{"provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/h/hiikunZ/20251215/20251215135120.png","author_name":"hiikunZ","published":"2025-12-16 00:00:00","description":"\u306f\u3058\u3081\u306b \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u79c1\u304c 2025 \u5e74 12 \u6708 15 \u65e5\u306b Daily AlpacaHack \u3067\u51fa\u984c\u3057\u305f Flag Printer 2100 \u306e\u89e3\u8aac\u3092\u3057\u307e\u3059\u3002\u554f\u984c\u3092\u5148\u306b\u89e3\u304d\u305f\u3044\u65b9\u306f \u3053\u3061\u3089 \u304b\u3089\u3069\u3046\u305e\u3002 \u554f\u984c\u6587 75 \u5e74\u5f8c\u306b\u30d5\u30e9\u30b0\u3092\u51fa\u529b\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u3063\u305f\u306e\u3067\u30012100 \u5e74\u307e\u3067\u5f85\u3063\u3066\u306d! \u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb: print_flag (ELF \u30d5\u30a1\u30a4\u30eb) \u89e3\u8aac \u307e\u305a\u3001\u4e0e\u3048\u3089\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3092 ghidra \u306a\u3069\u3067\u9759\u7684\u89e3\u6790\u3057\u307e\u3059\u3002main \u95a2\u6570\u3092\u898b\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u304c\u898b\u3048\u307e\u3059\u3002 int main() { printf(\"I'll sleep for 75 years...\\n\"); sleep\u2026","width":"100%","title":"Flag Printer 2100(Daily AlpacaHack 2025/12/15) \u516c\u5f0fWriteUp","height":"190","categories":["CTF"],"blog_title":"hiikunZ \u306e\u30d6\u30ed\u30b0","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhiikunz.hatenablog.com%2Fentry%2FDaily_AlpacaHack_20251215\" title=\"Flag Printer 2100(Daily AlpacaHack 2025/12/15) \u516c\u5f0fWriteUp - hiikunZ \u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/hiikunZ/","blog_url":"https://hiikunz.hatenablog.com/","provider_name":"Hatena Blog","url":"https://hiikunz.hatenablog.com/entry/Daily_AlpacaHack_20251215","type":"rich"}