{"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/ptr-yudai/","blog_title":"CTF\u3059\u308b\u305e","type":"rich","description":"\u306f\u3058\u3081\u306b \u3053\u306e\u8a18\u4e8b\u3067\u306fInterKosenCTF\u3067\u51fa\u984c\u3057\u305f\u554f\u984c\u306e\u89e3\u8aac\u3092\u66f8\u304d\u307e\u3059\u3002 \u4ed6\u306e\u554f\u984c\u306ewriteup\u306b\u3064\u3044\u3066\u306f\u4e0b\u8a18\u30ea\u30f3\u30af\u304b\u3089\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 ptr-yudai.hatenablog.com \u6982\u8981 Description: nc pwn.kosenctf.com 9200 File: introduction.tar.gz 32-bit ELF, libc\u3068\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u6e21\u3055\u308c\u307e\u3059\u3002\u306a\u3093\u3068Full RELRO + SSP + NX + PIE\u3068\u3044\u3046\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u69cb\u76db\u308a\u6ca2\u5c71\u3067\u3059\u3002 \u3067\u3082\u6700\u8fd1\u306egcc\u306fPIE\u3068\u304b\u6a19\u6e96\u3067\u4ed8\u3051\u3061\u3083\u3046\u304b\u3089\u6016\u3044\u3002 $ checksec introduction [*\u2026","published":"2019-01-21 14:21:26","image_url":null,"blog_url":"https://ptr-yudai.hatenablog.com/","categories":["InterKosenCTF"],"version":"1.0","height":"190","url":"https://ptr-yudai.hatenablog.com/entry/2019/01/21/142126","title":"\u3010Pwn 200\u3011introduction - InterKosenCTF \u4f5c\u554fwriteup","author_name":"ptr-yudai","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2019%2F01%2F21%2F142126\" title=\"\u3010Pwn 200\u3011introduction - InterKosenCTF \u4f5c\u554fwriteup - 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>"}