{"type":"rich","provider_url":"https://hatena.blog","width":"100%","author_name":"hamayanhamayan","categories":["Security"],"version":"1.0","url":"https://blog.hamayanhamayan.com/entry/2025/05/24/170142","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","published":"2025-05-24 17:01:42","image_url":null,"blog_url":"https://blog.hamayanhamayan.com/","title":"TSG LIVE! 14 CTF Writeup","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2025%2F05%2F24%2F170142\" title=\"TSG LIVE! 14 CTF Writeup - \u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","height":"190","description":"[web] perling_perler [web] Shortnm [web] iwi_deco_demo \u89e3\u3051\u305a [crypto] Unnecessary Thing [web] perling_perler perl perl\u3067\u51fa\u6765\u305f\u30b5\u30a4\u30c8\u304c\u4e0e\u3048\u3089\u308c\u308b\u3002\u74b0\u5883\u5909\u6570\u306b\u30d5\u30e9\u30b0\u304c\u7f6e\u3044\u3066\u3042\u308b\u3002\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u91cd\u8981\u306a\u90e8\u5206\u306f\u4ee5\u4e0b\u3002 post '/echo' => sub { my $str = body_parameters->get('str'); unless (defined $str) { return \"No input provided\"; } if ($str =~ /[&;<>|\\(\\)\u2026"}