ptr-yudai https://blog.hatena.ne.jp/ptr-yudai/ CTFするぞ https://ptr-yudai.hatenablog.com/ CTF Writeup I played CTFZone 2019 Quals in zer0pts. Our team got 879pts and kept 37th place. Thank you for organizing the CTF. Here's the tasks and solvers for some challenges I solved. https://bitbucket.org/ptr-yudai/writeups/src/master/2019/CTFZone_2019_Quals/ [Pwn] Tic-tac-toe [Rev] Baby rev [Rev] Strange PD… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2019%2F12%2F02%2F093635" title="CTFZone 2019 Quals Writeup - CTFするぞ" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/p/ptr-yudai/20191202/20191202093256.png Hatena Blog https://hatena.blog 2019-12-02 09:36:35 rich https://ptr-yudai.hatenablog.com/entry/2019/12/02/093635 1.0 100%