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Tokyo Westerns CTF 3rd 2017

Now Score server is available!

About

Tokyo Westerns CTF is a security competition hosted by Tokyo Westerns. This is our third CTF.

Information

Format
Jeopardy
Date
2017/09/02 00:00 - 2017/09/04 00:00 (UTC)
Genres
Crypto, Pwning, Programming, Reversing, Web, ...
Language
Challenges are available in both English and Japanese.

Registartion

Now Score server is available!

Rules/Prohibitions

  • Team competition
  • Team capacity is unlimited.
  • The flag format is "TWCTF{something}" unless otherwise specified.
  • You will get points after submitting a flag to the score server.
  • Some challenges may have multiple flags.
  • Earlier team would get higher rank if some teams had same points.
  • If you have any questions during the content, please contact us on IRC. (refer to "IRC Information" to get more details.)

  • Do not attack/obstruct other teams.
  • Do not attack any other servers except *.chal.ctf.westerns.tokyo.
  • Do not share answers/hints with other teams.
  • Be Kind to server resources.

IRC Information

IRC Server
chat.freenode.net (freenode)
Channels
#twctf-2017 (in English), #twctf-2017-ja (in Japanese, UTF-8)

Past Contests