{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fk-mawa.hateblo.jp%2Fentry%2F2018%2F06%2F13%2F004513\" title=\"Web\u306e\u30ed\u30b0\u30a4\u30f3\u30af\u30e9\u30c3\u30af\u554f\u984c\u3092\u89e3\u304f[CTF for Beginners 2018]&quot;[Warmup] Greeting&quot; - MawaLog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3","CTF","Python","JavaScript","PHP"],"author_url":"https://blog.hatena.ne.jp/k_mawa/","image_url":"https://images-fe.ssl-images-amazon.com/images/I/51BfwZJNzSL._SL160_.jpg","type":"rich","provider_name":"Hatena Blog","version":"1.0","blog_title":"MawaLog","width":"100%","title":"Web\u306e\u30ed\u30b0\u30a4\u30f3\u30af\u30e9\u30c3\u30af\u554f\u984c\u3092\u89e3\u304f[CTF for Beginners 2018]\"[Warmup] Greeting\"","height":"190","published":"2018-06-13 00:45:13","description":"\u7d4c\u7def \u3053\u306e\u8a18\u4e8b\u3092\u5143\u306bCTF\u5fa9\u7fd2\u4e2d SECCON Beginners CTF 2018 Write-up \u624b\u9806 1 \u307e\u305a\u6319\u52d5\u3092\u898b\u308b \u30b3\u30fc\u30c9\u3082\u307a\u308d\u3093\u3068\u66f8\u304b\u308c\u3066\u3044\u308b <?php if(isset($_POST['name'])) { setcookie(\"name\", $_POST['name'], time()+3600); $username = htmlspecialchars($_POST['name'], ENT_QUOTES, \"UTF-8\"); // \u7ba1\u7406\u8005\u3067\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u308b\uff1f if($username === \"admin\") { $username = \"\u507d\u7ba1\u7406\u8005\"; } } els\u2026","provider_url":"https://hatena.blog","blog_url":"https://k-mawa.hateblo.jp/","url":"https://k-mawa.hateblo.jp/entry/2018/06/13/004513","author_name":"k_mawa"}