{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgen-ius.hatenablog.com%2Fentry%2F2025%2F12%2F24%2F005512\" title=\"Daily AlpacaHack: Rotten Beef Writeup - recollect(traces);\" 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://gen-ius.hatenablog.com/entry/2025/12/24/005512","blog_url":"https://gen-ius.hatenablog.com/","blog_title":"recollect(traces);","author_name":"Gen_IUS","title":"Daily AlpacaHack: Rotten Beef Writeup","categories":["Daily AlpacaHack","CTF"],"image_url":null,"type":"rich","provider_name":"Hatena Blog","description":"\u4ee5\u4e0b\u306e\u3088\u3046\u306a C \u3067\u66f8\u304b\u308c\u305f\u30b3\u30fc\u30c9\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u307f\u306e\u5b9f\u884c\u53ef\u80fd\u30d0\u30a4\u30ca\u30ea\u3001\u305d\u308c\u304c\u52d5\u3044\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u304c\u6e21\u3055\u308c\u307e\u3059\u3002 \u30b3\u30fc\u30c9\u3092\u8aad\u3080\u3068\u3001 scanf \u3067\u6a19\u6e96\u5165\u529b\u304b\u3089\u8aad\u307f\u53d6\u3089\u308c\u305f\u6587\u5b57\u5217\u304c printf \u306e\u7b2c\u4e00\u5f15\u6570\u3068\u3057\u3066\u6e21\u3063\u3066\u3044\u3066\u3001FSB \u304c\u3042\u308a\u305d\u3046\u306a\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002 \u5f8c\u7d9a\u306e\u51e6\u7406\u3092\u8aad\u3080\u3068\u3001 key \u304c 0xbeef \u306b\u306a\u3063\u3066\u3044\u308c\u3070\u3001\u30b7\u30a7\u30eb\u304c\u5b9f\u884c\u3055\u308c\u3066\u3001\u30d5\u30e9\u30b0\u3092\u8aad\u3080\u3053\u3068\u304c\u3067\u304d\u305d\u3046\u3067\u3059\u3002 #include <stdio.h> #include <unistd.h> int main(void) { int key = 0xdead, dummy = 0xdead; char buffer[12]; print\u2026","provider_url":"https://hatena.blog","published":"2025-12-24 00:55:12","version":"1.0","height":"190","width":"100%","author_url":"https://blog.hatena.ne.jp/Gen_IUS/"}