{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmoraprogramming.hateblo.jp%2Fentry%2F2025%2F12%2F06%2F041519\" title=\"Daily AlpacaHack 12\u67085\u65e5 -- &quot;Integer Writer&quot; writeup - \u6b23\u5feb\u306e\u81f3\u308a\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":[],"blog_title":"\u6b23\u5feb\u306e\u81f3\u308a","author_name":"moratorium08","blog_url":"https://moraprogramming.hateblo.jp/","height":"190","url":"https://moraprogramming.hateblo.jp/entry/2025/12/06/041519","provider_name":"Hatena Blog","width":"100%","title":"Daily AlpacaHack 12\u67085\u65e5 -- \"Integer Writer\" writeup","image_url":null,"provider_url":"https://hatena.blog","type":"rich","version":"1.0","author_url":"https://blog.hatena.ne.jp/moratorium08/","published":"2025-12-06 04:15:19","description":"\u66f8\u3044\u3066\u304a\u304f\u3068\u826f\u3044\u304b\u306a\u3068\u601d\u3063\u305f\u306e\u3067\u66f8\u304d\u307e\u3057\u305f\u3002 \u6982\u8981 \u6307\u5b9a\u3055\u308c\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u914d\u5217\u8981\u7d20\u306b\u6574\u6570\u3092\u66f8\u304d\u8fbc\u3080\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3001pos \u304c100\u4ee5\u4e0a\u304b\u3069\u3046\u304b\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3042\u308b\u304c\u3001\u8ca0\u306e\u5024\u306e\u30c1\u30a7\u30c3\u30af\u304c\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u306a\u306e\u3067\u914d\u5217\u5916\u306b\u66f8\u304d\u8fbc\u307f\u304c\u3067\u304d\u307e\u3059\u3002 void win() { execve(\"/bin/sh\", NULL, NULL); } int main(void) { int integers[100], pos; printf(\"pos > \"); scanf(\"%d\", &pos); if (pos >= 100) { puts(\"You're a hacker!\"); return 1; } print\u2026"}