{"id":350,"date":"2022-07-18T12:10:52","date_gmt":"2022-07-18T04:10:52","guid":{"rendered":"http:\/\/www.aqwu.net\/wp\/?p=350"},"modified":"2022-07-18T12:10:52","modified_gmt":"2022-07-18T04:10:52","slug":"ios-arm64-%e4%b8%8a%e7%9a%84%e5%a0%86%e6%ba%a2%e5%87%ba%ef%bc%9a%e5%a0%86%e6%95%b4%e7%90%86%ef%bc%8c%e9%87%8a%e6%94%be%e5%90%8e%e4%bd%bf%e7%94%a8%ef%bc%88%e7%ac%ac-3-%e9%83%a8%e5%88%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.aqwu.net\/wp\/?p=350","title":{"rendered":"iOS ARM64 \u4e0a\u7684\u5806\u6ea2\u51fa\uff1a\u5806\u6574\u7406\uff0c\u91ca\u653e\u540e\u4f7f\u7528\uff08\u7b2c 3 \u90e8\u5206\uff09"},"content":{"rendered":"\n<p>\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/www.inversecos.com\/2022\/07\/heap-overflows-on-ios-arm64-heap.html<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEhIMr2yftYRYAA1M0OdFCbz-lXqGlBR9MVRSyBIK2qbTQGZaSZAaNq6pENYaxcQTHHNV7SqaEG9390dfhEu1Eh5gunp-Kyhdc0ilwqgQCZAJedrAc-QYTwTrtjkHxUtQHIKvOWAGtUEVYf-jyIaryikkij7nkmrm_lqV5teilVKlatKNC4ScRDDqpQP6g\/s16000\/Screen%20Shot%202022-07-11%20at%201.18.46%20pm.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><a href=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEhIMr2yftYRYAA1M0OdFCbz-lXqGlBR9MVRSyBIK2qbTQGZaSZAaNq6pENYaxcQTHHNV7SqaEG9390dfhEu1Eh5gunp-Kyhdc0ilwqgQCZAJedrAc-QYTwTrtjkHxUtQHIKvOWAGtUEVYf-jyIaryikkij7nkmrm_lqV5teilVKlatKNC4ScRDDqpQP6g\/s2730\/Screen%20Shot%202022-07-11%20at%201.18.46%20pm.png\"><\/a><\/p>\n\n\n\n<p><strong>\u6b22\u8fce\u56de\u5230\u6211\u7684iOS arm64\u5f00\u53d1\u7cfb\u5217\u7684\u7b2c3\u90e8\u5206\uff01<br><br><\/strong>\u5982\u679c\u60a8\u9519\u8fc7\u4e86\u672c\u7cfb\u5217\u4e2d\u7684\u535a\u5ba2\uff0c\u8bf7\u67e5\u770b\u4e0b\u9762\u7684^_^<br><a href=\"http:\/\/www.aqwu.net\/wp\/?p=342\">\u521d\u5b66\u8005\u5982\u4f55\u5bf9iOS\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u9006\u5411\u5de5\u7a0b\u548c\u4fee\u8865\uff1a\u7b2c1\u90e8\u5206<\/a><br><a href=\"http:\/\/www.aqwu.net\/wp\/?p=344\">\u9006\u5411\u548c\u5229\u7528 iOS \u4e8c\u8fdb\u5236\u6587\u4ef6\u6307\u5357\u7b2c 2 \u90e8\u5206\uff1aARM64 ROP \u94fe<\/a><\/p>\n\n\n\n<p><strong>\u4ecb\u7ecd<br><\/strong>\u6211\u4eec\u5df2\u7ecf\u5728 ARM64 \u4e0a\u7ecf\u5386\u4e86 iOS \u6302\u94a9\u3001\u7f13\u51b2\u533a\u6ea2\u51fa\u548c\u7b80\u5355\u7684 ROP \u94fe\u3002\u73b0\u5728\u662f\u65f6\u5019\u8ba8\u8bba\u5806\u6ea2\u51fa\u548c\u5229\u7528\u91ca\u653e\u540e\u4f7f\u7528\uff08UAF\uff09\u9519\u8bef\u4e86\u3002\u672c\u535a\u5ba2\u7684\u76ee\u7684\u662f\u5411\u60a8\u5c55\u793a\u5982\u4f55\u5229\u7528UAF\u9519\u8bef\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a\u201c\u6076\u610f\u201d\u5185\u5bb9\u3002\u6211\u5c06\u9010\u6b65\u5f15\u5bfc\u60a8\u5b8c\u6210\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5982\u4f55\u8bc6\u522b UAF \u9519\u8bef<\/li><li>\u5982\u4f55\u9759\u6001\u5206\u6790\u4e8c\u8fdb\u5236\u6587\u4ef6\u4ee5\u627e\u51fa\u5982\u4f55\u6267\u884c\u5229\u7528<\/li><li>\u5806\u6ea2\u51fa\u903b\u8f91<\/li><li>\u5806\u68b3\u7406<\/li><li>\u5145\u5206\u5229\u7528<\/li><\/ul>\n\n\n\n<p>\u4e0e\u5f80\u5e38\u4e00\u6837\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u5f00\u6e90\u5de5\u5177\u6765\u6267\u884c\u6b64\u64cd\u4f5c\uff0c\u6211\u5df2\u7ecf\u7f16\u8bd1\uff0c\u7b7e\u540d\u5e76\u4e0a\u4f20\u4e86\u6211\u4eec\u5c06\u7528\u4e8e\u672c\u7ec3\u4e60\u7684\u7ec3\u4e60\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u6211\u8fd8\u4e3a\u90a3\u4e9b\u60f3\u8981\u9605\u8bfb\u5b83\u7684\u4eba\u4e0a\u4f20\u4e86\u6e90\u4ee3\u7801\u3002\u6240\u6709\u8fd9\u4e9b\u90fd\u53ef\u4f9b\u60a8\u5728\u6211\u7684Github\u4e0a\u4e0b\u8f7d\uff1a<\/p>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/github.com\/inversecos\/ios-moneymachine\" target=\"_blank\">\u4ece GitHub \u4e0b\u8f7d\u7ec3\u4e60\u4e8c\u8fdb\u5236\u201c<a rel=\"noreferrer noopener\" href=\"https:\/\/github.com\/inversecos\/ios-moneymachine\" target=\"_blank\">moneymachine<\/a>\u201d \u8fd9\u91cc<\/a><\/p>\n\n\n\n<p>\u672c\u535a\u5ba2\u5206\u4e3a\u4e94\u4e2a\u90e8\u5206\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u9ad8\u7ea7\u6f14\u7ec3\u6b65\u9aa4<\/li><li>\u7ec3\u4e60\u4e8c\u8fdb\u5236\u7b80\u4ecb<\/li><li>\u4f7f\u7528 Radare2 \u5bf9\u4e8c\u8fdb\u5236\u6587\u4ef6\u8fdb\u884c\u9759\u6001\u5206\u6790<\/li><li>ARM64 \u5806\u6ea2\u51fa<\/li><li>\u8d44\u6e90<br><\/li><\/ul>\n\n\n\n<p><strong>\u9ad8\u7ea7\u6b65\u9aa4<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e9b\u662f\u6211\u4eec\u5c06\u5728\u8fd9\u9879\u5de5\u4f5c\u4e2d\u91c7\u53d6\u7684\u9ad8\u7ea7\u522b\u6b65\u9aa4\uff0c\u6211\u5c06\u8be6\u7ec6\u89e3\u91ca\u6bcf\u4e00\u4e2a\u6b65\u9aa4\u3002\u5982\u679c\u7ec6\u8282\u4e0d\u662f\u4f60\u7684\u4e1c\u897f\uff0c\u90a3\u4e48\u53ea\u9700\u5077\u770b\u6211\u7684YouTube\u89c6\u9891\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u901a\u8fc7 SFTP \u5c06\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e0a\u4f20\u5230\u8d8a\u72f1\u7684 iOS \u8bbe\u5907\u5230 \/var\/mobile \u76ee\u5f55\u3002\u6211\u6b63\u5728\u8fd0\u884c\u4e00\u4e2a\u540d\u4e3a\u201choneypot\u201d\u7684\u8d8a\u72f1iOS 14\u8bbe\u5907<\/li><li>\u901a\u8fc7\u73a9\u8f6c\u7a0b\u5e8f\u67e5\u627e UAF \u6f0f\u6d1e<\/li><li>\u4f7f\u7528 R2 \u9759\u6001\u5206\u6790\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u4ee5\u627e\u5230\u6211\u4eec\u53ef\u4ee5\u64cd\u4f5c\u7684\u4efb\u4f55\u6709\u610f\u4e49\u7684\u51fd\u6570<\/li><li>\u4f7f\u7528 LLDB \u5728 iOS \u8bbe\u5907\u4e0a\u8bbe\u7f6e\u8fdc\u7a0b\u8c03\u8bd5\u4f1a\u8bdd<\/li><li>\u8c03\u8bd5\u4e8c\u8fdb\u5236\u6587\u4ef6\u5e76\u5728\u5185\u5b58\u5206\u914d\u540e\u8bbe\u7f6e\u65ad\u70b9\uff0c\u4ee5\u83b7\u53d6\u5bf9\u8c61\u5c06\u5206\u914d\u5230\u7684\u5806\u5730\u5740<\/li><li>\u901a\u8fc7\u586b\u5145\u5806\u533a\u57df\u6765\u6267\u884c\u5806\u6574\u7406\uff0c\u76f4\u5230\u6e05\u7a7a\u6240\u6709\u53ef\u7528\u5217\u8868\uff0c\u5e76\u4e14\u552f\u4e00\u8981\u5199\u5165\u7684\u201cfree gap\u201d\u662f\u5806\u4e0a\u7684\u521d\u59cb\u91ca\u653e\u5bf9\u8c61<\/li><li>\u6267\u884c\u5806\u6ea2\u51fa<\/li><li>\u8c03\u7528\u51fd\u6570\u8c03\u7528\u4ee5\u89e6\u53d1\u8d1f\u8f7d<\/li><\/ol>\n\n\n\n<p><strong>\u7ec3\u4e60\u4e8c\u8fdb\u5236\u7b80\u4ecb<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e2a\u4e8c\u8fdb\u5236\u6587\u4ef6\u88ab\u79f0\u4e3a\u201cmoneymachine\u201d\uff0c\u5b83\u662f\u4e00\u4e2aMACH-O 64\u4f4d\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u5b83\u7684\u7075\u611f\u6765\u81ea\u4e92\u8054\u7f51\u548c\u6211\u6240\u6709\u5728\u73a9Runscape\u957f\u5927\u7684\u5947\u602a\u670b\u53cb\uff01\u54c8\u54c8\u3002\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u540d\u79f0\u53c2\u8003\u4e86<a href=\"https:\/\/www.youtube.com\/watch?v=z97qLNXeAMQ&amp;ab_channel=100gecs\" target=\"_blank\" rel=\"noreferrer noopener\">100 gecs\u6807\u5fd7\u6027\u7684\u6a21\u56e0\u6b4c\u66f2\u201c\u8d5a\u94b1\u673a\u5668\u201d\u3002<\/a><\/p>\n\n\n\n<p>\u65e0\u8bba\u5982\u4f55\uff0c\u5f53\u60a8<a href=\"https:\/\/github.com\/inversecos\/ios-moneymachine\" target=\"_blank\" rel=\"noreferrer noopener\">\u4e0b\u8f7d\u4e8c\u8fdb\u5236\u6587\u4ef6<\/a>\u5e76\u8fd0\u884c\u4e8c\u8fdb\u5236\u6587\u4ef6\u65f6\uff0c\u67096\u4e2a\u9009\u9879\u53ef\u4f9b\u9009\u62e9\uff08\u5982\u4e0b\u56fe\u6240\u793a\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgueX3_-_pG3tbBPS3Unjay-MI3fZqEyDeXsBfC48SLsitYL8psitVYRmz78Hi8bXPjqnl7GavJg5huFlt3-pbiRJ6bM_GFi58fJ_uRuE6M5BUblCoYDz469lMEIP_Li-X8YY4_KtJXQD4Xcbt_ajkux7ORGPp8cOWCELnwlipA1hU62Ewh3k8_GZFCwg\/s16000\/1.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u7ec3\u4e60\u7684\u76ee\u6807\u662f\u5229\u7528\u5806\u6ea2\u51fa\u5e76\u8fdb\u884c\u5806\u6574\u7406\uff0c\u76f4\u5230\u4f60\u53ef\u4ee5\u4e70\u5230\u4f20\u5947\u7269\u54c1\uff01\u6b64\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e2d\u7f16\u7801\u4e86\u4e00\u4e2a\u5d4c\u5165\u5f0f\u7684\u91ca\u653e\u540e\u4f7f\u7528\u6f0f\u6d1e\u3002\u8bf7\u6ce8\u610f\uff0c\u65e0\u9700\u7981\u7528\u4efb\u4f55\u5b89\u5168\u63a7\u5236\u5373\u53ef\u4f7f\u7528\u6b64\u6f0f\u6d1e\u5229\u7528\u7a0b\u5e8f\u3002;)<\/p>\n\n\n\n<p>\u5f53\u4f60\u9009\u62e9[2]\u65f6\uff0c\u7a0b\u5e8f\u5c06\u8c03\u7528\u201cmalloc\u201d\uff0c\u5e76\u5728\u5806\u4e0a\u5206\u914d\u5185\u5b58\u7528\u4e8e\u4f60\u7684\u4efb\u52a1\uff08\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u662f\u54e5\u5e03\u6797\u5916\u4ea4\uff09\u3002\u201cquest\u201d\u662f\u4e00\u4e2a\u7ed3\u6784 &#8211; \u4e00\u4e2a\u5bf9\u8c61\uff0c\u5b83\u5b58\u50a8\u4efb\u52a1\u7684\u540d\u79f0\u4ee5\u53ca\u4e00\u4e2a\u51fd\u6570\u6307\u9488\uff0c\u8be5\u51fd\u6570\u6307\u5411\u5217\u51fa\u6240\u6709\u53ef\u7528\u4efb\u52a1\u7684\u51fd\u6570[3]\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEh0uPZH8k3oM4U4vEsay45clSH8pSuYuBMziTjJ6hct0RGHQYBQqjlzRdNtYm5LDce2Wj9goO_ixnPSxVIKmpuGnvJSWws32EUQ0LM-wMzs5zeZz0oLYmEMoAwCuIZ9eEudg0jdRWpSOQKXalwMGBzNepOtR7dxWx6S7UfXmJOnIzNCiX4Y5_7cUTj5_g\/w640-h118\/Screen%20Shot%202022-07-11%20at%201.30.55%20pm.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u5bf9 [5] \u7684\u8c03\u7528\u5c06\u8c03\u7528 &#8216;free&#8217; \u51fd\u6570\uff0c\u8be5\u51fd\u6570\u5c06\u91ca\u653e\u5806\u4e0a\u5206\u914d\u7684\u5bf9\u8c61\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgLzjQiQivFE0Yn-fOlLyKmFKawFUw4lYCOxATus4sf-6XokOTGo3rb4r8T-O0gr7ZQhKmIHkfIC66oq7z8m_O5Fn3_0KAgsNuoD_nX3w06BXLzizOCRbaHZgtimY2KHJ1WsBWgFnSFvSzUebY1-sUB95hmIFR1G2H3x0XR_ceijbdrpaw9O2DD-qB92w\/w640-h92\/Screen%20Shot%202022-07-11%20at%201.31.05%20pm.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><a href=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgLzjQiQivFE0Yn-fOlLyKmFKawFUw4lYCOxATus4sf-6XokOTGo3rb4r8T-O0gr7ZQhKmIHkfIC66oq7z8m_O5Fn3_0KAgsNuoD_nX3w06BXLzizOCRbaHZgtimY2KHJ1WsBWgFnSFvSzUebY1-sUB95hmIFR1G2H3x0XR_ceijbdrpaw9O2DD-qB92w\/s944\/Screen%20Shot%202022-07-11%20at%201.31.05%20pm.png\"><\/a>\u4f46\u662f\uff0c\u6b64\u5bf9\u8c61\u5c1a\u672a\u4e3a null\uff0c\u8fd9\u610f\u5473\u7740\u6570\u636e\u4ecd\u9a7b\u7559\u5728\u5806\u4e0a &#8211; \u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5f53\u60a8\u5728\u5bf9\u8c61\u91ca\u653e\u540e\u8c03\u7528 [3] \u65f6\uff0c\u5b83\u4ecd\u5c06\u8fd4\u56de\u6240\u6709\u53ef\u7528\u7684\u4efb\u52a1\u3002\u8fd9\u91cc\u7684\u76ee\u6807\u662f\u4ece\u4e00\u4e2a\u7834\u788e\u7684\u65c5\u884c\u8005\u53d8\u6210\u4e00\u4e2a\u5bcc\u6709\u7684\u65c5\u884c\u8005\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjH3QFDdFJxdHmA00uSztoT1QGetZ-XBU-sS7QDB5jjLt421ffAahGKBgMYhbrCDwtyw17JIRLvmiLZm36na5vklTb-_LvhuRvYPT29GavfHlC72jVpTIx0BFBnf2b1pupaMMCIkCwXfw2_hLdh1-39atfQ2ul0Uj6LOFJF5sDFJvuwOAfnP2MR_lKWbQ\/s16000\/Screen%20Shot%202022-07-10%20at%203.46.24%20pm.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u7136\u540e\uff0c\u5728\u6211\u4eec\u5229\u7528\u8d5a\u94b1\u673a\u5668\u4e4b\u540e\uff0c\u6211\u4eec\u5c06\u53d8\u5f97\u8db3\u591f\u5bcc\u6709\uff0c\u6210\u4e3a\u4e16\u754c\u4e0a\u6700\u5927\uff0c\u6700\u5b8f\u4f1f\u7684\u5251\u7684\u62e5\u6709\u8005\u3002\u4e3a\u6b64\uff0c\u60a8\u5fc5\u987b\u6267\u884c\u5806\u6ea2\u51fa\uff0c\u5806\u6574\u7406\uff0c\u5e76\u786e\u5b9a\u6211\u4eec\u9700\u8981\u8986\u76d6\u5806\u4e0a\u7684\u51fd\u6570\u6307\u9488\u7684\u673a\u5bc6\u51fd\u6570\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEhs4KXXn1AQgQ4neuzvb76pdKEk_YIwMRkFXNwN6dTgnUa2x1BCsqOg633GJuEudvidU5qj7r68XX5A6pi4CPcskN75tj3hd_OWHsR6-auF6tllPPg_DNlNanDQwgSh_bNUE9sgvkv7D1-90gdawYXBlefDNGLN6oCUnV86ChHtfQvuTdtDbS6vb-7IPQ\/s16000\/7.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u4f7f\u7528 R2 \u548c LLDB \u8fdb\u884c\u9759\u6001\u5206\u6790<\/strong><\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u4e8c\u8fdb\u5236\u6587\u4ef6\u5e76\u6267\u884c\u4e00\u4e9b\u9759\u6001\u5206\u6790UwU<\/p>\n\n\n\n<p><strong>1. \u68c0\u67e5\u7a0b\u5e8f\u4e2d\u7684\u6240\u6709\u529f\u80fd<\/strong><\/p>\n\n\n\n<p>\u4e3a\u6b64\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Hopper\uff0cRadare2\uff08<a href=\"https:\/\/github.com\/radareorg\/radare2\">https:\/\/github.com\/radareorg\/radare2<\/a>\uff09 &#8211; \u65e0\u8bba\u60a8\u60f3\u4f7f\u7528\u4ec0\u4e48\u62c6\u88c5\u673a\u3002\u6211\u5c06\u4f7f\u7528 radare2 \u6765\u6267\u884c\u6b64\u6b65\u9aa4\u3002\u60a8\u9700\u8981\u505a\u7684\u5c31\u662f\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>r2 &lt;\u4e8c\u8fdb\u5236\u540d\u79f0&gt;<\/li><li>aaa \u2013 \u89e6\u53d1 r2 \u6765\u5206\u6790\u6807\u5fd7\u3001\u51fd\u6570\u8c03\u7528\u3001\u5b57\u8282\u7b49<\/li><li>afl \u2013 \u5217\u51fa\u6240\u6709\u51fd\u6570<\/li><\/ul>\n\n\n\n<p>\u4ece\u4e0b\u9762\u7684\u5c4f\u5e55\u622a\u56fe\u4e2d\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u4e00\u4e9b\u6807\u51c6C\u51fd\u6570\u548c\u4e09\u4e2a\u975e\u6807\u51c6\u51fd\u6570\u4ee5\u7d2b\u8272\u7a81\u51fa\u663e\u793a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEiGyKsglMNnjP6gNJkvSske2FobUYYSAyOv2aul4Qccmr5IcEcixDbXyabhMNRZdiELMbQCfKLO4lJOd-jEt7-GKqV81wfbNrpw9R60RUcNpGrFG__wb-6bBRU6doVZSLO2w2gRiBYCWXvHqW_K-HEv7YoAf6MfOpSuuG86TYg4AD7yW7LxIxArW7NCRw\/s16000\/1.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>2.\u67e5\u770bbuyItems\u529f\u80fd\u4ee5\u67e5\u770b\u5176\u529f\u80fd<\/strong><\/p>\n\n\n\n<p>\u672c\u7ec3\u4e60\u7684\u76ee\u7684\u662f\u5f04\u6e05\u695a\u60a8\u5982\u4f55\u8d1f\u62c5\u5f97\u8d77\u8d2d\u4e70\u4f20\u5947\u7269\u54c1 &#8211; \u56e0\u6b64\uff0c\u6839\u636e\u6b64\u51fd\u6570\u7684\u540d\u79f0\uff0c\u6211\u4eec\u53ef\u80fd\u5e94\u8be5\u4f18\u5148\u8003\u8651\u5b83\u4ee5\u8fdb\u884c\u5206\u6790\u3002\u5e0c\u671b\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7406\u89e3\u5982\u4f55\u5728\u6b64\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e2d\u8d2d\u4e70\u7269\u54c1\u80cc\u540e\u7684\u903b\u8f91\u3002\u8981\u68c0\u67e5\u6b64\u51fd\u6570\uff0c\u8bf7\u952e\u5165\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>s sym._buyItems<\/li><li>pdf<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEiHYKJgOoKG2SyxSIb8ACO0VGJbFlScpCX9y91Y8lVAp_AFb_ztFT8zuFVpEJOadwLvbNfDmFSKzZcqnzCjX3fYbhnf9VF1mtphmLCKLFzqHu9pQtqhZMehINP9gUhEwxUDiDFVdhBV4ym7wrUpHKJCR2w-SPKjDJSYqvx1-9Kmax__89tbaGI9BpBb1w\/s16000\/buyitems%20comparison%20to%20999999.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u5728\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u6bd4\u8f83\u53d1\u751f\uff0c\u5bfc\u81f4\u4e24\u6b21\u8df3\u8dc3\u3002\u8ba9\u6211\u628a\u8fd9\u4e2a\u6c47\u7f16\u5206\u89e3\u6210\u7b80\u5355\u7684\u82f1\u8bed\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u9996\u5148\uff0c\u6211\u4eec\u6ce8\u610f\u5230\u6709\u4e00\u4e2a\u540d\u4e3a\u201csym._money\u201d\u7684\u53d8\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u731c\u6d4b\u53d8\u91cf\u53ef\u80fd\u6b63\u5728\u5b58\u50a8\u6211\u4eec\u6709\u591a\u5c11\u9ec4\u91d1\u3002<\/li><li>\u201csym._money\u201d\u7684\u503c\u5b58\u50a8\u5728 w8 \u5bc4\u5b58\u5668\u4e2d<\/li><li>\u8be5\u51fd\u6570\u5c06 999999 \u7684\u503c\u79fb\u52a8\u5230 w9 \u5bc4\u5b58\u5668\u4e2d\uff08\u4ee5\u7d2b\u8272\u7a81\u51fa\u663e\u793a\uff09\u3002\u8fd9\u5728\u5341\u516d\u8fdb\u5236\u4e2d\u8868\u793a\u4e3a0XF423F\u3002<\/li><li>\u5728w9\u548cw8\u4e4b\u95f4\u8fdb\u884c\u4e86\u6bd4\u8f83\uff08\u5c06\u6211\u4eec\u5f53\u524d\u7684\u8d27\u5e01\u4e0e999999\u7684\u4ef7\u503c\u8fdb\u884c\u6bd4\u8f83\uff09<\/li><li>\u8be5\u7a0b\u5e8f\u5206\u652f\u5230\u4e24\u4e2a\u4e0d\u540c\u7684\u4f4d\u7f6e\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6211\u4eec\u62e5\u6709\u7684\u91d1\u989d\u662f\u5426\u5927\u4e8e\u6216\u7b49\u4e8e999999\uff08b.ge\uff09\uff0c\u5426\u5219\u5b83\u4f1a\u8df3\u5230\u5176\u4ed6\u5730\u65b9<\/li><\/ul>\n\n\n\n<p>\u6211\u4eec\u771f\u7684\u4e0d\u9700\u8981\u5206\u6790\u4ee3\u7801\u7684\u5176\u4f59\u90e8\u5206\u6765\u7406\u89e3\u4e3a\u4ec0\u4e48\u8fd9\u662f\u6709\u7528\u7684\u3002\u5f88\u53ef\u80fd\u5728\u8fd9\u4e00\u70b9\u4e0a\uff0c\u7531\u4e8e\u6211\u4eec\u88ab0\u91d1\u5e01\u6253\u7834\u4e86\uff0c\u6211\u4eec\u5c06\u65e0\u6cd5\u8d2d\u4e70\u4f20\u5947\u7269\u54c1\u3002\u4f20\u5947\u7269\u54c1\u7684\u6210\u672c\u4e5f\u53ef\u80fd999999\u3002<\/p>\n\n\n\n<p>\u6211\u5c06\u4e8c\u8fdb\u5236\u6587\u4ef6\u62c9\u5165 Hopper\uff08\u56e0\u4e3a\u5b83\u5728\u89c6\u89c9\u4e0a\u6bd4 r2 \u66f4\u597d\u5730\u663e\u793a\u5b57\u7b26\u4e32\uff09\uff0c\u4ee5\u6839\u636e\u6bd4\u8f83\u5411\u60a8\u5c55\u793a\u51fd\u6570\u5206\u652f\u7684\u4f4d\u7f6e\u3002\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u662f\uff0c\u5982\u679c\u6bd4\u8f83\u5931\u8d25\uff0c\u6211\u4eec\u53ea\u6709\u4e0d\u5230999999\u9ec4\u91d1 &#8211; \u5b83\u4f1a\u6253\u5370\u201c\u4f60\u6ca1\u6709\u8db3\u591f\u7684\u94b1\u201d\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u4e2a\u4f4d\u7f6e\u663e\u793a\uff0c\u5982\u679c\u60a8\u786e\u5b9e\u62e5\u6709999999\u6216\u66f4\u591a\u7684\u9ec4\u91d1\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002\u5b83\u6253\u5370\u201c\u83b7\u5f97\u7684\u7269\u54c1\u201d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjsWmGpFXLHGyCuFPxGnPdB-eQeKSOoHBIJ62BcImZIeEMr1ypfWlmLR1NGTEpjL9cRdR_a-uUR54KIHRCnYu4y6IfLs1d5pSFhgDBFXOvOPsLK_kC88vgChS2MWZDvoeR2eSU_hsQ9FF8bOkvLBQu5y-cZ-v39jXVBNcGJfwb8YXtzloBvYS9nzhVMyA\/s16000\/buyitemCode.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u73b0\u5728\u6709\u4e86\u8fd9\u4e9b\u77e5\u8bc6\uff0c\u5f88\u660e\u663e\u6211\u4eec\u9700\u8981\u627e\u5230\u4e00\u79cd\u65b9\u6cd5\u6765\u83b7\u5f97\u66f4\u591a\u7684\u94b1\u6765\u5229\u7528\u8fd9\u4e2a\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<p><strong>3. \u5206\u6790 makeItRain \u51fd\u6570<\/strong><\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b makeItRain \u51fd\u6570\uff0c\u770b\u770b\u5b83\u7684\u4f5c\u7528\u3002\u6b63\u5982\u60a8\u5728\u4e0b\u56fe\u4e2d\u770b\u5230\u7684\u90a3\u6837 &#8211; \u5728\u51fd\u6570\u5e8f\u5e55\u4e4b\u540e\uff0c\u5b83\u518d\u6b21\u4e0e\u201cmoney\u201d\u53d8\u91cf\uff08sym._money\uff09\u4ea4\u4e92\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5c06sym._money\u7684\u503c\u5b58\u50a8\u5728 w8 \u5bc4\u5b58\u5668\u4e2d<\/li><li>\u5c060xF4240\u7684\u503c\u5b58\u50a8\u5728 w10 \u5bc4\u5b58\u5668\u4e2d\uff0c\u8be5\u503c\u5bf9\u5e94\u4e8e\u503c\u201c1000\uff0c000\u201d<\/li><li>\u5c06 w10 \u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u6dfb\u52a0\u5230 w8 \u5bc4\u5b58\u5668<\/li><li>\u6253\u5370\u4e00\u4e9b\u4e1c\u897f<\/li><\/ul>\n\n\n\n<p>\u7531\u6b64\u6211\u4eec\u53ef\u4ee5\u63a8\u65ad\u51fa\uff0c\u8fd9\u4e2a\u51fd\u6570\u5c06\u201c\u8d27\u5e01\u201d\u7684\u4ef7\u503c\u589e\u52a0\u4e861\uff0c000\uff0c000\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEibAlCr5NbmhHeTyiU9m-vLwdfH_cyfcUNBSm05eI-MFh5OLG4AS2M3CxO959x6ZqI8IZpyKmqleMWRRRNWAA4kwdmoIqwsEaoBRLcdCgTJ9i7kNqc-S62wivtvm77fgJCw1MPYUCAoXkynvTdpxSo0JghEA_wPWKfJIHEQCPObegJHM2QZqzJUeFn9fA\/s16000\/makeitrain.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>4. \u5206\u6790\u5176\u4ed6\u529f\u80fd<\/strong><\/p>\n\n\n\n<p>\u67e5\u770b\u7a0b\u5e8f\u4e2d\u8c03\u7528\u7684\u5176\u4ed6\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5bf9\u8fd9\u4e9b\u51fd\u6570\u7684\u5f15\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>malloc \u2013 \u67d0\u4e9b\u4e1c\u897f\u6b63\u5728\u5806\u4e0a\u5206\u914d\u5185\u5b58<\/li><li>free \u2013 \u6709\u4e9b\u4e1c\u897f\u6b63\u5728\u5806\u4e0a\u88ab\u91ca\u653e<\/li><li>fread\/fopen \u2013 \u6b63\u5728\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u67d0\u4e9b\u5185\u5bb9<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgyXKqDIH3qFNL3yVVkMDnbksLwvHOg__Q5Z8kQRDIKba5MSIHBNWoiFamm6yljEpo6cwe8HskSyg9zU0n8a3pnUwEVEKiHUf84f5ONHgLX5yJ2GH02QmO5bj-Xggq8Zbfneh3yPDXWvYOUa-RvkS-WN-ncFJVG6CHgPKdoUUNGVCAmL1Ats_4kreDvfg\/s16000\/Screen%20Shot%202022-07-11%20at%205.20.16%20pm.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>5. \u67e5\u627e\u91ca\u653e\u540e\u4f7f\u7528\u7684\u9519\u8bef<\/strong><\/p>\n\n\n\n<p>\u5f53\u6211\u4eec\u8fd0\u884c\u7a0b\u5e8f\u65f6\uff0c\u6211\u4eec\u4f1a\u6ce8\u610f\u5230\u4e00\u4e9b\u6709\u8da3\u7684\u4e1c\u897f\u3002\u5f53\u6211\u4eec\u5728\u5206\u914d\u65b0\u4efb\u52a1[2]\u4e4b\u524d\u8c03\u7528[3]\u4ee5\u83b7\u53d6\u53ef\u7528\u4efb\u52a1\u65f6\uff0c\u4f1a\u53d1\u751f\u5206\u6bb5\u9519\u8bef\u3002\u5206\u6bb5\u9519\u8bef\u5728\u6211\u4eec\u83b7\u5f97\u65b0\u4efb\u52a1\u540e\u4e0d\u4f1a\u53d1\u751f[2]\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgHpAbT4qoES5rNstl6_7_XIx_zn9t498df42nhpELb1iiAeG0-ALDsSh5YDvqbSIEDKHjg8AZ1oYr_VM_ywCak6z_34eAfYGpXAVLkCoqXrf8v2b9FcAZ3CIzuVf2G4V120_4lWgfvx5Sw1no2_yL6BqrGT61byj4c4epl69NDyWvLUg4FnJIW6CCp1g\/s16000\/Screen%20Shot%202022-07-11%20at%205.40.13%20pm.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u4f46\u662f\uff0c\u5728\u4f7f\u7528\u9009\u9879 [5] \u91ca\u653e\u4efb\u52a1\u540e\uff0c\u6211\u4eec\u8c03\u7528 [3] \u4e2a\u53ef\u7528\u4efb\u52a1\uff0c\u6570\u636e\u4ecd\u4f1a\u88ab\u5f15\u7528\u3002\u8fd9\u662f\u91ca\u653e\u540e\u4f7f\u7528 bug \u7684\u524d\u63d0\uff0c\u5176\u4e2d\u6570\u636e\u4ecd\u9a7b\u7559\u5728\u5806\u4e0a\uff0c\u5e76\u4e14\u5185\u5b58\u5730\u5740\u4ecd\u88ab\u53e6\u4e00\u4e2a\u51fd\u6570\u5f15\u7528\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEivD2kv7wROfbBY7RH9u4UdQX6goJeXbc6iqqvrfbtNvHuXqY7IH682Egt7AnIOuTtTVTueAfDZUVnzFNwtkAUXvxePkovzksX4y5zB2_yn5yvyaQiKvp22qPXg85N9xZ900GT8Hhd5I-xKZtZ0DVsBHCA-cM8um_hpgWgEIphpEx1GgzYz1kCAGlEUZQ\/s16000\/Screen%20Shot%202022-07-11%20at%205.37.20%20pm.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u770b\u4e00\u4e0b\u6e90\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4e0b\u9762\u770b\u5230\uff0c\u91ca\u653e\u5806\u4e0a\u7684quest\u5bf9\u8c61\u4e0d\u5305\u62ec\u5c06\u6570\u636e\u6e05\u7a7a\uff01\u6b63\u662f\u8fd9\u4e2a\u9519\u8bef\u5bfc\u81f4\u4e86\u91ca\u653e\u540e\u4f7f\u7528\u7684\u9519\u8bef\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEh9I_fddXb3gGH6xb15leb1m02jaPezoAKbHEj0GOm6cnVX3Qr3KFDpkvQIK6JBAlKn8QGHcIHmuWwcB-CfDSStGbVMWD2vLaQRMQBop_9XPuZm_UN_13wrdtLWGCRxKg2AdvhTliFLHJH3qweyciYxbgGXqc0lvFmxpXFA_eFHPHukCx61cS1PCVMW8w\/w640-h92\/Screen%20Shot%202022-07-11%20at%201.31.05%20pm.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u5806\u6ea2\u51fa\u5806\u6574\u7406<\/strong><\/p>\n\n\n\n<p>\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u9759\u6001\u5206\u6790\u4e86\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u4e86\u6211\u4eec\u5e94\u8be5\u5982\u4f55\u7ee7\u7eed\u5229\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4f7f\u7528\u9009\u9879 [2] \u5728\u5806\u4e0a\u5206\u914d\u65b0\u4efb\u52a1<\/li><li>\u91ca\u653e\u5806\u4e0a\u7684\u65b0\u5bf9\u8c61 [5]<\/li><li>\u901a\u8fc7\u8c03\u7528 [4] \u4ece\u6587\u4ef6\u5bfc\u5165\u9879\u76ee\u6765\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6570\u636e<\/li><li>\u4f7f\u7528\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u8986\u76d6\u539f\u59cb\u4efb\u52a1\u5806\u5bf9\u8c61<\/li><li>\u4f7f\u7528 makeItRain\uff08\uff09 \u7684\u5730\u5740\u8986\u76d6\u5806\u4e0a\u5bf9 listQuests\uff08\uff09 \u7684\u51fd\u6570\u8c03\u7528<\/li><li>\u901a\u8fc7\u8c03\u7528 [3] \u53ef\u7528\u4efb\u52a1\u89e6\u53d1\u514d\u8d39\u540e\u4f7f\u7528<\/li><li>\u901a\u8fc7\u8c03\u7528 [1] \u8d2d\u4e70\u4f20\u5947\u7269\u54c1\u6765\u67e5\u770b\u6f0f\u6d1e\u5229\u7528\u662f\u5426\u6210\u529f<\/li><\/ul>\n\n\n\n<p>\u8981\u6267\u884c\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u6211\u4eec\u9700\u8981\u6536\u96c6\u4e00\u4e9b\u4fe1\u606f\u5e76\u786e\u4fdd\u4e00\u4e9b\u4e8b\u60c5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u83b7\u53d6\u4efb\u52a1\u5206\u914d\u5230\u7684\u5806\u5730\u5740<\/li><li>\u83b7\u53d6\u9009\u9879 [4] \u5c06\u6587\u4ef6\u5185\u5bb9\u5199\u5165\u7684\u5806\u5730\u5740<\/li><li>\u786e\u4fdd\u4e24\u4e2a\u5806\u5730\u5740\u76f8\u540c\uff0c\u5426\u5219\u6267\u884c\u5806\u6574\u7406<\/li><\/ul>\n\n\n\n<p><strong>1.\u8fdc\u7a0b\u8fde\u63a5\u5230\u4f7f\u7528LLDB\u8fd0\u884c\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684iOS<\/strong><\/p>\n\n\n\n<p>\u5728 iOS \u8bbe\u5907\u4e0a\uff0c\u786e\u4fdd\u6253\u5f00\u4e24\u4e2a\u7ec8\u7aef\u4f1a\u8bdd\uff0c\u4e00\u4e2a\u6b63\u5728\u8fd0\u884c\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u53e6\u4e00\u4e2a\u7528\u4e8e\u542f\u52a8\u8c03\u8bd5\u670d\u52a1\u5668\u4f1a\u8bdd\uff0c\u5c06\u5176\u9644\u52a0\u5230\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u3002\u5c06\u7528\u4e8e\u6267\u884c\u8fdc\u7a0b\u5206\u6790\u7684\u5de5\u4f5c\u7ad9\u7684 IP \u5730\u5740\u4f20\u9012\u5230\u8c03\u8bd5\u670d\u52a1\u5668<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEi-ky3Bv_9TcxsbZQWM2Mz2t5rtW7Rq_fu5-dD1-PKjdKX_uaF6QhZQnKaQm00hWcOHP9nPwgA6unUuASoLmySgy7Jv0T3l42OLexbGybCR77gNvnsPwIbwqPFfiWp8mOn8NARMiWZShbiTBSuzEZw2vhbRaUPpEMt5W0irs-SSzBJ-W5JDswhUkNRa0A\/s16000\/2.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u5728\u5de5\u4f5c\u7ad9\u4e0a\uff0c\u6253\u5f00 LLDB \u5e76\u8fde\u63a5\u5230\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgNFXA0GBOdqJKhgYeWsvvKUzwPqfaTDaYOgpe3nKtcvDn1rEOaF4_cPTkEsi5cJVYygx6OaBOIn8CFlBqESwUXr2YPdr875z9evD0Ei2nx1rS__AA_2G0-zTpAxvrM9QkW9j-g9dAkiI5gflJajhZ495bTwVbnsL_9d2FwxvHA_g_LQijQtBAa-Q9_BQ\/s16000\/1.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>2.\u62c6\u5378\u4e3b\u8981\u529f\u80fd<\/strong><\/p>\n\n\n\n<p>\u6211\u4eec\u8981\u505a\u7684\u7b2c\u4e00\u4ef6\u4e8b\u662f\u5206\u6790\u4e3b\u51fd\u6570\u3002\u5206\u6790 main \u51fd\u6570\u7684\u76ee\u7684\u662f\u8ba9\u6211\u4eec\u4e86\u89e3\u5b83\u5728\u505a\u4ec0\u4e48\uff0c\u5e76\u627e\u51fa\u6211\u4eec\u5e94\u8be5\u5728\u54ea\u91cc\u8bbe\u7f6e\u4e00\u4e9b\u65ad\u70b9\u3002\u4e3a\u6b64\uff0c\u60a8\u53ea\u9700\u952e\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>disass -n main<\/li><\/ul>\n\n\n\n<p>\u8bf7\u6ce8\u610f\uff0c\u60a8\u7684\u6240\u6709\u5730\u5740\u90fd\u5c06\u4e0e\u6211:)<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEh8jpROBGZZc6cxyMVgSG-w7Oun3FsbcrW479ay6nVfvdTMXOmf6YWht_rfjiuSPjOypUIJmKPHHCpHa0hjj8xd9iHdfkExgnK0YuuFhfXCqo7PlRvH16ieFH1RnwM1gL9eaIFG7LT3AyOC8M3hly3VxJTc6VsrZkfmGImYCWv0gqFaDgXwKnB3u-eCKw\/s16000\/4.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>3. \u8bbe\u7f6e\u65ad\u70b9\uff0c\u4ee5\u4fbf\u786e\u5b9a\u6211\u4eec\u5728\u5806\u4e0a\u5199\u5165\u7684\u4f4d\u7f6e<\/strong><\/p>\n\n\n\n<p>malloc \u5206\u914d\u5230\u7684\u5806\u5730\u5740\u5c06\u5728\u51fd\u6570\u8c03\u7528 malloc \u540e\u7acb\u5373\u63a8\u9001\u5230 ARM64 \u4e2d\u7684 x0 \u5bc4\u5b58\u5668\u4e2d\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u5728\u8c03\u7528malloc\u540e\u7acb\u5373\u4e2d\u65ad\u5e76\u68c0\u67e5\u5bc4\u5b58\u5668\uff0c\u60a8\u5c06\u80fd\u591f\u63d0\u53d6\u6211\u4eec\u6b63\u5728\u5199\u5165^_^\u7684\u5806\u5730\u5740<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5728\u6b64\u9636\u6bb5\uff0c\u6211\u4eec\u5c06\u6eda\u52a8\u6d4f\u89c8 main \u51fd\u6570\u5e76\u5411\u4e0b\u590d\u5236\u5c06\u8bbe\u7f6e\u65ad\u70b9\u7684\u5730\u5740\u3002\u7b2c\u4e00\u4e2a\u65ad\u70b9\u53d1\u751f\u5728\u7a0b\u5e8f\u7684\u65e9\u671f\uff08\u53ef\u80fd\u662f\u5bf9 [2] New Quest \u7684\u8c03\u7528\u5b8c\u6210\u7684\u5730\u65b9\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjQjCvzwesjqaCSaNKlsg4kez67AoEVjWAIwByjeH_5NaaIDFV4nQwzkdkMYuq5xS7PwSAYI0aBZjuUO1HxbpcxG-_1ulcNkN7eOzSqzfaXlHrHOuMM6kSswPg24493tB3GpIrz5vlIb8VJCfOlzpCqepBMc6M0SRDHC2QriR_u_1F6nduhb3dgyD7s9A\/s16000\/5.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u7b2c\u4e8c\u4e2a malloc \u5728\u8bfb\u53d6\u6587\u4ef6\u201citems.txt\u201d\u7684\u5185\u5bb9\u5e76\u5c06\u5176\u5b58\u50a8\u5230\u5806\u4e0a\u4e4b\u540e\uff0c\u7a0d\u540e\u5728 main \u51fd\u6570\u4e2d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEioHj-ODeJTi8VaHbUlUUKrlzznBkkDzf7qHPdU1_wfpnHfmIXIzz434CT-yPasKSa6wgTWKCyW2xbX6bwaQwJc-PjgpFFyj_6pubsY8_gUwVXBb1eEZrlGR-l6Af-bvSAwfSM7A7fnBjJha5afKTyTS8NzBitYdW3fFGQIn-dDzWOOhRWdRXS6WhrjUg\/s16000\/6.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6211\u4eec\u8fd8\u5c06\u5728\u8c03\u7528\u201cfree\u201d\u51fd\u6570\u540e\u7acb\u5373\u8bbe\u7f6e\u4e00\u4e2a\u65ad\u70b9\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u4ed4\u7ec6\u68c0\u67e5\u8fd9\u4e2aUAF\u662f\u5426\u5b58\u5728\u3002\u5982\u679c\u5b58\u5728 UAF \u9519\u8bef\uff0c\u5219\u5728\u8c03\u7528 free \u540e\uff0c\u5806\u4e0a\u7684\u6570\u636e\u4ecd\u5c06\u4fdd\u7559\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4f1a\u88ab\u6e05\u7a7a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEiAMbnXCgERBRbQQcoGcbVt4RUYFOy-_j87tdd9_ksUlmVOeWCAzB0sdbcLuoau5f37D9xm_uIoej5Ul7T9HPJay-YP3AeannoCCpxLjdQOeT9NbOBJBsFG3EanZr6UMENOeeQ9dcO0ifwpP2ZTG4124ar6dG3ruVNuxjA_TaLug35kOumHSGQiiafSZw\/s16000\/7.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8981\u8bbe\u7f6e\u65ad\u70b9\uff0c\u53ea\u9700\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjrDYGQwIFlbKSZEV-6JcMopMhIrScnFhxWRwPyM2qvfuqniduCFZ7jft5u1tOWJX19DgsHdHqxf2WTid9oBTCX61gzQsG5mSRDFUvygNRHeYUoCndGZZfNITsGaurywbPhG8K007YHNIkF-7qMzQZYub23yOJlxt0pOwqPlOwwggNhfp6ni1t32Ys87A\/s16000\/8.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>4. \u547d\u4e2d\u7b2c\u4e00\u4e2a\u65ad\u70b9\u5e76\u4ece\u7b2c\u4e00\u4e2a malloc \u6536\u96c6\u5806\u7684\u5730\u5740<\/strong><\/p>\n\n\n\n<p>\u7531\u4e8e\u7a0b\u5e8f\u6267\u884c\u5f53\u524d\u5df2\u6682\u505c\uff0c\u6211\u4eec\u9700\u8981\u7ee7\u7eed\u8be5\u8fc7\u7a0b\uff0c\u7136\u540e\u9009\u62e9 [2] \u6765\u5206\u914d\u65b0\u7684\u4efb\u52a1\u3002\u8fd9\u5e94\u8be5\u7acb\u5373\u5728\u7b2c\u4e00\u4e2a malloc \u5904\u547d\u4e2d\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u65ad\u70b9\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjuVOcralFKLjg3DHLLHRJig9mvESkkYTqavmQB7g-ClY8eFIlRAw6yDTinSouepN6UMy6EIXXiNigG1xED3KHSt6L4cdV7A5AYW9QivwViNBgHgR0AgDIorDWGliF8yJAa965qsZtHbxVT-wr178h3uuRXZVSKlJderVUqn1Ic5GIep9SZYh8osu7m3g\/s16000\/9.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u9700\u8981\u68c0\u67e5\u5bc4\u5b58\u5668\u5e76\u62c9\u53d6\u5806\u7684\u5730\u5740\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u952e\u5165\u201c\u5bc4\u5b58\u5668\u8bfb\u53d6\u201d\u6765\u5b8c\u6210\u3002\u6b63\u5982\u4f60\u5728\u4e0b\u9762\u770b\u5230\u7684\uff0c\u6211\u4eec\u7684\u4efb\u52a1\u201c\u54e5\u5e03\u6797\u5916\u4ea4\u201d\u5c06\u88ab\u5206\u914d\u5230\u7684\u5806\u5730\u5740\u5c06\u4f4d\u4e8e\u5730\u5740\u201c0x0000000104b06ce0\u201d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEinp-59sTTaWDQZsWuey-bUK3s179ojb_CnlJtNgDBbUa6UbQNMc9MyIlU74xvbchhMDiquv4p6nt77qLbVzfd42imyPjjd0c-tIIUqaTJmVyONfjNUQua7dyNlcPVJ-tbnEBVsMf3mn0iNNmO7AAYb0EzJjtq5Whgw-LqKM05Wrsj1Cj5AkAfe5aLPQw\/s16000\/10.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u73b0\u5728\u67e5\u770b\u5806\u5730\u5740\uff0c\u60a8\u4f1a\u53d1\u73b0\u5806\u4e0a\u6ca1\u6709\u592a\u591a\u5185\u5bb9\u3002\u8fd9\u5728\u4ee5\u540e\u6bd4\u8f83\u5c06\u6570\u636e\u5199\u5165\u5806\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48\u65f6\u975e\u5e38\u91cd\u8981\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEg0Ouc5QvQSQBV59rzthkEnmpyG4UNOQusBistZVxOvhq4Fqw9CJ3FNX7x7oO0SwJIK5zKcdg7Gjw6U_WNhuoRBHu6J1EeyUHJaNhbpEPiXXc79rdLajC_z2DFKh0IRQ965_14x7hVasnI6UBV0lrUtGECIZlQe82QDxomSqeLnyHozBIEfOVMoMi_71w\/s16000\/11.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>5. \u901a\u8fc7\u8c03\u7528 [5] \u91ca\u653e\u5806\u5206\u914d<\/strong><\/p>\n\n\n\n<p>\u901a\u8fc7\u952e\u5165\u201c\u8fdb\u7a0b\u7ee7\u7eed\u201d\u7ee7\u7eed\u8fdb\u7a0b\uff0c\u7136\u540e\u8c03\u7528\u9009\u9879 [5] \u4ee5\u91ca\u653e\u5806\u4e0a\u5206\u914d\u7684\u6570\u636e\uff0c\u4ece\u800c\u7ee7\u7eed\u6267\u884c\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEhsv8uaVHbp64F_2s99tfwTVrp9hBrsQW_iwDwtV3WXhlFqbCmWkNH_28RtEt-n6Tdtm7Zl5dW1INhPMoUrJ2fPiucnegUSE0NaqBDNGwRZVJNDL_R6TbBsrarbrwhyeGiCtEDwdPnODzazuqPvItx5mSk4NAHWULwHXjO7F7jsd-B_stk30qEiJ5dKaQ\/w640-h344\/12.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>6. \u68c0\u67e5\u5806\u4e0a\u7684\u6570\u636e<\/strong><\/p>\n\n\n\n<p>\u901a\u8fc7\u952e\u5165\u201c\u8fdb\u7a0b\u4e2d\u65ad\u201d\u6765\u6682\u505c\u6267\u884c\uff0c\u7136\u540e\u89c2\u5bdf\u5199\u5165\u5806\u7684\u5185\u5bb9\u3002\u6b63\u5982\u60a8\u5728\u4e0b\u9762\u770b\u5230\u7684\uff0c\u5728\u7a81\u51fa\u663e\u793a\u7684\u7d2b\u8272\u533a\u57df\u4e2d\u586b\u5145\u4e86\u6570\u636e\u3002\u6b63\u5982\u9884\u671f\u7684\u90a3\u6837\uff0c\u5199\u5165\u7684\u6570\u636e\u5bf9\u5e94\u4e8e\u516d\u8fb9\u5f62\u7684\u201c\u54e5\u5e03\u6797\u5916\u4ea4\u201d\uff0c\u7136\u540e\u662f0x104b06d00\u7684listQuests\uff08\uff09\u51fd\u6570\u7684\u5730\u5740\u3002\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u7684\u91cd\u8981\u4e00\u70b9\u662f\uff0c\u5373\u4f7f\u5806\u5df2\u88ab\u91ca\u653e\uff0c\u6570\u636e\u4ecd\u7136\u9a7b\u7559\u5728\u8fd9\u91cc\uff0c\u800c\u4e0d\u662f\u88ab\u7a7a\uff01\u8fd9\u662f bug \u7684\u524d\u63d0\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEi7YrNA7CNIlCh0OJkr89cHuiw-VAbZW1nySMyPZik-Azh4JlkbwBFfdudRLWMx_fYjhxmltbeGko0EBc7Y6SwkvCw1LusSEF_jtA7oAp1h5Q02BtOlAvJVgPyw5ToiJPs86w5ADXnkMVU0-qtogFXcBfYSdZCMfpJI3mh1ojKv7kxUmXCKaCyRGJ5qAw\/s16000\/13.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u4e3a\u4e86\u771f\u6b63\u8bc1\u660e\u6211\u7684\u89c2\u70b9\uff0c\u5806\u4e0a\u7684\u503c\u4e0e\u5341\u516d\u8fdb\u5236\u7684\u201c\u54e5\u5e03\u6797\u5916\u4ea4\u201d\u5b8c\u5168\u76f8\u5173\uff0c\u4f46\u4ee5\u5c0f\u7aef\u683c\u5f0f:)<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgLLfghWgwOJ9TtaTyIvAS0zuKcvsNTKESGquYXZTnbUqhawTdIpWNzZT-66TK5ZfPfuViQhItcZTsvegTSE0EPJEmprv_6N1ZASizGlBvCGLtdQirDhCSnGgg_ZIuONCQkG558PhKU6PeauTD9f8-1V2fqB_mjs3OrAIeKdkNdqozv4ffISeDiCNWufQ\/w640-h560\/14.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>7. \u51c6\u5907\u6709\u6548\u8d1f\u8f7d\u4ee5\u8986\u76d6\u5806<\/strong><\/p>\n\n\n\n<p>\u4e3a\u4e86\u51c6\u5907\u6709\u6548\u8d1f\u8f7d\uff0c\u6211\u4eec\u9700\u8981\u5c06\u6570\u636e\u653e\u5165\u201citems.txt\u201d\u6587\u4ef6\u4e2d\uff0c\u7136\u540e\u518d\u8c03\u7528\u5bf9\u9009\u9879[4]\u7684\u8c03\u7528\u4ee5\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6761\u76ee\u3002\u8ba9\u6211\u4eec\u4ee5\u6b64\u4e3a\u5951\u673a\u6765\u8ba1\u7b97\u504f\u79fb\u91cf\uff0c\u6211\u4eec\u9700\u8981\u7528 makeItRain\uff08\uff09 \u5730\u5740\u8986\u76d6\u51fd\u6570\u6307\u9488\u5730\u5740\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgF8yH8LW01qIBLKrj881Lzrkb34fBvEShdeN1Pt9_oS0_pUIyDnlHeHmOjYUSIEPOwXqy7lymmDfDn_nKKoLc3YKf_ZSJLfeC4SgloixJAw8OrdUsho_PByVf9EL9_MpGdVHcqSKsfzIZDcLVA4AHmQmriQa6f4ZCWT3dbYceTR_4Vdb_1-dxgD9Yu8A\/s16000\/15.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u5c06\u6240\u6709\u6570\u636e\u7ba1\u9053\u5316\u5230items.txt\u6587\u4ef6\u4e4b\u540e\u3002\u7136\u540e\uff0c\u6211\u5c06\u5176SFTP\u653e\u5165\u4e0eiOS\u8bbe\u5907\u4e0a\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u76f8\u540c\u7684\u76ee\u5f55\u4e2d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEguIGDOagTkue1TqYoU70ShV3BoRHUPHwmWaoRnllWvjm62sWF7W9_iFQeGRsWkcSHnIQkuyBbcr9kQzFVBctKuZmGr1k2JUj6FT62V5XIeTIEDFUS8f9k1bmuoBSw4HfK2hiGFm1l73BktQiJ2qUwVuWkBqyQqCPjyvtUdPewj9fYiETueRm8bw06X1Q\/s16000\/16.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>8. \u83b7\u53d6\u6709\u6548\u8d1f\u8f7d\u5806\u5730\u5740\u5e76\u68c0\u67e5\u5b83\u662f\u5426\u4e0e\u7b2c\u4e00\u4e2a\u5806\u5730\u5740\u76f8\u540c<\/strong><\/p>\n\n\n\n<p>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u89e6\u53d1\u6709\u6548\u8d1f\u8f7d\uff0c\u5e76\u67e5\u770b\u6b64\u65b0\u6570\u636e\u5c06\u5728\u5806\u4e0a\u5199\u5165\u7684\u4f4d\u7f6e\u3002\u6211\u4eec\u901a\u8fc7\u8c03\u7528\u9009\u9879 [4] \u6765\u6267\u884c\u6b64\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u8fd9\u5c06\u547d\u4e2d\u6211\u4eec\u7684\u7b2c\u4e8c\u4e2a malloc \u65ad\u70b9\u3002\u6211\u4eec\u5c06\u6267\u884c\u76f8\u540c\u7684\u6b65\u9aa4\uff0c\u8c03\u7528\u201c\u5bc4\u5b58\u5668\u8bfb\u53d6\u201d\u4ee5\u4ece x0 \u5bc4\u5b58\u5668\u4e2d\u63d0\u53d6\u65b0\u7684\u5806\u5730\u5740\u3002\u6b64\u5806\u5730\u5740\u662f0x0000000102906080\uff0c\u5b83\u4e0e0x0000000104b06ce0\u7684\u7b2c\u4e00\u4e2a\u5806\u5730\u5740\u4e0d\u540c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgGEUigc7qfQnPOMbizeywVJfyBDyZIkPmeF0t2EdOuqF5LJBHfUuDGI28J-ctnHycGQLFwio-NpHd0A343qmcawe8SACCtJyYFGTYO47zWLEBX4rqYQfwPtIxPKjfp8Xb2O7myD7ozFLiefiqhDnO1fhPUzNNZGFvTIPIWG1cBXpSWVTuytO2z68tfeg\/s16000\/heap%20address%20change.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>9.\u5806\u68b3\u7406\u6216\u5806\u98ce\u6c34\u6280\u672f<\/strong><\/p>\n\n\n\n<p>\u5728\u66f4\u9ad8\u7248\u672c\u7684 iOS \u4e0a\uff0c\u5373\u4f7f\u5806\u4e0a\u5206\u914d\u7684\u4e24\u4e2a\u5bf9\u8c61\u5927\u5c0f\u76f8\u540c\uff0c\u7b2c\u4e8c\u4e2a\u5bf9\u8c61\u4e5f\u53ef\u80fd\u4e0d\u4f1a\u5206\u914d\u5230\u4e0e\u7b2c\u4e00\u4e2a\u91ca\u653e\u5bf9\u8c61\u76f8\u540c\u7684\u4f4d\u7f6e\u3002\u8fd9\u662f\u7531\u4e8e\u5806\u7ba1\u7406\u5668\u7ba1\u7406\u5806\u4e0a\u7684\u53ef\u7528\u7a7a\u95f4\u7684\u65b9\u5f0f\u9020\u6210\u7684\u3002\u5173\u4e8e\u8fd9\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u4e00\u4e2a\u5f88\u597d\u7684\u89e3\u91ca\u662f\u5728Azeria Labs\u535a\u5ba2\uff08<a href=\"https:\/\/azeria-labs.com\/grooming-the-ios-kernel-heap\/\">https:\/\/azeria-labs.com\/grooming-the-ios-kernel-heap\/<\/a>\uff09\u3002<\/p>\n\n\n\n<p>\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff0c\u5728\u5806\u4e0a\uff0c\u53ef\u80fd\u5b58\u5728\u51e0\u4e2a\u95f4\u9699\uff0c\u65b0\u7684malloc&#8217;d\u5bf9\u8c61\u5c06\u88ab\u5199\u5165\u5176\u4e2d\u3002\u6211\u4eec\u7684\u76ee\u6807\u662f\u7ee7\u7eed\u7528\u6570\u636e\u586b\u8865\u8fd9\u4e9b\u7a7a\u767d\uff0c\u4ee5\u589e\u52a0\u6211\u4eec\u7684\u6570\u636e\u88ab\u5199\u5165\u5806\u4e0a\u653b\u51fb\u8005\u91ca\u653e\u533a\u57df\u7684\u673a\u4f1a\u3002\u4e3a\u6b64\uff0c\u60a8\u53ea\u9700\u7ee7\u7eed\u55b7\u6d12\u5806\u5e76\u7528\u5bf9\u8c61\u586b\u5145\u6240\u6709\u53ef\u7528\u95f4\u9699\uff0c\u76f4\u5230\u6211\u4eec\u7684\u5bf9\u8c61\u5199\u5165\u6240\u9700\u7684\u5806\u90e8\u5206\u3002<\/p>\n\n\n\n<p>\u5728\u4e0b\u56fe\u4e2d\uff0c\u8fd9\u662f\u6211\u4eec\u5f53\u524d\u5806\u72b6\u6001\u7684*VERY*\u7c97\u7565\u8868\u793a\u3002\u6211\u7b80\u5316\u4e86\u8fd9\u4e00\u70b9\uff0c\u6240\u4ee5\u5b83\u66f4\u5bb9\u6613\u7406\u89e3\u3002\u57fa\u672c\u4e0a\uff0c\u6211\u4eec\u6709\u81ea\u7531\u7684\u95f4\u9699\uff0c\u6211\u4eec\u91ca\u653e\u7684\u4efb\u52a1\u5bf9\u8c61\u5c31\u5750\u5728\u5806\u4e0a\u3002\u4f46\u662f\uff0c\u6211\u4eec\u7684\u9879\u76ee.txt\u88ab\u5199\u5165\u5806\u4e0a\u53e6\u4e00\u4e2a\u91ca\u653e\u7684\u95f4\u9699\uff0c\u4f4d\u4e8e\u4e0d\u540c\u7684\u5730\u5740\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u8981\u6267\u884c\u5806\u6574\u7406\uff0c\u6211\u4eec\u9700\u8981\u586b\u5145\u5806\uff0c\u76f4\u5230\u533a\u57df\u4e2d\u53ea\u6709\u91ca\u653e\u7684\u533a\u57df\u53ef\u4ee5\u5bb9\u7eb3malloc&#8217;d\u7269\u54c1\u7684\u5927\u5c0f.txt\u5bf9\u8c61\u662f\u539f\u59cb\u91ca\u653e\u7684\u4efb\u52a1\u5bf9\u8c61\u5730\u5740\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgKJ7rN0gg_xaHdmEjPHa79t8T2pSdU67U7BgdBTMkaFU-B-7qPo0UaP9aPuutLOGciJphWSmQvnay_B16nEIZWWVPuV3ZloueNUXqmTmrjFe9_1ex60-hssiekyYJQ6X335AeFtnSr2Egt38-Tx_ev3TuMZXWuCYLfyi74Bz7p3-iaIUUAdSaySATsTA\/s16000\/Screen%20Shot%202022-07-11%20at%206.34.52%20pm.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5728\u6211\u4eec\u7684\u7a0b\u5e8f\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u7ee7\u7eed\u8c03\u7528[4]\u5bfc\u5165\u9879\u76ee\u8c03\u7528malloc\uff0c\u76f4\u5230\u6211\u4eec\u5f97\u5230\u6211\u4eec\u7684\u9879\u76ee.txt\u5206\u914d\u7ed9\u5269\u4f59\u533a\u57df\u4e2d\u552f\u4e00\u7684\u95f4\u9699 &#8211; \u4e0e\u91ca\u653e\u7684quest\u5bf9\u8c61\u76f8\u540c\u7684\u5730\u5740\u3002\u8fd9\u4e2a\u7a0b\u5e8f\u662f\u4e00\u4e2a\u66f4\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u56e0\u4e3a\u6211\u5bf9\u5b83\u8fdb\u884c\u4e86\u7f16\u7801\uff0c\u4ee5\u4fbf\u4e24\u4e2a\u5bf9\u8c61\u7684\u5927\u5c0f\u76f8\u540c\u3002<\/p>\n\n\n\n<p><strong>10. \u518d\u6b21\u8c03\u7528 [4] \u5bfc\u5165\u9879\u76ee<\/strong><\/p>\n\n\n\n<p>\u60a8\u53ef\u80fd\u9700\u8981\u8c03\u7528 [4] \u7684\u6b21\u6570\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u60a8\u9700\u8981\u7ee7\u7eed\u8be5\u8fc7\u7a0b\u5e76\u7ee7\u7eed\u8c03\u7528\u5b83\u5e76\u68c0\u67e5 x0 \u5bc4\u5b58\u5668\uff0c\u76f4\u5230\u6211\u4eec\u5728\u5806\u4e0a\u547d\u4e2d\u4e0e0x0000000104b06ce0\u5904\u7684\u539f\u59cb\u5bf9\u8c61\u76f8\u540c\u7684\u5730\u5740\u3002\u6b63\u5982\u60a8\u5728\u7a0b\u5e8f\u7684\u7b2c\u4e8c\u6b21\u8fed\u4ee3\u4e2d\u770b\u5230\u7684\u90a3\u6837\uff0c\u6211\u4eec\u5df2\u7ecf\u5c06\u7b2c\u4e8c\u4e2amalloc\u8bbe\u7f6e\u4e3a\u76f8\u540c\u7684\u5730\u5740 &#8211; 0x0000000104b06ce0\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjTfXMUgnV6oPqE3IK95EDg9r_VZu6vv3ed1IlA3mCfYgekjpKQOmKQaDGSch95B5ZLI88kbQ-RFKbeAzyVZiHFnLH7rOLXHU5O56ft5J3L5tfHNYe7cezgqdx9vsvYkruNsYWjedI4bcYcUAUI7TtXgOA_OanUoUwIKD-Yg2wQr-_rsjwYHLa5DMtfNQ\/s16000\/18.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6b64\u65f6\uff0c\u6211\u4eec\u5c06\u70b9\u51fb\u201c\u8fdb\u7a0b\u7ee7\u7eed\u201d\u4ee5\u5141\u8bb8\u586b\u5145\u5806\u3002\u4ece\u4e0b\u9762\u7684\u5c4f\u5e55\u622a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u6211\u4eec\u5df2\u7ecf\u7528\u5341\u516d\u8fdb\u5236\u8868\u793a\u201cAAAAAAAABBBBBBBBCCCCCDDDDDDDDDEEEEEEEEFFFFFFFF\u201d\u8986\u76d6\u4e86\u5806\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEh4GGO7No69l3qPgvMUBRO12X3VXJuV_n0SziEHqE0TAr_JKVxqW3t9wi7A57xrz_60CFnqRa01gD5GpHCEpv4QATc7c5Kj_4JHBo17SHfTd01WJcq27cHMEAZsdxwmH8liWvZSUYP9kRQR5ZhKH2XzYNVPopxmAdBu45w656uFI_plOvFoGUix4LBPQw\/s16000\/19.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u4ee5\u7ea2\u8272\u7a81\u51fa\u663e\u793a\u7684\u662f\u201cEEEEEEEE\u201d\u7684\u5341\u516d\u8fdb\u5236\u3002\u8fd9\u662f\u6211\u4eec\u5206\u914d\u4efb\u52a1\u6570\u636e\u65f6\u201clistQuests\uff08\uff09\u201d\u9a7b\u7559\u5728\u539f\u59cb\u5806\u4e0a\u7684\u4f4d\u7f6e\u3002\u8fd9\u610f\u5473\u7740\u5f53\u6211\u4eec\u7f16\u8f91\u6709\u6548\u8d1f\u8f7d\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5c06\u5176\u66ff\u6362\u4e3a\u201cmakeItRain\uff08\uff09\u201d\u51fd\u6570\u7684\u5730\u5740\u3002<\/p>\n\n\n\n<p><strong>\u5145\u5206\u5229\u7528<\/strong><\/p>\n\n\n\n<p>\u73b0\u5728\u6211\u4eec\u77e5\u9053\u6211\u4eec\u9700\u8981\u5c06\u6709\u6548\u8d1f\u8f7d\u4e2d\u7684EEEEEEEE\u66ff\u6362\u4e3amakeItRain\uff08\uff09\u51fd\u6570\u7684\u5730\u5740\u3002\u6211\u4eec\u5df2\u51c6\u5907\u597d\u6267\u884c\u5b8c\u6574\u7684\u6f0f\u6d1e\u5229\u7528\u3002\u8ba9\u6211\u4eec\u5f97\u5230\u5b83\uff01<\/p>\n\n\n\n<p><strong>\u6b65\u9aa4 1\uff1a\u91cd\u65b0\u8fd0\u884c\u4e8c\u8fdb\u5236\u6587\u4ef6<\/strong><\/p>\n\n\n\n<p>\u6211\u4eec\u5c06\u5f00\u59cb\u5bf9\u6b63\u5728\u8fd0\u884c\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u8fdb\u884c\u5168\u65b0\u8c03\u8bd5\u3002\u56e0\u6b64\uff0c\u53ea\u9700\u518d\u6b21\u52a0\u8f7d\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u7136\u540e\u901a\u8fc7\u8fdc\u7a0b\u5de5\u4f5c\u7ad9\u8fde\u63a5\u5230\u8be5\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u5373\u53ef\u6267\u884c\u8be5\u6f0f\u6d1e\u5229\u7528\u3002<\/p>\n\n\n\n<p><strong>\u6b65\u9aa4 2\uff1a\u91cd\u590d\u5806\u6ea2\u51fa\u90e8\u5206\u4e2d\u7684\u6b65\u9aa4 2-4<\/strong><\/p>\n\n\n\n<p>\u518d\u4e00\u6b21\uff0c\u6211\u4eec\u9700\u8981\u5728\u5bf9malloc\u7684\u4e24\u6b21\u8c03\u7528\u4e4b\u540e\u7684\u5730\u5740\u4e0a\u8bbe\u7f6e\u65ad\u70b9\uff0c\u8fd9\u6837\u6211\u4eec\u624d\u80fd\u786e\u4fdd\u5199\u5165\u76f8\u540c\u7684\u5806\u5730\u5740\u3002\u5bf9\u4e8e\u5b9e\u9645\u5229\u7528\uff0c\u60a8\u53ef\u4ee5\u5ffd\u7565\u5728\u201cfree\u201d\u51fd\u6570\u8c03\u7528\u4e4b\u540e\u8bbe\u7f6e\u7684\u7b2c\u4e09\u4e2a\u65ad\u70b9\u3002\u5982\u679c\u5806\u5730\u5740\u4e0d\u540c\uff0c\u53ea\u8981\u8bb0\u4f4f\u4f60\u53ef\u80fd\u9700\u8981\u5806\u68b3\u7406\uff0c\u6211\u5f88\u5c11\u770b\u5230\u5b83\u76f4\u63a5\u51fb\u4e2d\u76f8\u540c\u7684\u5730\u5740\u3002<\/p>\n\n\n\n<p><strong>\u6b65\u9aa4 3\uff1a\u83b7\u53d6 makeItRain\uff08\uff09 \u51fd\u6570\u7684\u8fd0\u884c\u65f6\u5730\u5740<\/strong><\/p>\n\n\n\n<p>\u6211\u4eec\u9700\u8981\u66f4\u6539\u6709\u6548\u8d1f\u8f7d\uff0c\u4ee5\u5728\u8fd0\u884c\u65f6\u5c06 EEEEEEEE \u66ff\u6362\u4e3a makeItRain \u51fd\u6570\u7684\u5730\u5740\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u53cd\u6c47\u7f16\u6b64\u51fd\u6570\u5e76\u83b7\u53d60x1028637bc\u7684\u8f93\u5165\u5730\u5740\u3002<\/p>\n\n\n\n<p>\u8981\u8bbe\u7f6e\u65ad\u70b9\uff0c\u60a8\u53ea\u9700\u8fd0\u884c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>br s -a 0x1028637bc<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEiqdFb7ZMJLitMQNi_cOFU755lXRpFpFU22AguYlryQoC1T1UWwpMO6vHKlFPyrEDYM5KQrbWYOHG7q-BjNzQIPOXw-_pmdlU1_UMRi6yEp6lGvTbe6RDvaXoZ-miapFuDIRZo2lZX7-dQjHYla-JIujAWarA4pnuq6qkTUDrUf6lkPs4D9El4_33rT8w\/s16000\/2.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u6b65\u9aa4 4\uff1a\u66f4\u6362\u8d1f\u8f7d<\/strong><\/p>\n\n\n\n<p>\u76ee\u524d\uff0c\u6211\u4eec\u7684\u6709\u6548\u8f7d\u8377\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p>\\x41\\x41\\x41\\x41\\x41\\x41\\x41\\x41\\x42\\x42\\x42\\x42\\x42\\x42\\x42\\x42\\x43\\x43\\x43\\x43\\x43\\x43\\x43\\x43\\x44\\x44\\x44\\x44\\x44\\x44\\x44\\x44\\x45\\x45\\x45\\x45\\x45\\x45\\x45\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46<\/p>\n\n\n\n<p>\u6211\u4eec\u9700\u8981\u5c06 \\x45\\x45\\x45\\x45\\x45\\x45\\x45\\x45\\x45 \u90e8\u5206\u66ff\u6362\u4e3a makeItRain 0x1028637bc\u5730\u5740\u7684\u5c0f\u5b57\u8282\u5e8f\u7248\u672c\u3002<\/p>\n\n\n\n<p>\u8fd9\u4f1a\u5c06\u6709\u6548\u8d1f\u8f7d\u8f6c\u6362\u4e3a\uff1a<\/p>\n\n\n\n<p>\\x41\\x41\\x41\\x41\\x41\\x41\\x41\\x41\\x42\\x42\\x42\\x42\\x42\\x42\\x42\\x42\\x43\\x43\\x43\\x43\\x43\\x43\\x43\\x44\\x44\\x44\\x44\\x44\\x44\\x44\\x44\\x44\\xbc\\x37\\x86\\x02\\x01\\x00\\x00\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46\\x46<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgUKf11nkKoS4I24yA2eSxA4R7bzM8xKgpeVzEwCmYAwuMUzbDogsTHuT2gfz-MryjtLNJM31zu5ozQW3fgTkVbWcXtX3gJbEf5aQBHpsLhR3BrOJHYVrGKO1qhpOB2DlL8ReJGQKvHO7ZVGph7JzGOfcp9nnLv3SEOQA9Swx7HptzOb9xoCwwKXG606w\/s16000\/3.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u6b65\u9aa4 5\uff1a\u4eceitems.txt\u4e2d\u8bfb\u53d6<\/strong><\/p>\n\n\n\n<p>\u5728\u8bfb\u53d6\u6587\u4ef6\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u5df2\u5206\u914d\u65b0\u4efb\u52a1 [2] \u5e76\u91ca\u653e\u5b83 [5]\u3002\u7136\u540e\u8c03\u7528 [4] \u5bfc\u5165\u9879\u76ee\uff0c\u68c0\u67e5\u5806\u5730\u5740\u662f\u5426\u76f8\u540c\u3002\u5982\u679c\u6ca1\u6709\uff0c\u90a3\u4e48\u4f60\u9700\u8981\u5806\u55b7\uff0c\u76f4\u5230\u5b83\u662f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEg-kKfNiv9DzY6X3XsZ-epclE98guR5o-Nnrj1NmNEDMHDJ5bJfOQS4IqlK1Uw7HGrgchWvVgpMNuy3JqS3v9TqjBzLNMw-9jGBh4GDj1Zpt7H54JeXWlBa9uVMe4fAoLKiWQIvCWEjZYf0-ga8956nNSAiCgIPNqsFogDhYZk72vqlmPlhbfNuPchNoQ\/s16000\/4.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u6b65\u9aa4 6\uff1a\u68c0\u67e5\u5806\u548c\u5806\u4e0a\u7684\u6709\u6548\u8d1f\u8f7d<\/strong><\/p>\n\n\n\n<p>\u6211\u559c\u6b22\u4e2d\u65ad\u8be5\u8fc7\u7a0b\u5e76\u786e\u4fdd\u5730\u5740\u6b63\u786e\u5199\u5165\u5806\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u6267\u884c\u6b64\u64cd\u4f5c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8fdb\u7a0b\u4e2d\u65ad<\/li><li>x\/64 0x0000000102a04510<\/li><\/ul>\n\n\n\n<p>\u4ece\u4e0b\u9762\u7684\u5c4f\u5e55\u622a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u6211\u4eec\u5df2\u7ecf\u6210\u529f\u5730\u7528makeItRain\uff08\uff09\u51fd\u6570\u8986\u76d6\u4e86\u5806\u7684\u51fd\u6570\u8c03\u7528\u533a\u57df\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEiXUUijpq07j6kfO9t8G23ilezsYkdsDO6B7aVesPPuj8yzmgGCaUe8RamJ9fTi0DHIGlrIg2icNMgG8wEw4lgYLf0bw754xuASOpQ4UZoTrZX6aR8W0BkZzc0bugzMIlCMnQQABXFLtwFbgj4pt3r2dmglwCDRZT4h1B4ROjKBJtoMOzEHBxPNWCqORw\/s16000\/5.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u7b2c7\u6b65\uff1a\u8ba9\u5b83\u4e0b\u96e8\u5b9d\u8d1d\uff01<\/strong><\/p>\n\n\n\n<p>\u73b0\u5728\u662f\u65f6\u5019\u89e6\u53d1\u6f0f\u6d1e\u5229\u7528\u4e86\u3002\u4e3a\u6b64\uff0c\u60a8\u53ea\u9700\u8981\u8c03\u7528[3]\u53ef\u7528\u4efb\u52a1\u51fd\u6570\uff0c\u5b83\u5c31\u4f1a\u8df3\u8f6c\u5230makeItRain\uff08\uff09\u5730\u5740\u3002\u6b63\u5982\u60a8\u5728\u4e0b\u9762\u770b\u5230\u7684\uff0c\u8fd9\u662f\u6210\u529f\u7684\uff01<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjzldzadz6j4Se11vvarZeh9wZkmvmaebuXK4W7idLwa1CmpWfnYSKG780N_s5nA4ypnNrzWQErFGw7gdcPDJvstYA1SPWVEnCmR9bFtFWCSrwGlPHdXqfHupkgVDFCmU507ZxFYO5L9LI6Qmll9YGxKS7UBt5P5eUB_h3fU934kIP1YQTBB5dkX6Iqrg\/s16000\/6.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u73b0\u5728\u8981\u505a\u7684\u5c31\u662f\u5c1d\u8bd5\u83b7\u5f97\u6211\u4eec\u7684\u4f20\u5947\u7269\u54c1UwU\u3002\u6b63\u5982\u60a8\u5728\u4e0b\u9762\u770b\u5230\u7684\uff0c\u8fd9\u662f\u4e00\u4e2a\u6210\u529f\uff01\u5806\u6ea2\u51fa\uff0cUAF \u6ee5\u7528\u4e0e\u5806\u68b3\u7406\u5b8c\u6210 \uff01<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjREL1NN-Z4Ih_VHFN5BRACrHmLQwYlQDZhIK7NuBqT8SvL27epWru2b_4fCf9P62l3Ua5a5apUa9Xk66R7b2JibiYatv1V-aIW4vVuOrZHrZxWGan24Sjz1hJmijFbEFonK6qQGzn25EuJX9eBq40rSz3WAGnMVsDYkwjy39KwZqMZQSL2jk-0oUXlpg\/s16000\/7.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u5176\u4ed6\u8d44\u6e90<\/strong><\/p>\n\n\n\n<p>\u6211\u6ce8\u610f\u5230\u6ca1\u6709\u591a\u5c11\u8d44\u6e90\u4e13\u95e8\u7528\u4e8earm64\u3002arm32\u4e0a\u6709\u4e00\u4e9b\uff0c\u4f46\u5927\u591a\u6570\u5f00\u53d1\u6587\u7ae0\u90fd\u96c6\u4e2d\u5728x86\u4e0a\u3002\u6211\u5efa\u8bae\u60a8\u8fdb\u4e00\u6b65\u7814\u7a76\uff0c\u8bf7\u67e5\u770b\u4ee5\u4e0b\u8d44\u6e90T_T<\/p>\n\n\n\n<p>\u963f\u6cfd\u91cc\u4e9a\u5b9e\u9a8c\u5ba4\uff1a<a href=\"https:\/\/azeria-labs.com\/heap-overflows-and-the-ios-kernel-heap\/\">https:\/\/azeria-labs.com\/heap-overflows-and-the-ios-kernel-heap\/<\/a><\/p>\n\n\n\n<p>\u9ad8\u96be\u5ea6\u9ed1\u5ba2\uff1a<a href=\"https:\/\/highaltitudehacks.com\/2020\/09\/06\/arm64-reversing-and-exploitation-part-2-use-after-free\/\">https:\/\/highaltitudehacks.com\/2020\/09\/06\/arm64-reversing-and-exploitation-part-2-use-after-free\/<\/a><\/p>\n\n\n\n<p>\u6bd4\u5229\u00b7\u57c3\u5229\u65af\uff1a<a 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