u7ae0\uff08<a href=\"https:\/\/csandker.io\/2021\/02\/21\/Offensive-Windows-IPC-2-RPC.html#rpc-servers\">\u6b64\u5904<\/a>\uff09\u4e2d\u7684\u65b9\u6cd5\u7c7b\u4f3c<a href=\"https:\/\/docs.microsoft.com\/en-us\/cpp\/build\/reference\/dumpbin-reference?view=msvc-170\">\uff0c\u53ef\u4ee5\u4f7f\u7528\u8f6c\u50a8\u7bb1.exe<\/a>\u5b9e\u7528\u7a0b\u5e8f\u5217\u51fa\u53ef\u6267\u884c\u6587\u4ef6\u7684\u5bfc\u5165\u51fd\u6570\uff0c\u5e76\u5728\u5176\u4e2d\u641c\u7d22ALPC\u7279\u5b9a\u7684\u51fd\u6570\u8c03\u7528\u3002<\/li><li>\u7531\u4e8e\u4e0a\u8ff0\u65b9\u6cd5\u9002\u7528\u4e8e\u78c1\u76d8\u4e0a\u7684\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u4f46\u4e0d\u9002\u7528\u4e8e\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f20\u8f93<a href=\"https:\/\/docs.microsoft.com\/en-us\/cpp\/build\/reference\/dumpbin-reference?view=msvc-170\">\u8f6c\u50a8\u7bb1<\/a>\u4f7f\u7528\u7684\u65b9\u6cd5.exe\u5e76\u89e3\u6790\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u7684\u5bfc\u5165\u5730\u5740\u8868\uff08IAT\uff09\u4ee5\u67e5\u627eALPC\u7279\u5b9a\u7684\u51fd\u6570\u8c03\u7528\u3002<\/li><li>\u53ef\u4ee5\u9644\u52a0\u5230\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u67e5\u8be2\u6b64\u8fdb\u7a0b\u7684\u6253\u5f00\u53e5\u67c4\uff0c\u5e76\u7b5b\u9009\u6307\u5411 ALPC \u7aef\u53e3\u7684\u53e5\u67c4\u3002<\/li><\/ul>\n\n\n\n<p>\u5b89\u88c5<a href=\"https:\/\/docs.microsoft.com\/en-us\/cpp\/build\/reference\/dumpbin-reference?view=msvc-170\">\u8f6c\u50a8.exe<\/a>\u540e\uff08\u4f8b\u5982\uff0cVisual Studio C++\u5f00\u53d1\u5957\u4ef6\u9644\u5e26\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u4e2a PowerShell \u5355\u884c\u4ee3\u7801\u6765\u67e5\u627e\u521b\u5efa ALPC \u7aef\u53e3\u6216\u8fde\u63a5\u5230 ALPC \u7aef\u53e3<em>\u7684.exe<\/em>\u548c<em>.dll<\/em>\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1\n2\n3\n4\n5\n## Get ALPC Server processes (those that create an ALPC port)\nGet-ChildItem -Path \"C:\\Windows\\System32\\\" -Include ('*.exe', '*.dll') -Recurse -ErrorAction SilentlyContinue | % { $out=$(C:\\\"Program Files (x86)\"\\\"Microsoft Visual Studio 14.0\"\\VC\\bin\\dumpbin.exe \/IMPORTS:ntdll.dll $_.VersionInfo.FileName); If($out -like \"*NtAlpcCreatePort*\"){ Write-Host \"&#91;+] Executable creating ALPC Port: $($_.VersionInfo.FileName)\"; Write-Output \"&#91;+] $($_.VersionInfo.FileName)`n`n $($out|%{\"$_`n\"})\" | Out-File -FilePath NtAlpcCreatePort.txt -Append } }\n\n## Get ALPC client processes (those that connect to an ALPC port)\nGet-ChildItem -Path \"C:\\Windows\\System32\\\" -Include ('*.exe', '*.dll') -Recurse -ErrorAction SilentlyContinue | % { $out=$(C:\\\"Program Files (x86)\"\\\"Microsoft Visual Studio 14.0\"\\VC\\bin\\dumpbin.exe \/IMPORTS:ntdll.dll $_.VersionInfo.FileName); If($out -like \"*NtAlpcConnectPor*\"){ Write-Host \"&#91;+] Executable connecting to ALPC Port: $($_.VersionInfo.FileName)\"; Write-Output \"&#91;+] $($_.VersionInfo.FileName)`n`n $($out|%{\"$_`n\"})\" | Out-File -FilePath NtAlpcConnectPort.txt -Append } }\n<\/code><\/pre>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/AlpcProcesses_via_Dumpbin.png\" alt=\"AlpcProcesses_via_Dumpbin\"><small>\u4f7f\u7528 ALPC \u529f\u80fd\u7684\u53ef\u6267\u884c\u6587\u4ef6<\/small><\/p>\n\n\n\n<p>\u6211\u6ca1\u6709\u7f16\u5199\u7b2c\u4e8c\u4e2a\u9009\u9879\uff08\u89e3\u6790IAT\uff09 &#8211; \u5982\u679c\u4f60\u77e5\u9053\u4e00\u4e2a\u8fd9\u6837\u505a\u7684\u5de5\u5177<a href=\"https:\/\/twitter.com\/0xcsandker\">\uff0c\u8ba9\u6211\u77e5\u9053<\/a>\uff0c\u4f46\u662f\u6709\u4e00\u79cd\u7b80\u5355\u4f46<em>\u975e\u5e38\u6162<\/em>\u7684\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684WinDbg\u547d\u4ee4\u6765\u5904\u7406\u9009\u98793\uff08\u5728\u8fdb\u7a0b\u4e2d\u627e\u5230ALPC\u53e5\u67c4\uff09\uff1a<code>!handle 0 2 0 ALPC Port<\/code><\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/Identify_ALPCPorts_via_WindbgHandle.png\" alt=\"Identify_ALPCPorts_via_WindbgHandle\"><small>\u4f7f\u7528 WinDbg \u8bc6\u522b ALPC \u7aef\u53e3\u5bf9\u8c61\u7684\u53e5\u67c4<\/small><\/p>\n\n\n\n<p>\u8bf7\u6ce8\u610f\uff0c\u8fd9\u975e\u5e38\u6162\uff0c\u53ef\u80fd\u9700\u8981\u51e0\u4e2a\u5c0f\u65f6\u624d\u80fd\u5b8c\u6210\uff08\u6211\u572810\u5206\u949f\u540e\u505c\u6b62\uff0c\u53ea\u6709\u5927\u7ea618\u4e2a\u53e5\u67c4\uff09\u3002<br>\u4f46\u662f\uff0c\u518d\u6b21\u611f\u8c22<a href=\"https:\/\/twitter.com\/tiraniddo\">James Forshaw<\/a>\u548c\u4ed6\u7684<a href=\"https:\/\/github.com\/googleprojectzero\/sandbox-attacksurface-analysis-tools\/tree\/main\/NtApiDotNet\">NtApiDotNet<\/a>\uff0c\u6709\u66f4\u7b80\u5355\u7684\u65b9\u6cd5\u53ef\u4ee5\u81ea\u5df1\u7f16\u7801\u5e76\u52a0\u5feb\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u800c\u4e14\u6211\u4eec\u8fd8\u53ef\u4ee5\u83b7\u5f97\u4e00\u4e9b\u6709\u8da3\u7684ALPC\u7edf\u8ba1\u6570\u636e&#8230;&#8230;<br><em>\u4f60\u53ef\u4ee5<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/tree\/master\/ALPC\/CS-AlpcProcessHandles\">\u5728\u8fd9\u91cc<\/a>\u627e\u5230\u8fd9\u4e2a\u5de5\u5177<\/em><\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/AlpcProcessHandles.svg\" alt=\"AlpcProcessHandles.svg\"><small>\u4f7f\u7528 NtApiDotNet \u8bc6\u522b ALPC \u7aef\u53e3\u5bf9\u8c61\u7684\u53e5\u67c4<\/small><\/p>\n\n\n\n<p>\u8bf7\u6ce8\u610f\uff0c\u6b64\u7a0b\u5e8f\u4e0d\u5728\u5185\u6838\u73af\u5883\u4e2d\u8fd0\u884c\uff0c\u56e0\u6b64\u6211\u5e0c\u671b\u4f7f\u7528WinDbg\u547d\u4ee4\u83b7\u5f97\u66f4\u597d\u7684\u7ed3\u679c\uff0c\u4f46\u5b83\u53ef\u4ee5\u5217\u51fa\u5404\u79cd\u8fdb\u7a0b\u4f7f\u7528\u7684\u4e00\u4e9bALPC\u7aef\u53e3\u3002\u901a\u8fc7\u8fed\u4ee3\u6211\u4eec\u53ef\u4ee5\u8bbf\u95ee\u7684\u6240\u6709\u8fdb\u7a0b\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u8ba1\u7b97\u6709\u5173ALPC\u4f7f\u7528\u60c5\u51b5\u7684\u4e00\u4e9b\u57fa\u672c\u7edf\u8ba1\u4fe1\u606f\uff0c\u5982\u4e0a\u6240\u793a\u3002\u8fd9\u4e9b\u6570\u5b57\u4e0d\u662f100%\u51c6\u786e\u7684\uff0c\u4f46\u662f\u5e73\u5747\u800c\u8a00\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u4f7f\u7528\u5927\u7ea614\u4e2aALPC\u901a\u4fe1\u7aef\u53e3\u53e5\u67c4\uff0c\u6211\u4eec\u53ef\u4ee5\u80af\u5b9a\u5730\u5f97\u51fa\u7ed3\u8bba\uff0cALPC\u5728Windows\u4e2d\u7ecf\u5e38\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u4e00\u65e6\u4f60\u786e\u5b9a\u4e86\u4e00\u4e2a\u542c\u8d77\u6765\u50cf\u4e00\u4e2a\u6709\u8da3\u7684\u76ee\u6807\u7684\u8fc7\u7a0b\uff0cWinDbg\u53ef\u4ee5\u518d\u6b21\u7528\u4e8e\u66f4\u6df1\u5165\u5730\u6316\u6398&#8230;&#8230;<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/AlpcProcess_via_Windbg.png\" alt=\"AlpcProcess_via_Windbg\"><small>\u4f7f\u7528 WinDbg \u67e5\u627e\u8fdb\u7a0b\u4e2d\u7684 ALPC \u7aef\u53e3\u5bf9\u8c61<\/small><\/p>\n\n\n\n<p><strong>\u5bf9\u7a97\u53e3\u4f7f\u7528\u4e8b\u4ef6\u8ddf\u8e2a<\/strong><\/p>\n\n\n\n<p>\u5c3d\u7ba1 ALPC \u672a\u8bb0\u5f55\uff0c\u4f46\u4e00<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/etw\/alpc\">\u4e9b ALPCs \u4e8b\u4ef6<\/a>\u516c\u5f00\u4e3a Windows \u4e8b\u4ef6\uff0c\u8fd9\u4e9b\u4e8b\u4ef6\u53ef\u4ee5\u901a\u8fc7 Windows \u4e8b\u4ef6\u8ddf\u8e2a \uff08ETW\uff09 \u6355\u83b7\u3002\u5e2e\u52a9ALPC\u4e8b\u4ef6\u7684\u5de5\u5177\u4e4b\u4e00\u662f<a href=\"https:\/\/twitter.com\/zodiacon\">zodiacon<\/a>\u7684<a href=\"https:\/\/github.com\/zodiacon\/ProcMonXv2\">ProcMonXv2<\/a>\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_via_ProcMonXv2.png\" alt=\"ALPC via ProcMonXv2\"><small>\u4f7f\u7528 ProcMonXv2 \u8bc6\u522b ALPC \u4e0e ETW \u7684\u901a\u4fe1<\/small><\/p>\n\n\n\n<p>\u7ecf\u8fc7\u51e0\u79d2\u949f\u5bf9\u4e94\u4e2a\u66b4\u9732\u7684ALPC\u4e8b\u4ef6\u7684\u8fc7\u6ee4\u540e\uff0c\u6211\u4eec\u5f97\u5230\u4e86\u8d85\u8fc71000\u4e2a\u4e8b\u4ef6\uff0c\u8fd9\u518d\u6b21\u8868\u660eALPC\u7684\u4f7f\u7528\u975e\u5e38\u9891\u7e41\u3002\u4f46\u9664\u6b64\u4e4b\u5916\uff0cETW\u5728\u6df1\u5165\u4e86\u89e3ALPC\u901a\u4fe1\u6e20\u9053\u65b9\u9762\u6ca1\u6709\u63d0\u4f9b\u592a\u591a\uff0c\u4f46\u65e0\u8bba\u5982\u4f55\uff0c\u5b83\u505a\u4e86\u5b83\u6253\u7b97\u505a\u7684\u4e8b\u60c5\uff1a\u786e\u5b9aALPC\u76ee\u6807\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"impersonation-and-non-impersonation\">\u6a21\u62df\u548c\u975e\u6a21\u62df<\/h3>\n\n\n\n<p>\u4e0e\u8be5\u7cfb\u5217\u7684\u4e0a\u4e00\u7bc7\u6587\u7ae0\uff08\u8bf7\u53c2\u9605<a href=\"https:\/\/csandker.io\/2021\/02\/21\/Offensive-Windows-IPC-2-RPC.html#client-impersonation\">\u6b64\u5904<\/a>\u548c<a href=\"https:\/\/csandker.io\/2021\/01\/10\/Offensive-Windows-IPC-1-NamedPipes.html#impersonating-a-named-pipe-client\">\u6b64\u5904<\/a>\uff09\u4e00\u6837\uff0c\u4e00\u4e2a\u6709\u8da3\u7684\u653b\u51fb\u5a92\u4ecb\u662f\u5192\u5145\u53e6\u4e00\u65b9\u3002<br><em>\u4e0e\u4e0a\u6b21\u4e00\u6837\uff0c\u6211\u4e0d\u6253\u7b97\u518d\u6b21\u4ecb\u7ecd\u6a21\u62df\uff0c\u4f46\u60a8\u5c06\u5728<a href=\"https:\/\/csandker.io\/2022\/05\/24\/2021\/01\/10\/Offensive-Windows-IPC-1-NamedPipes.html#impersonation\">\u547d\u540d\u7ba1\u9053\u5e16\u5b50\u7684\u6a21\u62df\u90e8\u5206<\/a>\u4e2d\u627e\u5230\u6240\u9700\u7684\u6240\u6709\u89e3\u91ca\u3002<\/em><br>\u5bf9\u4e8e ALPC \u901a\u4fe1\uff0c\u6a21\u62df\u4f8b\u7a0b\u7ed1\u5b9a\u5230\u6d88\u606f\uff0c\u8fd9\u610f\u5473\u7740\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\uff08\u5373\u6bcf\u4e2a\u901a\u4fe1\u65b9\uff09\u90fd\u53ef\u4ee5\u6a21\u62df\u53e6\u4e00\u7aef\u7684\u7528\u6237\u3002\u4f46\u662f\uff0c\u4e3a\u4e86\u5141\u8bb8\u6a21\u62df\uff0c\u6a21\u62df\u901a\u4fe1\u4f19\u4f34\u5fc5\u987b\u5141\u8bb8\u6a21\u62df\u53d1\u751f\uff0c\u5e76\u4e14\u6a21\u62df\u901a\u4fe1\u4f19\u4f34\u9700\u8981\u6301\u6709<a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/secauthz\/privilege-constants\">SeImpersonate<\/a>\u7279\u6743\uff08\u5b83\u4ecd\u7136\u662f\u4e00\u4e2a\u5b89\u5168\u7684\u901a\u4fe1\u901a\u9053\uff0c\u5bf9\u5427\uff1f&#8230;<br>\u67e5\u770b\u4ee3\u7801\uff0c\u4f3c\u4e4e\u6709\u4e24\u4e2a\u9009\u9879\u53ef\u4ee5\u6ee1\u8db3\u7b2c\u4e00\u4e2a\u6761\u4ef6\uff0c\u5373\u5141\u8bb8\u88ab\u6a21\u62df\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u7b2c\u4e00\u4e2a\u9009\u9879\uff1a\u901a\u8fc7 \uff0c\u4f8b\u5982\uff0c\u5982\u4e0b\u6240\u793a\uff1a<code>PortAttributes<\/code><\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ QOS\nSecurityQos.ImpersonationLevel = SecurityImpersonation;\nSecurityQos.ContextTrackingMode = SECURITY_STATIC_TRACKING;\nSecurityQos.EffectiveOnly = 0;\nSecurityQos.Length = sizeof(SecurityQos);\n\/\/ ALPC Port Attributs\nPortAttributes.SecurityQos = SecurityQos;\nPortAttributes.Flags = ALPC_PORTFLG_ALLOWIMPERSONATION;\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u7b2c\u4e8c\u4e2a\u9009\u9879\uff1a\u901a\u8fc7\u6d88\u606f\u5c5e\u6027<code>ALPC_MESSAGE_SECURITY_ATTRIBUTE<\/code><\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>pMsgAttrSend = setup_sample_message_attributes(hSrvCommPort, NULL, ALPC_MESSAGE_SECURITY_ATTRIBUTE); \/\/ setup security attribute\npMsgAttrSend->ValidAttributes |= ALPC_MESSAGE_SECURITY_ATTRIBUTE; \/\/ specify it to be valid for the next message\nNtAlpcSendWaitReceivePort(...) \/\/ send the message\n<\/code><\/pre>\n\n\n\n<p><em>\u5982\u679c\u4f60\u4e0d\u662f\u5f88\u719f\u6089VC ++\/ALPC\u4ee3\u7801\uff0c\u8fd9\u4e9b\u7247\u6bb5\u53ef\u80fd\u4e0d\u4f1a\u544a\u8bc9\u4f60\u4efb\u4f55\u4e8b\u60c5\uff0c\u8fd9\u5b8c\u5168\u6ca1\u95ee\u9898\u3002\u8fd9\u91cc\u7684\u8981\u70b9\u662f\uff1a\u7406\u8bba\u4e0a\u6709\u4e24\u4e2a\u9009\u9879\u53ef\u4ee5\u6307\u5b9a\u5141\u8bb8\u6a21\u62df\u3002<\/em><br>\u4f46\u662f\uff0c\u6709\u4e00\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5982\u679c\u670d\u52a1\u5668\uff08\u5177\u6709\u8fde\u63a5\u7aef\u53e3\u53e5\u67c4\u7684\u670d\u52a1\u5668\uff09\u60f3\u8981\u6a21\u62df\u5ba2\u6237\u7aef\uff0c\u5219\u5f53\u5ba2\u6237\u7aef\u6307\u5b9a\u4e86\u7b2c\u4e00\u4e2a\u9009\u9879\u6216\u7b2c\u4e8c\u4e2a\u9009\u9879\uff08\u6216\u4e24\u8005\uff0c\u4f46\u4e00\u4e2a\u9009\u9879\u5c31\u8db3\u591f\u4e86\uff09\u65f6\uff0c\u5141\u8bb8\u6a21\u62df\u3002<\/li><li>\u4f46\u662f\uff0c\u5982\u679c\u5ba2\u6237\u7aef\u60f3\u8981\u6a21\u62df\u670d\u52a1\u5668\uff0c\u5219\u670d\u52a1\u5668\u5fc5\u987b\u63d0\u4f9b\u7b2c\u4e8c\u4e2a\u9009\u9879\u3002\u6362\u53e5\u8bdd\u8bf4\uff1a\u670d\u52a1\u5668\u5fc5\u987b\u53d1\u9001 \u4ee5\u5141\u8bb8\u5ba2\u6237\u7aef\u6a21\u62df\u670d\u52a1\u5668\u3002<code>ALPC_MESSAGE_SECURITY_ATTRIBUTE<\/code><\/li><\/ul>\n\n\n\n<p>\u6211\u5df2\u7ecf\u7814\u7a76\u4e86\u8fd9\u4e24\u79cd\u8def\u7531\uff1a\u6a21\u62df\u5ba2\u6237\u7aef\u7684\u670d\u52a1\u5668\u548c\u6a21\u62df\u670d\u52a1\u5668\u7684\u5ba2\u6237\u7aef\u3002<br>\u6211\u7684\u7b2c\u4e00\u6761\u8def\u5f84\u662f\u67e5\u627e\u5c1d\u8bd5\u8fde\u63a5\u5230\u4e0d\u5b58\u5728\u7684\u670d\u52a1\u5668\u7aef\u53e3\u7684\u5ba2\u6237\u7aef\uff0c\u4ee5\u4fbf\u68c0\u67e5\u6a21\u62df\u6761\u4ef6\u3002\u6211\u5c1d\u8bd5\u4e86\u5404\u79cd\u65b9\u6cd5\uff0c\u4f46\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u8fd8\u6ca1\u6709\u627e\u5230\u4e00\u79cd\u5f88\u597d\u7684\u65b9\u5f0f\u6765\u8bc6\u522b\u8fd9\u4e9b\u5ba2\u6237\u3002\u6211\u8bbe\u6cd5\u5728\u5185\u6838\u4e2d\u4f7f\u7528\u65ad\u70b9\u6765\u624b\u52a8\u53d1\u73b0\u4e00\u4e9b\u60c5\u51b5\uff0c\u4f46\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u627e\u4e0d\u5230\u4efb\u4f55\u5141\u8bb8\u5ba2\u6237\u7aef\u6a21\u62df\u7684\u6709\u8da3\u60c5\u51b5\u3002\u4e0b\u9762\u662f\u201cApplicationFrameHost.exe\u201d\u5c1d\u8bd5\u8fde\u63a5\u5230\u4e0d\u5b58\u5728\u7684ALPC\u7aef\u53e3\u7684\u793a\u4f8b\uff0c\u6211\u53ef\u4ee5\u4f7f\u7528\u793a\u4f8b\u670d\u52a1\u5668\u6355\u83b7\u8be5\u7aef\u53e3\uff0c\u4f46\u662f\uff0c\u8be5\u8fc7\u7a0b\u4e0d\u5141\u8bb8\u6a21\u62df\uff08\u5e76\u4e14\u5e94\u7528\u7a0b\u5e8f\u4ee5\u5f53\u524d\u7528\u6237\u8eab\u4efd\u8fd0\u884c\uff09&#8230;<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/Client_Impersonation_Attempt.png\" alt=\"\u5ba2\u6237\u7aef\u6a21\u62df\u5c1d\u8bd5\"><small>\u5ba2\u6237\u7aef\u6a21\u62df\u5c1d\u8bd5<\/small><\/p>\n\n\n\n<p>\u8fd9\u4e0d\u662f\u4e00\u4e2a\u6210\u529f\u7684\u5192\u5145\u5c1d\u8bd5\uff0c\u4f46\u81f3\u5c11\u5b83\u8bc1\u660e\u4e86\u8fd9\u4e2a\u60f3\u6cd5\u3002<\/p>\n\n\n\n<p>\u5728\u53e6\u4e00\u6761\u8def\u5f84\u4e0a\uff1a\u5982\u524d\u6240\u8ff0\uff0c\u6211\u4f7f\u7528&nbsp;<a href=\"https:\/\/github.com\/googleprojectzero\/sandbox-attacksurface-analysis-tools\/blob\/25b183136e9a44ed148a0616875d83d785ef46de\/NtObjectManager\/RpcFunctions.ps1#L49\">Get-AccesseAlpcPort<\/a>&nbsp;\u627e\u5230\u4e86\u4e00\u5806 ALPC \u8fde\u63a5\u7aef\u53e3\uff0c\u5e76\u6307\u793a\u6211\u7684 ALPC \u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u8fd9\u4e9b\u7aef\u53e3\uff0c\u4ee5\u9a8c\u8bc1\u8fd9\u4e9b\u7aef\u53e3\u662f\u5426 a\uff09 \u5141\u8bb8\u6211\u8fde\u63a5\uff0cb\uff09 \u5411\u6211\u53d1\u9001\u4efb\u4f55\u5b9e\u9645\u6d88\u606f\uff0c\u4ee5\u53ca c\uff09 \u53d1\u9001\u6a21\u62df\u6d88\u606f\u5c5e\u6027\u4ee5\u53ca\u6d88\u606f\u3002\u5bf9\u4e8e\u6211\u68c0\u67e5\u7684\u6240\u6709ALPC\u8fde\u63a5\u7aef\u53e3\uff0c\u6211\u6700\u591a\u53ea\u80fd\u6536\u5230\u4e00\u4e9b\u7b80\u77ed\u7684\u521d\u59cb\u5316\u6d88\u606f\uff0c\u5176\u4e2d\u5305\u542b<em>ALPC_MESSAGE_CONTEXT_ATTRIBUTE<\/em>\uff0c\u8fd9\u5bf9\u4e8e\u6a21\u62df\u6ca1\u6709\u7528\uff0c\u4f46\u81f3\u5c11\u5b83\u518d\u6b21\u5c55\u793a\u4e86\u8fd9\u91cc\u7684\u60f3\u6cd5\uff1a<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/\/Server_Impersonation_Attempt.png\" alt=\"\u670d\u52a1\u5668\u6a21\u62df\u5c1d\u8bd5\"><small>\u670d\u52a1\u5668\u6a21\u62df\u5c1d\u8bd5<\/small><\/p>\n\n\n\n<p><strong>\u670d\u52a1\u5668\u975e\u6a21\u62df<\/strong><\/p>\n\n\n\n<p>\u5728\u672c\u7cfb\u5217\u7684&nbsp;<a href=\"https:\/\/csandker.io\/2021\/02\/21\/Offensive-Windows-IPC-2-RPC.html#server-non-impersonation\">RPC \u90e8\u5206\u4e2d<\/a>\uff0c\u6211\u63d0\u5230\u8fde\u63a5\u5230\u670d\u52a1\u5668\u4e5f\u53ef\u80fd\u5f88\u6709\u8da3\uff0c\u8be5\u670d\u52a1\u5668\u786e\u5b9e\u4f7f\u7528\u6a21\u62df\u5c06\u5176\u7ebf\u7a0b\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\u66f4\u6539\u4e3a\u8c03\u7528\u5ba2\u6237\u7aef\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\uff0c\u4f46\u4e0d\u68c0\u67e5\u6a21\u62df\u662f\u6210\u529f\u8fd8\u662f\u5931\u8d25\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u670d\u52a1\u5668\u53ef\u80fd\u4f1a\u88ab\u8bf1\u9a97\u4f7f\u7528\u81ea\u5df1\u7684\uff08\u53ef\u80fd\u63d0\u5347\u7684\uff09\u5b89\u5168\u4e0a\u4e0b\u6587\u6267\u884c\u4efb\u52a1\u3002\u6b63\u5982<a href=\"https:\/\/csandker.io\/2021\/02\/21\/Offensive-Windows-IPC-2-RPC.html#server-non-impersonation\">\u6709\u5173RPC\u7684\u5e16\u5b50<\/a>\u4e2d\u6240\u8be6\u8ff0\u7684\u90a3\u6837\uff0c\u67e5\u627e\u6b64\u7c7b\u60c5\u51b5\u5f52\u7ed3\u4e3a\u5bf9\u60a8\u6b63\u5728\u67e5\u770b\u7684\u7279\u5b9aALPC\u670d\u52a1\u5668\u8fdb\u7a0b\u7684\u9010\u4e2a\u6848\u4f8b\u5206\u6790\u3002\u4e3a\u6b64\uff0c\u60a8\u9700\u8981\u7684\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u6253\u5f00\u5ba2\u6237\u7aef\u53ef\u4ee5\u8fde\u63a5\u5230\u7684 ALPC \u7aef\u53e3\u7684\u670d\u52a1\u5668\u8fdb\u7a0b<\/li><li>\u670d\u52a1\u5668\u5fc5\u987b\u63a5\u53d7\u8fde\u63a5\u6d88\u606f\uff0c\u5e76\u4e14\u5fc5\u987b\u5c1d\u8bd5\u6a21\u62df\u670d\u52a1\u5668<\/li><li>\u670d\u52a1\u5668\u4e0d\u5f97\u68c0\u67e5\u6a21\u62df\u662f\u6210\u529f\u8fd8\u662f\u5931\u8d25<\/li><li>\uff08\u5bf9\u4e8e\u76f8\u5173\u60c5\u51b5\uff0c\u670d\u52a1\u5668\u5fc5\u987b\u5728\u4e0e\u5ba2\u6237\u7aef\u4e0d\u540c\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\u4e2d\u8fd0\u884c\uff0c\u5373\u4e0d\u540c\u7684\u7528\u6237\u6216\u4e0d\u540c\u7684\u5b8c\u6574\u6027\u7ea7\u522b\uff09<\/li><\/ul>\n\n\n\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u60f3\u4e0d\u51fa\u4e00\u79cd\u81ea\u52a8\u5316\u6216\u534a\u81ea\u52a8\u5316\u5bfb\u627e\u8fd9\u4e9b\u76ee\u6807\u7684\u8fc7\u7a0b\u7684\u597d\u65b9\u6cd5\u3002\u60f3\u5230\u7684\u552f\u4e00\u9009\u62e9\u662f\u627e\u5230ALPC\u8fde\u63a5\u7aef\u53e3\u5e76\u53cd\u8f6c\u6258\u7ba1\u8fc7\u7a0b\u3002<br><em>\u5982\u679c\u6211\u5728\u8fd9\u4e2a\u65b9\u5411\u4e0a\u5076\u7136\u53d1\u73b0\u4efb\u4f55\u6709\u8da3\u7684\u4e1c\u897f\uff0c\u6211\u4f1a\u66f4\u65b0\u8fd9\u7bc7\u6587\u7ae0\uff0c\u4f46\u5bf9\u4e8e\u4e3b\u8981\u90e8\u5206\uff0c\u6211\u60f3\u91cd\u65b0\u8fed\u4ee3\u5931\u8d25\u7684\u6a21\u62df\u5c1d\u8bd5\u7684\u653b\u51fb\u8def\u5f84\u3002<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"unfreed-message-objects\">\u672a\u538b\u7f29\u7684\u6d88\u606f\u5bf9\u8c61<\/h3>\n\n\n\n<p>\u5982&nbsp;<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#ALPC_Message_Attributes\">ALPC \u6d88\u606f\u5c5e\u6027\u90e8\u5206<\/a>\u6240\u8ff0\uff0c\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u53ef\u4ee5\u968f\u6d88\u606f\u4e00\u8d77\u53d1\u9001\u591a\u4e2a\u6d88\u606f\u5c5e\u6027\u3002\u5176\u4e2d\u4e4b\u4e00\u662f<em>ALPC_DATA_VIEW_ATTR<\/em>\u5c5e\u6027\uff0c\u53ef\u7528\u4e8e\u5c06\u6709\u5173\u6620\u5c04\u89c6\u56fe\u7684\u4fe1\u606f\u53d1\u9001\u5230\u53e6\u4e00\u65b9\u3002<br>\u56de\u60f3\u4e00\u4e0b\uff1a\u4f8b\u5982\uff0c\u8fd9\u53ef\u7528\u4e8e\u5728\u5171\u4eab\u89c6\u56fe\u4e2d\u5b58\u50a8\u8f83\u5927\u7684\u6d88\u606f\u6216\u6570\u636e\uff0c\u5e76\u5c06\u8be5\u5171\u4eab\u89c6\u56fe\u7684\u53e5\u67c4\u53d1\u9001\u7ed9\u53e6\u4e00\u65b9\uff0c\u800c\u4e0d\u662f\u4f7f\u7528<em>\u53cc\u7f13\u51b2\u6d88\u606f\u4f20\u9012\u673a\u5236<\/em>\u5c06\u6570\u636e\u4ece\u4e00\u4e2a\u5185\u5b58\u7a7a\u95f4\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u5185\u5b58\u7a7a\u95f4\u3002<br>\u8fd9\u91cc\u6709\u8da3\u7684\u662f\uff0c\u5f53\u5728<em>ALPC_DATA_VIEW_ATTR<\/em>\u5c5e\u6027\u4e2d\u5f15\u7528\u5171\u4eab\u89c6\u56fe\uff08\u6216\u5176\u5728 Windows \u4e2d\u8c03\u7528\u7684\u90e8\u5206\uff09\u65f6\uff0c\u8be5\u89c6\u56fe\uff08\u6216\u5728 Windows \u4e2d\u8c03\u7528\u7684\u90e8\u5206\uff09\u5c06\u6620\u5c04\u5230\u63a5\u6536\u5668\u7684\u8fdb\u7a0b\u7a7a\u95f4\u4e2d\u3002\u7136\u540e\uff0c\u63a5\u6536\u65b9\u53ef\u4ee5\u5bf9\u6b64\u90e8\u5206\u6267\u884c\u67d0\u4e9b\u64cd\u4f5c\uff08\u5982\u679c\u4ed6\u4eec\u77e5\u9053\u5b83\u88ab\u6620\u5c04\uff09\uff0c\u4f46\u6700\u7ec8\u6d88\u606f\u7684\u63a5\u6536\u65b9\u5fc5\u987b\u786e\u4fdd\u6620\u5c04\u7684\u89c6\u56fe\u4ece\u5176\u81ea\u5df1\u7684\u5185\u5b58\u7a7a\u95f4\u4e2d\u91ca\u653e\u51fa\u6765\uff0c\u8fd9\u9700\u8981\u4e00\u5b9a\u6570\u91cf\u7684\u6b65\u9aa4\uff0c\u8fd9\u4e9b\u6b65\u9aa4\u53ef\u80fd\u65e0\u6cd5\u6b63\u786e\u9075\u5faa\u3002\u5982\u679c\u63a5\u6536\u65b9\u672a\u80fd\u91ca\u653e\u6620\u5c04\u89c6\u56fe\uff0c\u4f8b\u5982\uff0c\u56e0\u4e3a\u5b83\u4ece\u4e00\u5f00\u59cb\u5c31\u6ca1\u6709\u671f\u671b\u63a5\u6536\u89c6\u56fe\uff0c\u5219\u53d1\u9001\u65b9\u53ef\u4ee5\u4f7f\u7528\u4efb\u610f\u6570\u636e\u53d1\u9001\u8d8a\u6765\u8d8a\u591a\u7684\u89c6\u56fe\uff0c\u4ee5\u7528\u4efb\u610f\u6570\u636e\u7684\u89c6\u56fe\u586b\u5145\u63a5\u6536\u65b9\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u8fd9\u5f52\u7ed3\u4e3a<a href=\"https:\/\/en.wikipedia.org\/wiki\/Heap_spraying\">\u5806\u55b7<\/a>\u653b\u51fb\u3002<\/p>\n\n\n\n<p>\u6211\u53ea\u662f\u901a\u8fc7\uff08\u518d\u6b21\uff09\u542c<a href=\"https:\/\/www.youtube.com\/watch?v=UNpL5csYC1E\">Alex Ionescu\u7684SyScan ALPC Talk<\/a>\u6765\u4e86\u89e3\u8fd9\u4e2aALPC\u653b\u51fb\u5411\u91cf\uff0c\u6211\u8ba4\u4e3a\u6ca1\u6709\u529e\u6cd5\u66f4\u597d\u5730\u8868\u8fbe\u548c\u5c55\u793a\u8fd9\u4e2a\u653b\u51fb\u5411\u91cf\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff0c\u800c\u4e0d\u662f\u4ed6\u5728\u8fd9\u6b21\u6f14\u8bb2\u4e2d\u6240\u505a\u7684\uff0c\u6240\u4ee5\u6211\u4e0d\u6253\u7b97\u590d\u5236\u4ed6\u7684\u5185\u5bb9\u548c\u6587\u5b57\uff0c\u53ea\u662f\u6307\u5411<a href=\"https:\/\/www.youtube.com\/watch?v=UNpL5csYC1E#t=32m13s\">\u4ed6\u6f14\u8bb2\u7684\u7b2c32\u5206\u949f<\/a>\uff0c \u4ed6\u5f00\u59cb\u89e3\u91ca\u8fd9\u6b21\u88ad\u51fb\u3002\u4f60\u8fd8\u60f3\u770b\u770b<a href=\"https:\/\/www.youtube.com\/watch?v=UNpL5csYC1E#t=53m0s\">\u4ed6\u6f14\u8bb2\u7684\u7b2c53\u5206\u949f<\/a>\uff0c\u6f14\u793a\u4ed6\u7684\u5806\u55b7\u96fe\u653b\u51fb\u3002https:\/\/www.youtube.com\/embed\/UNpL5csYC1E?start=3180<\/p>\n\n\n\n<p>\u76f8\u540c\u7684\u903b\u8f91\u9002\u7528\u4e8e\u5176\u4ed6 ALPC \u6d88\u606f\u5c5e\u6027\uff0c\u4f8b\u5982\uff0c\u901a\u8fc7 ALPC \u53e5\u67c4\u5c5e\u6027<em>\u4ee5ALPC_MESSAGE_HANDLE_INFORMATION<\/em>\u53d1\u9001\u7684\u53e5\u67c4\u3002<\/p>\n\n\n\n<p>\u518d\u6b21\uff0c\u4e3a\u6b64\u7c7b\u653b\u51fb\u5bfb\u627e\u6613\u53d7\u653b\u51fb\u7684\u76ee\u6807\u662f\u4e00\u4e2a\u9010\u6848\u8c03\u67e5\u7684\u8fc7\u7a0b\uff0c\u5176\u4e2d\u5fc5\u987b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4f7f\u7528 ALPC \u901a\u4fe1\u67e5\u627e\uff08\u611f\u5174\u8da3\u7684\uff09\u8fdb\u7a0b<\/li><li>\u786e\u5b9a\u76ee\u6807\u8fdb\u7a0b\u5982\u4f55\u5904\u7406 ALPC \u6d88\u606f\u5c5e\u6027\uff0c\u5c24\u5176\u662f\u5728\u91ca\u653e ALPC \u6d88\u606f\u5c5e\u6027\u65f6<\/li><li>\u5bf9\u6ee5\u7528\u975e\u91ca\u653e\u8d44\u6e90\u7684\u9009\u9879\u8fdb\u884c\u521b\u610f\uff0c\u5176\u4e2d\u660e\u663e\u7684PoC\u9009\u9879\u662f\u8017\u5c3d\u8fdb\u7a0b\u5185\u5b58\u7a7a\u95f4<\/li><\/ul>\n\n\n\n<p>\u5f53\u7136\uff0c\u53e6\u4e00\u79cd\u6709\u6548\u7684\u65b9\u6cd5\u662f\u9009\u62e9\u4e00\u4e2a\u76ee\u6807\uff0c\u7136\u540e\u7528\u89c6\u56fe\uff08\u4f5c\u4e3a\u793a\u4f8b\uff09\u6df9\u6ca1\u5b83\uff0c\u4ee5\u68c0\u67e5\u7ed3\u679c\u662f\u5426\u5728\u76ee\u6807\u7684\u5730\u5740\u7a7a\u95f4\u4e2d\u5206\u914d\u4e86\u5927\u91cf\u5171\u4eab\u5185\u5b58\u533a\u57df\u3002\u68c0\u67e5\u8fdb\u7a0b\u5185\u5b58\u533a\u57df\u7684\u4e00\u4e2a\u6709\u7528\u5de5\u5177\u662f<a href=\"https:\/\/docs.microsoft.com\/en-us\/sysinternals\/\">\u6765\u81ea Sysinternals \u5957\u4ef6\u7684<\/a>&nbsp;<a href=\"https:\/\/docs.microsoft.com\/en-us\/sysinternals\/downloads\/vmmap\">VMMap<\/a>\uff0c\u8fd9\u662f\u6211\u5728\u4e0b\u9762\u7528\u4f5c PoC \u7684\u5de5\u5177\u3002<br>\u4f5c\u4e3a\u4e00\u4e2a\u4f8b\u5b50\uff0c\u6211\u752820kb\u7684\u89c6\u56fe\u6df9\u6ca1\u4e86\u6211\u7684ALPC\u793a\u4f8b\u670d\u52a1\u5668\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_Unfreed_Views.png\" alt=\"ALPC_Unfreed_Views.png\"><small>\u5185\u5b58\u55b7\u6d82\u6613\u53d7\u653b\u51fb\u7684 ALPC \u5e94\u7528\u7a0b\u5e8f<\/small><\/p>\n\n\n\n<p>\u8fd9\u786e\u5b9e\u6709\u6548\uff0c\u56e0\u4e3a\u6211\u6ca1\u6709\u8d39<em>\u5fc3\u53bb\u91ca\u653e<\/em>\u6211\u7684\u793a\u4f8bALPC\u670d\u52a1\u5668<em>\u4e2d\u7684\u4efb\u4f55\u5206\u914d\u5c5e\u6027<\/em>\u3002<br>\u6211\u8fd8\u968f\u673a\u6311\u9009\u4e86\u4e00\u4e9b &#8211;&nbsp;<em>\u6bd4\u5982\u56db\u4e94<\/em>\u4e2a &#8211; \u5fae\u8f6f\u7684ALPC\u6d41\u7a0b\uff08\u6211\u4f7f\u7528\u4e0a\u9762\u663e\u793a\u7684\u6280\u672f\u8bc6\u522b\uff09\uff0c\u4f46\u6211\u9009\u62e9\u7684\u90a3\u4e9b\u4f3c\u4e4e\u5e76\u6ca1\u6709\u72af\u540c\u6837\u7684\u9519\u8bef\u3002<br>\u8001\u5b9e\u8bf4\uff0c\u4e3a\u6b64\u68c0\u67e5\u66f4\u591a\u8fdb\u7a0b\u53ef\u80fd\u662f\u6709\u4ef7\u503c\u7684\uff0c\u4f46\u636e\u6211\u6240\u77e5\uff0c\u9664\u4e86\u4f7f\u8fdb\u7a0b\u5d29\u6e83\u4e4b\u5916\uff0c\u6211\u5bf9\u8fd9\u79cd\u9519\u8bef\u6ca1\u6709\u4efb\u4f55\u7528\u5904\uff0c\u5982\u679c\u8fdb\u7a0b\u8db3\u591f\u4e25\u91cd\uff0c\u4e5f\u53ef\u80fd\u4f1a\u4f7f\u64cd\u4f5c\u7cfb\u7edf\u5d29\u6e83\uff08\u62d2\u7edd\u670d\u52a1\uff09\u3002<\/p>\n\n\n\n<p><strong>\u6709\u8da3\u7684\u65c1\u6ce8<\/strong>\uff1a<br>\u5728\u4ed6\u7684\u6f14\u8bb2<a href=\"https:\/\/twitter.com\/aionescu\">\u4e2d\uff0cAlex Ionescu<\/a>\u63d0\u5230Windows\u5185\u5b58\u7ba1\u7406\u5668\u572864kb\u8fb9\u754c\u4e0a\u5206\u914d\u5185\u5b58\u533a\u57df\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u5f53\u60a8\u5206\u914d\u5185\u5b58\u65f6\uff0c\u5185\u5b58\u7ba1\u7406\u5668\u90fd\u4f1a\u5c06\u6b64\u5185\u5b58\u653e\u5728\u4e0b\u4e00\u4e2a\u53ef\u7528\u768464kb\u5757\u7684\u5f00\u5934\u3002\u4f5c\u4e3a\u653b\u51fb\u8005\uff0c\u5b83\u5141\u8bb8\u60a8\u521b\u5efa\u548c\u6620\u5c04\u4efb\u610f\u5927\u5c0f\u7684\u89c6\u56fe\uff08\u6700\u597d\u5c0f\u4e8e64kb\u4ee5\u4f7f\u5185\u5b58\u8017\u5c3d\u6548\u7387\uff09\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c06\u6620\u5c04\u670d\u52a1\u5668\u5185\u5b58\u4e2d\u7684\u89c6\u56fe\u5e76\u5c0664kb-YourViewSize\u6807\u8bb0\u4e3a\u4e0d\u53ef\u7528\u7684\u5185\u5b58\uff0c\u56e0\u4e3a\u5b83\u9700\u8981\u5c06\u6240\u6709\u5185\u5b58\u5206\u914d\u5bf9\u9f50\u523064kb\u8fb9\u754c\u3002\u4f60\u60f3\u770b\u5230<a href=\"https:\/\/www.youtube.com\/watch?v=UNpL5csYC1E#t=54m43s\">\u4e9a\u5386\u514b\u65af\u6f14\u8bb2\u7684\u7b2c54\u5206\u949f<\/a>\uff0c\u4ee5\u83b7\u5f97\u8fd9\u79cd\u6548\u679c\u7684\u89c6\u89c9\u548c\u53e3\u5934\u89e3\u91ca\u3002<br><a href=\"https:\/\/twitter.com\/ChenCravat\">Raymond Chen<\/a><a href=\"https:\/\/devblogs.microsoft.com\/oldnewthing\/20031008-00\/?p=42223\">\u5728\u8fd9\u91cc<\/a>\u89e3\u91ca\u4e8664kb\u7c92\u5ea6\u80cc\u540e\u7684\u539f\u56e0\u3002<\/p>\n\n\n\n<p>\u5728\u4e00\u5929\u7ed3\u675f\u65f6\uff0c\u5185\u5b58\u8017\u5c3d\u653b\u51fb\u5f53\u7136\u4e0d\u662f\u4f7f\u7528\u5185\u5b58\/\u5806\u55b7\u96fe\u539f\u8bed\u7684\u552f\u4e00\u53ef\u884c\u9009\u62e9\uff0c\u6bd4\u6211\u806a\u660e\u7684\u4eba\u53ef\u4ee5\u5c06\u5176\u53d8\u6210\u6f0f\u6d1e\u5229\u7528\u8def\u5f84&#8230;&#8230;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclousion\">\u51dd\u805a<\/h2>\n\n\n\n<p>ALPC\u662f\u65e0\u6587\u6863\u8bb0\u5f55\u7684\uff0c\u5e76\u4e14\u76f8\u5f53\u590d\u6742\uff0c\u4f46\u4f5c\u4e3a\u4e00\u4e2a\u6fc0\u52b1\u6027\u7684\u597d\u5904\uff1aALPC\u5185\u90e8\u7684\u6f0f\u6d1e\u53ef\u4ee5\u53d8\u5f97\u975e\u5e38\u5f3a\u5927\uff0c\u56e0\u4e3aALPC\u5728Windows\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u65e0\u5904\u4e0d\u5728\uff0c\u6240\u6709\u5185\u7f6e\u7684\u9ad8\u7279\u6743\u8fdb\u7a0b\u90fd\u4f7f\u7528ALPC\uff0c\u5e76\u4e14\u7531\u4e8e\u5176\u901a\u4fe1\u67b6\u6784\uff0c\u5373\u4f7f\u4ece\u6c99\u7bb1\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u5b83\u4e5f\u662f\u4e00\u4e2a\u6709\u5438\u5f15\u529b\u7684\u76ee\u6807\u3002<\/p>\n\n\n\n<p>ALPC\u7684\u5185\u5bb9\u6bd4\u6211\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u4ecb\u7ecd\u7684\u8981\u591a\u5f97\u591a\u3002\u4e5f\u8bb8\u53ef\u4ee5\u5199\u4e00\u672c\u5173\u4e8eALPC\u7684\u4e66\uff0c\u4f46\u6211\u5e0c\u671b\u81f3\u5c11\u80fd\u89e6\u53ca\u57fa\u7840\u77e5\u8bc6\uff0c\u8ba9\u4f60\u5f00\u59cb\u5bf9ALPC\u611f\u5174\u8da3\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u83b7\u5f97\u7b2c\u4e00\u4e2a\u201cALPC\u5728\u6211\u7684PC\u4e2d\u7684\u4f4d\u7f6e\u548c\u6570\u91cf\u201d\u7684\u5370\u8c61\uff0c\u6211\u5efa\u8bae\u5728\u4e3b\u673a\u4e0a\u542f\u52a8<a href=\"https:\/\/github.com\/zodiacon\/ProcMonXv2\">ProcMonXv2<\/a>\uff08\u901a\u8fc7<a href=\"https:\/\/twitter.com\/zodiacon\">zodiacon<\/a>\uff09\uff0c\u4ee5\u4fbf\u5728\u51e0\u79d2\u949f\u5185\u770b\u5230\u6570\u5343\u4e2aALPC\u4e8b\u4ef6\u89e6\u53d1\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" src=\"https:\/\/csandker.io\/public\/img\/2022-05-24-Offensive-Windows-IPC-3-ALPC\/ALPC_via_ProcMonXv2.png\" alt=\"ALPC via ProcMonXv2\"><small>\u4f7f\u7528 ProcMonXv2 \u8bc6\u522b ALPC \u901a\u4fe1<\/small><\/p>\n\n\n\n<p>\u4ece\u90a3\u91cc\u7ee7\u7eed\uff0c\u60a8\u53ef\u80fd\u4f1a\u53d1\u73b0\u6211\u7684<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/tree\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\">ALPC\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4ee3\u7801<\/a>\u5bf9\u4e8e\u4f7f\u7528ALPC\u8fdb\u7a0b\u4ee5\u53ca\u8bc6\u522b\u548c\u5229\u7528ALPC\u4e2d\u7684\u6f0f\u6d1e\u975e\u5e38\u6709\u7528\u3002\u5982\u679c\u60a8\u53d1\u73b0\u81ea\u5df1\u6b63\u5728\u7f16\u7801\u548c\/\u6216\u8c03\u67e5ALPC\uff0c\u8bf7\u52a1\u5fc5\u67e5\u770b<a href=\"https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows-IPC-3-ALPC.html#references\">\u53c2\u8003<\/a>\u90e8\u5206\uff0c\u4ee5\u83b7\u53d6\u6709\u5173\u5176\u4ed6\u4eba\u5982\u4f55\u5904\u7406ALPC\u7684\u610f\u89c1\u3002<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u4f5c\u4e3a\u6700\u540e\u4e00\u53e5\u8bdd\uff0c\u4ece\u4e00\u5f00\u59cb\u5c31\u7ed3\u675f\u6211\u7684\u5efa\u8bae\uff1a\u5982\u679c\u4f60\u89c9\u5f97\u4f60\u53ef\u4ee5\u542c\u5230\u53e6\u4e00\u79cd\u58f0\u97f3\u548c\u5bf9ALPC\u7684\u770b\u6cd5\uff0c\u6211\u5f3a\u70c8\u5efa\u8bae\u4f60\u518d\u559d\u4e00\u676f\u996e\u6599\uff0c\u4eab\u53d7\u63a5\u4e0b\u6765\u4e00\u4e2a\u5c0f\u65f6\u7684<a href=\"https:\/\/twitter.com\/aionescu\">Alex Ionescu<\/a>\u8c08\u8bbaLPC\uff0cRPC\u548cALPC\uff1ahttps:\/\/www.youtube.com\/embed\/UNpL5csYC1E<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"appendix-a-the-use-of-connection-and-communication-ports\">\u9644\u5f55A\uff1a\u8fde\u63a5\u548c\u901a\u4fe1\u7aef\u53e3\u7684\u4f7f\u7528<\/h2>\n\n\n\n<p>\u5728\u7814\u7a76ALPC\u65f6\uff0c\u6211\u6700\u521d\u8ba4\u4e3a\u670d\u52a1\u5668\u4fa6\u542c\u5176<strong>\u901a\u4fe1\u7aef\u53e3<\/strong>\uff0c\u5f53\u5b83\u901a\u8fc7<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L307-L320\">NtAlpcConnectPort<\/a>\u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\u65f6\uff0c\u5b83\u4f1a\u63a5\u6536\u8be5\u7aef\u53e3\u3002\u8fd9\u662f\u6709\u9053\u7406\u7684\uff0c\u56e0\u4e3a\u5b83\u88ab\u79f0\u4e3a\u901a\u4fe1\u7aef\u53e3\u3002\u4f46\u662f\uff0c\u4fa6\u542c\u670d\u52a1\u5668\u901a\u4fe1\u7aef\u53e3\u4e0a\u7684\u4f20\u5165\u6d88\u606f\u4f1a\u5bfc\u81f4\u5bf9&nbsp;<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L322-L332\">NtAlpcSendWaitReceivePort<\/a>&nbsp;\u7684\u963b\u585e\u8c03\u7528\uff0c\u8be5\u8c03\u7528\u4ece\u672a\u8fd4\u56de\u6d88\u606f\u3002<br>\u56e0\u6b64\uff0c\u6211\u5bf9\u670d\u52a1\u5668\u7684ALPC<em>\u901a\u4fe1<\/em>\u7aef\u53e3\u7684\u5047\u8bbe\u80af\u5b9a\u662f\u9519\u8bef\u7684\uff0c\u8fd9\u8ba9\u6211\u611f\u5230\u56f0\u60d1\uff0c\u56e0\u4e3a\u53e6\u4e00\u7aef\u7684\u5ba2\u6237\u7aef\u786e\u5b9e\u5728\u4ed6\u7684\u901a\u4fe1\u7aef\u53e3\u4e0a\u83b7\u53d6\u6d88\u606f\u3002\u6211\u5728\u8fd9\u4e2a\u95ee\u9898\u4e0a\u575a\u6301\u4e86\u4e00\u6bb5\u65f6\u95f4\uff0c\u76f4\u5230\u6211\u8054\u7cfb<a href=\"https:\/\/twitter.com\/aionescu\">\u4e86Alex Ionescu<\/a>\u8be2\u95ee\u4ed6\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4e86\u89e3\u5230\u6211\u7684\u5047\u8bbe\u786e\u5b9e\u662f\u4e0d\u6b63\u786e\u7684\uff0c\u4f46\u66f4\u786e\u5207\u5730\u8bf4\uff0c\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u5b83\u5df2\u7ecf\u53d8\u5f97\u4e0d\u6b63\u786e\uff1aAlex\u5411\u6211\u89e3\u91ca\u8bf4\uff0c\u6211\u7684\u60f3\u6cd5\uff08\u670d\u52a1\u5668\u5728\u5176\u901a\u4fe1\u7aef\u53e3\u4e0a\u6536\u542c\u548c\u53d1\u9001\u6d88\u606f\uff09\u662fLPC\uff08ALPC\u7684\u524d\u8eab\uff09\u8bbe\u8ba1\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002\u4f46\u662f\uff0c\u8fd9\u79cd\u8bbe\u8ba1\u5c06\u8feb\u4f7f\u60a8\u4e0e\u670d\u52a1\u5668\u63a5\u53d7\u7684\u6bcf\u4e2a\u65b0\u5ba2\u6237\u7aef\u4e00\u8d77\u76d1\u542c\u8d8a\u6765\u8d8a\u591a\u7684\u901a\u4fe1\u7aef\u53e3\u3002\u60f3\u8c61\u4e00\u4e0b\uff0c\u4e00\u53f0\u670d\u52a1\u5668\u6709100\u4e2a\u5ba2\u6237\u7aef\u4e0e\u5b83\u901a\u4fe1\uff0c\u7136\u540e\u670d\u52a1\u5668\u9700\u8981\u4fa6\u542c100\u4e2a\u901a\u4fe1\u7aef\u53e3\u4ee5\u83b7\u53d6\u5ba2\u6237\u7aef\u6d88\u606f\uff0c\u8fd9\u901a\u5e38\u4f1a\u5bfc\u81f4\u521b\u5efa100\u4e2a\u7ebf\u7a0b\uff0c\u5176\u4e2d\u6bcf\u4e2a\u7ebf\u7a0b\u5c06\u4e0e\u4e0d\u540c\u7684\u5ba2\u6237\u7aef\u8fdb\u884c\u901a\u4fe1\u3002\u8fd9\u88ab\u8ba4\u4e3a\u662f\u4f4e\u6548\u7684\uff0c\u4e00\u4e2a\u66f4\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\u662f\u5728\u670d\u52a1\u5668\u7684\u8fde\u63a5\u7aef\u53e3\u4e0a\u8ba9\u5355\u4e2a\u7ebf\u7a0b\u76d1\u542c\uff08\u548c\u53d1\u9001\uff09\uff0c\u5176\u4e2d\u6240\u6709\u6d88\u606f\u90fd\u53d1\u9001\u5230\u6b64\u8fde\u63a5\u7aef\u53e3\u3002<br>\u8fd9\u53cd\u8fc7\u6765\u610f\u5473\u7740\uff1a\u670d\u52a1\u5668\u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c\u63a5\u6536\u5ba2\u6237\u7aef\u901a\u4fe1\u7aef\u53e3\u7684\u53e5\u67c4\uff0c\u4f46\u5728\u8c03\u7528<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L322-L332\">NtAlpcSendWaitReceivePort<\/a>\u65f6\u4ecd\u7136\u4f7f\u7528\u670d\u52a1\u5668\u7684\u8fde\u63a5\u7aef\u53e3\u53e5\u67c4\uff0c\u4ee5\u4fbf\u4ece\u6240\u6709\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u3002<\/p>\n\n\n\n<p>\u8fd9\u662f\u5426\u610f\u5473\u7740\u670d\u52a1\u5668\u7684\u901a\u4fe1\u7aef\u53e3\u5df2\u7ecf\u8fc7\u65f6\u4e86\uff08\u8fd9\u662f\u6211\u5411<a href=\"https:\/\/twitter.com\/aionescu\">Alex<\/a>\u63d0\u51fa\u7684\u540e\u7eed\u95ee\u9898\uff09\uff1f\u4ed6\u7684\u56de\u7b54\u518d\u6b21\u5b8c\u5168\u6709\u610f\u4e49\uff0c\u5e76\u6e05\u9664\u4e86\u6211\u5bf9ALPC\u7684\u7406\u89e3\uff1a\u64cd\u4f5c\u7cfb\u7edf\u5728\u5185\u90e8\u4f7f\u7528\u670d\u52a1\u5668\u7684\u6bcf\u4e2a\u5ba2\u6237\u7aef\u901a\u4fe1\u7aef\u53e3\u5c06\u7279\u5b9a\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6d88\u606f\u7ed1\u5b9a\u5230\u8be5\u5ba2\u6237\u7aef\u7684\u7279\u5b9a\u901a\u4fe1\u7aef\u53e3\u3002\u8fd9\u5141\u8bb8\u64cd\u4f5c\u7cfb\u7edf\u5c06\u7279\u6b8a\u7684\u4e0a\u4e0b\u6587\u7ed3\u6784\u7ed1\u5b9a\u5230\u53ef\u7528\u4e8e\u6807\u8bc6\u5ba2\u6237\u7aef\u7684\u6bcf\u4e2a\u5ba2\u6237\u7aef\u901a\u4fe1\u7aef\u53e3\u3002\u8fd9\u79cd\u7279\u6b8a\u7684\u4e0a\u4e0b\u6587\u7ed3\u6784\u662f&nbsp;<em>PortContext<\/em>\uff0c\u5b83\u53ef\u4ee5\u662f\u4efb\u610f\u7ed3\u6784\uff0c\u53ef\u4ee5\u4f20\u9012\u7ed9&nbsp;<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L307-L320\">NtAlpcAcceptConnectPort<\/a>\uff0c\u4ee5\u540e\u53ef\u4ee5\u4ece\u5177\u6709&nbsp;<em>ALPC_CONTEXT_ATTR<\/em>&nbsp;\u6d88\u606f\u5c5e\u6027\u7684 any \u6d88\u606f\u4e2d\u63d0\u53d6\u3002<br>\u8fd9\u610f\u5473\u7740\uff1a\u5f53\u670d\u52a1\u5668\u4fa6\u542c\u5176\u8fde\u63a5\u7aef\u53e3\u65f6\uff0c\u5b83\u4f1a\u4ece\u6240\u6709\u5ba2\u6237\u7aef\u63a5\u6536\u6d88\u606f\uff0c\u4f46\u662f\u5982\u679c\u5b83\u60f3\u77e5\u9053\u54ea\u4e2a\u5ba2\u6237\u7aef\u53d1\u9001\u6d88\u606f\uff0c\u670d\u52a1\u5668\u53ef\u4ee5\u83b7\u53d6\u7aef\u53e3\u4e0a\u4e0b\u6587\u7ed3\u6784\uff08\u901a\u8fc7<em>ALPC_CONTEXT_ATTR<\/em>\u6d88\u606f\u5c5e\u6027\uff09\uff0c\u8be5\u7ed3\u6784\u5728\u63a5\u53d7\u8fde\u63a5\u65f6\u5206\u914d\u7ed9\u6b64\u5ba2\u6237\u7aef\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c06\u4ece\u5185\u90e8\u4fdd\u7559\u7684\u5ba2\u6237\u7aef\u901a\u4fe1\u7aef\u53e3\u83b7\u53d6\u8be5\u4e0a\u4e0b\u6587\u7ed3\u6784\u3002<\/p>\n\n\n\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u7ed3\u8bba\uff0c\u670d\u52a1\u5668\u7684\u6bcf\u5ba2\u6237\u7aef\u901a\u4fe1\u7aef\u53e3\u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u4ecd\u7136\u5f88\u91cd\u8981\uff0c\u5e76\u4e14\u5728ALPC\u901a\u4fe1\u7ed3\u6784\u4e2d\u4ecd\u7136\u5177\u6709\u5176\u4f4d\u7f6e\u548c\u4f5c\u7528\u3002\u4f46\u662f\uff0c\u8fd9\u5e76\u6ca1\u6709\u56de\u7b54\u4e3a\u4ec0\u4e48\u670d\u52a1\u5668\u5b9e\u9645\u4e0a\u9700\u8981\u6bcf\u4e2a\u5ba2\u6237\u7aef\u901a\u4fe1\u7aef\u53e3\u7684\u53e5\u67c4\u7684\u95ee\u9898\uff08\u56e0\u4e3a\u53ef\u4ee5\u4ece\u6d88\u606f\u4e2d\u63d0\u53d6\u5ba2\u6237\u7aef\u7684<em>PortContext<\/em>\uff0c\u8be5\u6d88\u606f\u662f\u901a\u8fc7\u4f7f\u7528\u8fde\u63a5\u7aef\u53e3\u53e5\u67c4\u63a5\u6536\u7684\uff09\u3002<br>\u8fd9\u91cc\u7684\u7b54\u6848\u662f<strong>\u5192\u5145<\/strong>\u3002\u5f53\u670d\u52a1\u5668\u60f3\u8981\u6a21\u62df\u5ba2\u6237\u7aef\u65f6\uff0c\u5b83\u9700\u8981\u5c06\u5ba2\u6237\u7aef\u7684\u901a\u4fe1\u7aef\u53e3\u4f20\u9012\u5230<a href=\"https:\/\/github.com\/csandker\/InterProcessCommunication-Samples\/blob\/master\/ALPC\/CPP-ALPC-Basic-Client-Server\/CPP-Util\/ALPC.h#L352-L357\">NtAlpcImpersonateClientOfPort<\/a>\u3002\u8fd9\u6837\u505a\u7684\u539f\u56e0\u662f\uff0c\u6267\u884c\u6a21\u62df\u6240\u9700\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\u4fe1\u606f\u5df2\u7ed1\u5b9a\uff08\u5982\u679c\u5ba2\u6237\u7aef\u5141\u8bb8\uff09\u5230\u5ba2\u6237\u7aef\u7684\u901a\u4fe1\u7aef\u53e3\u3002\u5c06\u8fd9\u4e9b\u4fe1\u606f\u9644\u52a0\u5230\u8fde\u63a5\u7aef\u53e3\u662f\u6ca1\u6709\u610f\u4e49\u7684\uff0c\u56e0\u4e3a\u6240\u6709\u5ba2\u6237\u7aef\u90fd\u4f7f\u7528\u6b64\u8fde\u63a5\u7aef\u53e3\uff0c\u800c\u6bcf\u4e2a\u5ba2\u6237\u7aef\u5bf9\u4e8e\u6bcf\u4e2a\u670d\u52a1\u5668\u90fd\u6709\u81ea\u5df1\u552f\u4e00\u7684\u901a\u4fe1\u7aef\u53e3\u3002<br>\u56e0\u6b64\uff1a\u5982\u679c\u8981\u6a21\u62df\u5ba2\u6237\u7aef\uff0c\u5219\u9700\u8981\u4fdd\u7559\u6bcf\u4e2a\u5ba2\u6237\u7aef\u7684\u901a\u4fe1\u7aef\u53e3\u53e5\u67c4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"references\">\u5f15\u7528<\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u6211\u53d1\u73b0\u6709\u52a9\u4e8e\u5b66\u4e60\u548c\u6df1\u5165\u7814\u7a76ALPC\u7684\u4e00\u4e9b\u8d44\u6e90\u3002<\/p>\n\n\n\n<p><strong>\u5229\u7528 ALPC \u7684\u53c2\u8003\u9879\u76ee<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/github.com\/microsoft\/terminal\/blob\/main\/src\/interactivity\/onecore\/ConIoSrvComm.cpp\">https:\/\/github.com\/microsoft\/terminal\/blob\/main\/src\/interactivity\/onecore\/ConIoSrvComm.cpp<\/a><\/li><li><a href=\"https:\/\/github.com\/DownWithUp\/ALPC-Example\">https:\/\/github.com\/DownWithUp\/ALPC-Example<\/a><\/li><li><a href=\"https:\/\/github.com\/DynamoRIO\/drmemory\">https:\/\/github.com\/DynamoRIO\/drmemory<\/a><\/li><li><a href=\"https:\/\/github.com\/hakril\/PythonForWindows\">https:\/\/github.com\/hakril\/PythonForWindows<\/a><\/li><li><a href=\"https:\/\/docs.rs\/\">https:\/\/docs.rs\/<\/a><\/li><li><a href=\"https:\/\/github.com\/googleprojectzero\/sandbox-attacksurface-analysis-tools\">https:\/\/github.com\/googleprojectzero\/sandbox-attacksurface-analysis-tools<\/a><\/li><li><a href=\"https:\/\/processhacker.sourceforge.io\/doc\/ntlpcapi_8h.html\">https:\/\/processhacker.sourceforge.io\/doc\/ntlpcapi_8h.html<\/a><\/li><li><a href=\"https:\/\/github.com\/bnagy\/w32\">https:\/\/github.com\/bnagy\/w32<\/a><\/li><li><a href=\"https:\/\/github.com\/taviso\/ctftool\">https:\/\/github.com\/taviso\/ctftool<\/a><\/li><\/ul>\n\n\n\n<p><strong>\u5bf9 ALPC \u5b9e\u65bd\u7ec6\u8282\u7684\u5f15\u7528<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/github.com\/googleprojectzero\/sandbox-attacksurface-analysis-tools\/blob\/main\/NtApiDotNet\/NtAlpcNative.cs\">https:\/\/github.com\/googleprojectzero\/sandbox-attacksurface-analysis-tools\/blob\/main\/NtApiDotNet\/NtAlpcNative.cs<\/a><\/li><li><a href=\"https:\/\/processhacker.sourceforge.io\/doc\/ntlpcapi_8h.html#a10ebe9ef7db909fbe2f152fb82a352bf\">https:\/\/processhacker.sourceforge.io\/doc\/ntlpcapi_8h.html<\/a><\/li><li><a href=\"https:\/\/github.com\/hakril\/PythonForWindows\/blob\/master\/windows\/generated_def\/windef.py\">https:\/\/github.com\/hakril\/PythonForWindows\/blob\/master\/windows\/generated_def\/windef.py<\/a><\/li><\/ul>\n\n\n\n<p><strong>\u8c08\u8bbaALPC<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.youtube.com\/watch?v=UNpL5csYC1E\">Youtube: SyScan&#8217;14 Singapore: All About The Rpc, Lrpc, Alpc, And Lpc In Your Pc By Alex Ionescu<\/a><\/li><li><a href=\"https:\/\/infocon.org\/cons\/SyScan\/SyScan%202014%20Singapore\/SyScan%202014%20presentations\/SyScan2014_AlexIonescu_AllabouttheRPCLRPCALPCandLPCinyourPC.pdf\">\u5e7b\u706f\u7247\uff1aSyScan&#8217;14 \u65b0\u52a0\u5761\uff1a\u5173\u4e8e\u60a8 PC \u4e2d\u7684 Rpc\u3001Lrpc\u3001Alpc \u548c Lpc \u7684\u4e00\u5207\uff0c\u4f5c\u8005\uff1aAlex Ionescu<\/a><\/li><li><a href=\"https:\/\/www.youtube.com\/watch?v=D-F5RxZ_yXc\">Youtube\uff1a Hack.lu 2017 Clement Rouault \u548c Thomas Imbert \u5bf9 ALPC-RPC \u7684\u89c2\u5bdf<\/a><\/li><li><a href=\"https:\/\/conference.hitb.org\/hitbsecconf2014kul\/materials\/D2T1%20-%20Ben%20Nagy%20-%20ALPC%20Fuzzing%20Toolkit.pdf\">\u5e7b\u706f\u7247\uff1aALPC \u6a21\u7cca\u6d4b\u8bd5\u5de5\u5177\u5305<\/a><\/li><\/ul>\n\n\n\n<p><strong>LPC \u53c2\u8003<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/github.com\/avalon1610\/LPC\">https:\/\/github.com\/avalon1610\/LPC<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u8fde\u63a5\uff1a https:\/\/csandker.io\/2022\/05\/24\/Offensive-Windows- [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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