{"id":56,"date":"2020-08-19T20:44:57","date_gmt":"2020-08-19T12:44:57","guid":{"rendered":"http:\/\/47.108.144.50\/?p=56"},"modified":"2023-03-21T16:21:24","modified_gmt":"2023-03-21T08:21:24","slug":"%e5%88%a9%e7%94%a8anti-disassembly-%e6%8a%80%e6%9c%af%e6%8f%92%e5%85%a5%e8%8a%b1%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"http:\/\/pareto.fun\/?p=56","title":{"rendered":"\u5229\u7528ANTI-DISASSEMBLY \u6280\u672f\u63d2\u5165\u82b1\u6307\u4ee4"},"content":{"rendered":"\n<p>Preet kamal \u4ecb\u7ecd\u4e0d\u5c11\u80fd\u53cdIDA f5\u7684\u624b\u6bb5\uff0c\u6211\u4e3b\u8981\u8bf4\u660e\u5176\u4e2d\u6211\u6bd4\u8f83\u559c\u6b22\u7684\u65b9\u6848\uff08\u7b80\u5355\u597d\u5b9e\u73b0\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e71\u7528\u8fd4\u56de\u6307\u9488<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"603\" height=\"577\" src=\"http:\/\/47.108.144.50\/wp-content\/uploads\/2020\/08\/image-20200805125330102.png\" alt=\"image-20200805125330102\" class=\"wp-image-58\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2020\/08\/image-20200805125330102.png 603w, http:\/\/pareto.fun\/wp-content\/uploads\/2020\/08\/image-20200805125330102-300x287.png 300w\" sizes=\"(max-width: 603px) 100vw, 603px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u662f\u4e00\u6bb5\u7528\u6c47\u7f16\u5199\u7684\u4ee3\u7801 \uff0c \u5165\u53e3\u57280x8048230 \uff0c call $ + 5 \u8c03\u7528\u52300x8048230 + 5 = 0x8048235 \u5e76\u4e14\u5c060x8048235 \u653e\u5165\u6808\u9876\uff0c\u7136\u540e\u6808\u9876\u7684\u503c+5 \uff0c0x8048235 + 5 = 0x8048240 \uff0c\u6808\u9876\u7684\u503c\u4e3a0x8048240 \uff0cret \u6307\u4ee4\u8df3\u8f6c\u52300x8048240 \u8fdb\u5165\u6b63\u5e38\u7684\u6d41\u7a0b\uff0c\u800cIDA \u5728ret\u5904 \u5c06\u4f1a\u5224\u65ad\u51fd\u6570\u7ed3\u675f\uff0c\u5bfc\u81f4F5 \u53cd\u7f16\u8bd1\u5931\u8d25\u3002\u4f46\u662f\u88ab\u8fc7\u4e5f\u5f88\u7b80\u5355\uff0c\u6240\u4ee5\u53ef\u4ee5\u5728\u8df3\u8f6c\u504f\u79fb\u548c\u8fd4\u56de\u4e0a\u505a\u4e9b\u968f\u673a\u63d2\u5165\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6df7\u6dc6\u6808\u5206\u6790<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"576\" height=\"446\" src=\"http:\/\/47.108.144.50\/wp-content\/uploads\/2020\/08\/1_MT7B7Oc85CvKh18qmwNLvA.png\" alt=\"Image for post\" class=\"wp-image-59\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2020\/08\/1_MT7B7Oc85CvKh18qmwNLvA.png 576w, http:\/\/pareto.fun\/wp-content\/uploads\/2020\/08\/1_MT7B7Oc85CvKh18qmwNLvA-300x232.png 300w\" sizes=\"(max-width: 576px) 100vw, 576px\" \/><\/figure>\n\n\n\n<p>\u51fa\u95ee\u9898\u7684\u4ee3\u7801\u5c31\u51fa\u73b0\u572800401549\uff0c\u5f53\u6808\u9876\u6307\u9488\u548c0x1000h\u6bd4\u8f83\uff0c\u4e3a\u771f\u65f6\uff0cesp-104h ,\u7ee7\u7eed\u6267\u884c\u53d1\u73b0IDA\u5206\u6790\u7684\u6808\u9876\u504f\u79fb\u4e3a-F8 ,\u8fd9\u6837\u5c31\u6467\u6bc1\u4e86\u6808\u5e27\u5e76\u4e14\u4ed6\u4f1a\u4ee5\u4e3a\u670962\u4e2a\u53c2\u6570\u914d\u538b\u5165\u6808\u3002\u51fa\u73b0\u95ee\u9898\u7684\u539f\u56e0\u5c31\u5728\u6bd4\u8f83\u6307\u4ee4\u4e0a\uff0c401549\u7684cmp\u6307\u4ee4\u8981\u6c42IDA\u5bf9\u4e24\u4e2a\u5206\u652f\u8fdb\u884c\u9884\u6d4b\uff0c\u5b9e\u9645\u4e0a\u9519\u8bef\u7684\u5206\u652f\u6c38\u8fdc\u4e0d\u4f1a\u88ab\u6267\u884c\uff0c\u5c31\u770b\u4e0a\u9762\u4e24\u4e2a\u7684\u4f8b\u5b50\u53ef\u4ee5\u731c\u6d4b\uff0c\u8fd9\u662f\u7531\u4e8e\u52a8\u6001\u6267\u884c\u4fee\u6b63\u5730\u5740\u540e\u5bfc\u81f4\u51fa\u73b0\u6761\u4ef6\u8bed\u53e5\u7684\u7ed3\u679c\u548c\u9759\u6001\u5206\u6790\u65f6\u4e0d\u540c\uff0c\u540c\u6837\u7684\u95ee\u9898\u5728arm \u4e0a\u6709\u4e2a\u6307\u4ee4adrl\u4e8ePC\u76f8\u5173\u7684\u6307\u4ee4\u540c\u6837\u53ef\u4ee5\u7528\u5728IDA\u53cdf5\u4e0a\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9519\u8bef\u7684\u53cd\u6c47\u7f16<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"700\" height=\"83\" src=\"http:\/\/47.108.144.50\/wp-content\/uploads\/2020\/08\/1_-sm2XT95w7-1kQMfbhYOew.png\" alt=\"1_-sm2XT95w7-1kQMfbhYOew\" class=\"wp-image-60\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2020\/08\/1_-sm2XT95w7-1kQMfbhYOew.png 700w, http:\/\/pareto.fun\/wp-content\/uploads\/2020\/08\/1_-sm2XT95w7-1kQMfbhYOew-300x36.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p>\u7b2c\u4e00\u53e5jmp\u6307\u4ee4\uff0c\u8df3\u8f6c\u5230401216 ,\u5c31\u662fjump\u6307\u4ee4\u7684\u7b2c\u4e8c\u4e2a\u5b57\u8282\uff0c\u4f46\u662fIDA\u628aEB FF \u770b\u4f5c\u4e3a\u4e00\u53e5\u6307\u4ee4\uff0c\u5e76\u7ee7\u7eed\u5411\u4e0b\u89e3\u6790\u3002<\/p>\n\n\n\n<p>\u89e3\u51b3\u65b9\u6848\u5c31\u662f401215\u7ed9nop\u6389\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u63d2\u5165\u82b1\u6307\u4ee4\u7684\u65b9\u6848<\/h2>\n\n\n\n<p>\u901a\u8fc7\u4fee\u6539\u6808\u4e0d\u5e73\u8861\u4f8b\u5b50\u4e2d\u7684\u6c47\u7f16\u4ee3\u7801\uff0c\u6211\u6ce8\u610f\u5230\uff0c\u5176\u5b9e\u76f4\u63a5\u4fee\u6539esp\u6307\u9488\u4e5f\u80fd\u8fbe\u5230\u6548\u679c\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pus eax<br>mov eax,esp<br>add esp,0ff0H<br>mov esp,eax<br>pop eax<\/pre>\n\n\n\n<p>\u63d0\u524d\u4fdd\u5b58esp\u6307\u9488\uff0c\u7136\u540e\u4fee\u6539esp\u6307\u9488\u6700\u540e\u8fd8\u539f\uff0cIDA\u540c\u6837\u4e5f\u4f1a\u8ba4\u4e3a\u6808\u4e0d\u5e73\u8861\u3002\u800c\u4e14\u6539\u826f\u540e\u66f4\u7b80\u5355\uff0c\u5bf9\u4e8e\u65b0\u624b\u4e5f\u66f4\u5bb9\u6613\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p><a href=\"http:\/\/staff.ustc.edu.cn\/~bjhua\/courses\/security\/2014\/readings\/anti-disas.pdf\">http:\/\/staff.ustc.edu.cn\/~bjhua\/courses\/security\/2014\/readings\/anti-disas.pdf<\/a> anti-disas<\/p><p><a href=\"https:\/\/medium.com\/@preetkamal1012\/anti-disassembly-techniques-e012338f2ae0\">https:\/\/medium.com\/@preetkamal1012\/anti-disassembly-techniques-e012338f2ae0<\/a> anti-disas<\/p><p><a href=\"https:\/\/blog.csdn.net\/shallnet\/article\/details\/45544271\">https:\/\/blog.csdn.net\/shallnet\/article\/details\/45544271<\/a> AT&amp;T\u6c47\u7f16 helloworld<\/p><p><a href=\"http:\/\/docs.linuxtone.org\/ebooks\/C&amp;CPP\/c\/ch19s02.html\">http:\/\/docs.linuxtone.org\/ebooks\/C&amp;CPP\/c\/ch19s02.html<\/a> \u6c47\u7f16\u4e0eC\u4e4b\u95f4\u7684\u5173\u7cfb\uff0cmain\u51fd\u6570\u548c\u542f\u52a8\u4f8b\u7a0b<\/p><p><a href=\"https:\/\/llvm.org\/docs\/ProgrammersManual.html#passing-functions-and-other-callable-objects\">https:\/\/llvm.org\/docs\/ProgrammersManual.html#passing-functions-and-other-callable-objects<\/a> pass \u624b\u518c<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Preet kamal \u4ecb\u7ecd\u4e0d\u5c11\u80fd\u53cdIDA f5\u7684\u624b\u6bb5\uff0c\u6211\u4e3b\u8981\u8bf4\u660e\u5176\u4e2d\u6211\u6bd4\u8f83\u559c\u6b22\u7684\u65b9\u6848\uff08\u7b80\u5355\u597d\u5b9e\u73b0\uff09 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[52],"_links":{"self":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts\/56"}],"collection":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=56"}],"version-history":[{"count":6,"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts\/56\/revisions"}],"predecessor-version":[{"id":65,"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts\/56\/revisions\/65"}],"wp:attachment":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=56"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=56"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=56"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}