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  <author_name>hama7230</author_name>
  <author_url>https://blog.hatena.ne.jp/hama7230/</author_url>
  <blog_title>ブログ未満のなにか</blog_title>
  <blog_url>https://hama.hatenadiary.jp/</blog_url>
  <categories>
    <anon>writeup</anon>
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  <description>once (pwn, 281pts) libcのアドレスは適当な選択をすれば漏れてくるので、適当に双方向リストのポインタを上書きした。 #!/usr/bin/env python from pwn import * context(os='linux', arch='amd64') context.log_level = 'debug' # output verbose log RHOST = &quot;47.75.189.102&quot; RPORT = 9999 LHOST = &quot;127.0.0.1&quot; LPORT = 9999 # libc = ELF('./libc-2.23.so') elf = EL…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2018-04-19 01:00:55</published>
  <title>HITB-XCTF GSEC CTF 2018 Quals writeup</title>
  <type>rich</type>
  <url>https://hama.hatenadiary.jp/entry/2018/04/19/010055</url>
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