{"categories":["CTF","Writeup"],"provider_url":"https://hatena.blog","url":"https://ptr-yudai.hatenablog.com/entry/2019/06/30/215929","blog_url":"https://ptr-yudai.hatenablog.com/","published":"2019-06-30 21:59:29","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/p/ptr-yudai/20190630/20190630210457.png","author_url":"https://blog.hatena.ne.jp/ptr-yudai/","width":"100%","version":"1.0","blog_title":"CTF\u3059\u308b\u305e","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2019%2F06%2F30%2F215929\" title=\"ISITDTU CTF 2019 Quals Writeup - CTF\u3059\u308b\u305e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","author_name":"ptr-yudai","provider_name":"Hatena Blog","description":"ISITDTU CTF 2019 took place from June 29th for 25 hours. I played this CTF in zer0pts and we reached the 10th place. Thank you for holding the CTF. I enjoyed it :-) [Pwn 395] iz_heap_lv1 [Pwn 908] Tokenizer [Pwn 738] babyshellcode [Cryptography 239] Old story [Pwn 676] iz_heap_lv2 [Cryptography 100]\u2026","title":"ISITDTU CTF 2019 Quals Writeup"}