{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finaz2.hatenablog.com%2Fentry%2F2014%2F09%2F22%2F131047\" title=\"x64\u3067\u5b9f\u884c\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3059\u308b\u5165\u51fa\u529b\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u691c\u77e5\u3057\u3066\u307f\u308b - \u3082\u3082\u3044\u308d\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://inaz2.hatenablog.com/entry/2014/09/22/131047","type":"rich","provider_name":"Hatena Blog","width":"100%","version":"1.0","blog_url":"https://inaz2.hatenablog.com/","provider_url":"https://hatena.blog","blog_title":"\u3082\u3082\u3044\u308d\u30c6\u30af\u30ce\u30ed\u30b8\u30fc","published":"2014-09-22 13:10:47","title":"x64\u3067\u5b9f\u884c\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3059\u308b\u5165\u51fa\u529b\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u691c\u77e5\u3057\u3066\u307f\u308b","description":"\u300cx64\u3067Dynamic ROP + Return-to-vuln\u306b\u3088\u308bASLR+DEP+RELRO\u56de\u907f\u3092\u3084\u3063\u3066\u307f\u308b\u300d\u3067\u306f\u3001leave\u547d\u4ee4\u306b\u3088\u308bstack pivot\u304c\u3067\u304d\u306a\u3044\u5834\u5408\u3067\u3082\u540c\u4e00\u306e\u8106\u5f31\u6027\u3092\u8907\u6570\u56de\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u30b7\u30a7\u30eb\u3092\u8d77\u52d5\u3057\u305f\u3002 \u307e\u305f\u3001\u30b7\u30a7\u30eb\u306e\u8d77\u52d5\u306b\u306flibc\u30d0\u30a4\u30ca\u30ea\u306e\u4e2d\u8eab\u3092write(2)\u3067\u8aad\u307f\u51fa\u3057\u5f97\u3089\u308c\u305fROP gadget\u3092\u5229\u7528\u3057\u305f\u3002 \u3053\u3053\u3067\u306f\u3001ptrace\u3092\u5229\u7528\u3057\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u3067\u3001Dynamic ROP\u306e\u691c\u77e5\u3092\u3084\u3063\u3066\u307f\u308b\u3002 \u74b0\u5883 Ubuntu 12.04 LTS 64bit\u7248 $ uname -a Linux vm-ubuntu64 3.11.0-15-gener\u2026","height":"190","categories":["Defense"],"author_name":"inaz2","author_url":"https://blog.hatena.ne.jp/inaz2/","image_url":null}