If there is any news during the CTF we will post it here, on irc://irc.freenode.net/sha2017ctf and on Twitter.
  • All flags will have the layout of flag{MD5} and are case insensitive.
  • During the CTF the registration page will stay open for any teams who want to join after the CTF started.
  • SHA2017 CTF is a Jeopardy style CTF, there is no need to set up VPN environment.
  • There is no limit in the number of people participating per team. You only need one registration per team.
  • Sharing flags or solutions is prohibited. This action is subject to disqualification.
  • Attacking machines other than designated SHA2017 CTF machines is strictly prohibited.
  • If you are sure that you have the valid flag but the system rejects it, please contact us.
  • If you find any bug in the CTF environment, please report it to us.
  • If you are not sure if something is a violation of the rules, ask us!
  • SHA2017 CTF will not contain any bonus points.
  • Brute forcing against the SHA2017 CTF infra is not allowed.
  • Using webscanners such as Nikto, Nessus or Dirbuster will not help you solve the challenges.
  • If any cracking is needed this can be done well within an hour on a standard PC.
  • There will be no Trivia questions or 4 hour Google recon sessions.
  • There will be no hidden challenges.
  • Contact user sha2017ctf on IRC, email ctf@sha2017.org or DM us on Twitter if you have questions.
  • All challenges will be opened at the start of the SHA2017 CTF (5th of August 10.00) and stay open till the end of SHA2017 (8th of August)
  • The junior CTF is designed for beginning CTF players and is all about learning and getting a first taste of playing a CTF game
  • The IRC channel is #sha2017ctf on freenode
  • Behave
  • No trolling please
  • Please do not post any spoilers / flags
  • Please do not post any ASCII art / useless links / memes
  • Please do not request help, this is a CTF, you compete against the other teams, no one will get help
  • For questions you can contact user sha2017ctf on freenode
  • Only the SHA2017 CTF organisation will have +o, so you can recognize them
  • Although we are Dutch, the language spoken on IRC will be English