{"version":"1.0","title":"Harekaze CTF 2019\u306eWriteup","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2019%2F05%2F19%2F154344\" title=\"Harekaze CTF 2019\u306eWriteup - CTF\u3059\u308b\u305e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","provider_url":"https://hatena.blog","image_url":null,"provider_name":"Hatena Blog","url":"https://ptr-yudai.hatenablog.com/entry/2019/05/19/154344","blog_title":"CTF\u3059\u308b\u305e","type":"rich","categories":["CTF","Writeup"],"description":"5\u670818\u65e5\u306e15\u6642\u304b\u308924\u6642\u9593Harekaze CTF 2019\u304c\u958b\u50ac\u3055\u308c\u307e\u3057\u305f\u3002 \u79c1\u306f\u30c1\u30fc\u30e0Yokosuka Hackers\u3068\u3057\u3066\u53c2\u52a0\u3057\u3001\u30c1\u30fc\u30e0\u5168\u4f53\u30673060pts\u3092\u7372\u5f97\u3057\u30661\u4f4d\u3067\u3057\u305f\u3002 \u306a\u3093\u3068\u30d5\u30e9\u30b0\u3092\u901a\u3057\u305f\u306e\u306f2\u554f\u3060\u3051\u3068\u3044\u3046\u5931\u614b\u3067\u3059\u304c\u3001\u4eca\u56de\u306f\u307f\u3093\u306a\u3067\u60c5\u5831\u5171\u6709\u3057\u3066\u5354\u529b\u3057\u306a\u304c\u3089\u3068\u3044\u3046\u611f\u3058\u3060\u3063\u305f\u306e\u3067OK\u3002 \u30d5\u30e9\u30b0\u3092\u901a\u3057\u305f\u554f\u984c\u4ee5\u5916\u3082\u3001\u6311\u6226\u3057\u305f\u554f\u984c\u306f\u89e3\u304d\u65b9\u3092\u66f8\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002 Baby ROP \u30b9\u30bf\u30c3\u30af\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u304c\u3042\u308b\u306e\u3067\u3084\u308b\u3060\u3051\u3002 \u30b5\u30fc\u30d0\u30fc\u5074\u306f\u53e4\u3044libc\u306a\u306e\u3067ret2plt\u306esystem(\"/bin/sh\")\u304c\u52d5\u304d\u307e\u3059\u3002 \u307e\u305f\u3001\"/bin/sh\"\u306f\u30d0\u30a4\u30ca\u30ea\u306e\u4e2d\u306b\u5b58\u5728\u3059\u308b\u306e\u3067\u305d\u308c\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002\u2026","width":"100%","blog_url":"https://ptr-yudai.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/ptr-yudai/","author_name":"ptr-yudai","published":"2019-05-19 15:43:44"}