inaz2 https://blog.hatena.ne.jp/inaz2/ ももいろテクノロジー https://inaz2.hatenablog.com/ CTF Insomni'hack teaser 2017に参加。250ptで93位。 baby (Pwn 50) NX、PIE、FullRELROが有効なx86-64 ELF。 # file baby baby: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, not stripped # gdb -q ./baby Reading symbols from ./baby..… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Finaz2.hatenablog.com%2Fentry%2F2017%2F01%2F23%2F204039" title=" Insomni&#39;hack teaser 2017 供養（Writeup） - ももいろテクノロジー" 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/i/inaz2/20170122/20170122185450.png Hatena Blog https://hatena.blog 2017-01-23 20:40:39 rich https://inaz2.hatenablog.com/entry/2017/01/23/204039 1.0 100%