kira000 https://blog.hatena.ne.jp/kira000/ kira924age’s note https://kira924age.hatenadiary.com/ CTF Reversing picoCTF2018 Baby 問題 問題文 You find this when searching for some music, which leads you to be-quick-or-be-dead-1. Can you run it fast enough? You can also find the executable in /problems/be-quick-or-be-dead-1_3_aeb48854203a88fb1da963f41ae06a1c. 問題概要 x64のELFファイルが与えられる. 解答例 指針 gdb 等のデバッガで解析する 解説 wget で Download $ wget -… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkira924age.hatenadiary.com%2Fentry%2F2020%2F03%2F14%2F080936" title="picoCTF2018: be-quick-or-be-dead-1 - kira924age’s note" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://chart.apis.google.com/chart?cht=tx&chl=%5Ctext%7B0xdfa8fc78%7D%20-%20%5Ctext%7B0x6fd47e3c%7D%20%3D%201876196924%20%5Ccong%201.88%20%5Ccdot%2010%5E%7B9%7D Hatena Blog https://hatena.blog 2020-03-14 08:09:36 rich https://kira924age.hatenadiary.com/entry/2020/03/14/080936 1.0 100%