{"blog_title":"CTF\u3059\u308b\u305e","author_name":"ptr-yudai","url":"https://ptr-yudai.hatenablog.com/entry/2019/01/21/142143","blog_url":"https://ptr-yudai.hatenablog.com/","version":"1.0","published":"2019-01-21 14:21:43","categories":["InterKosenCTF"],"height":"190","type":"rich","provider_url":"https://hatena.blog","image_url":null,"provider_name":"Hatena Blog","title":"\u3010Pwn 300\u3011sandbox - InterKosenCTF \u4f5c\u554fwriteup","author_url":"https://blog.hatena.ne.jp/ptr-yudai/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2019%2F01%2F21%2F142143\" title=\"\u3010Pwn 300\u3011sandbox - 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>","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: The flag is written in /home/pwn/flag. nc pwn.kosenctf.com 9400 File: sandbox.tar.gz 64-bit ELF\u3068\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u6e21\u3055\u308c\u307e\u3059\u3002 introduction\u306b\u7d9a\u304d\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u69cb\u306f\u3070\u3063\u3061\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002 $ checksec sandbox [*] '/home/ptr/Do\u2026","width":"100%"}