Capture the Flag
Global information
- GreHack 2015 CTF starts at 9:00pm and ends at 6:00am.
- It is Jeopardy style by teams.
- There will be prizes to win (see corresponding section)
- Registration is required. An entrance ticket for the conferences gives access to CTF.
CTF-only tickets will also be available.
- We will provide food, drinks and music.
- Challenges are written by Securimag.
Categories
Challenges will treat the following topics (non-exhaustive):
- Cryptography
- Reverse-Engineering
- Exploit
- Web
- Forensic
Hardware requirements
Individual hardware requirements: please come with
- a computer,
- a RJ-45 cable to access challenges,
- a brain.
Team hardware requirements: each team needs to bring:
- a L2 switch,
- Power strip(s).
Prizes
Non-exhaustive list of prizes for the best teams (to be completed):
Basic rules
- Competitors have to be physically present.
- Maximum number of participants per team is 8.
- Internet connection will (probably) be provided.
It is strictly prohibited and can be subject to disqualification to:
- attack machines other than designated ones,
- share flags or solutions between teams,
- DDos Grehack CTF infrastructure.
Training
You can prepare yourself by giving a look to previous grehack challenges:
