BjörnCTF 2024

Back by popular demand, this second edition of BjörnCTF is here with more challenges than ever!

Have you ever wanted to try your hand at being a hacker? Then this is your chance! BjörnCTF will feature many different kinds of hacking challenges, from your usual challenges involving websites or binary applications, to onsite challenges involving lock picking and a treasure hunt.

BjörnCTF is aimed both at experienced CTF players and beginners in the infosec field, with challenges that span many difficulty levels, and all different traditional CTF categories (from pwn to reverse, web and crypto, and misc).

If you want to learn more about what a CTF is and what you can expect, see the CTF Handbook.

The CTF is over.

Who

BjörnCTF is organized by flagbot, the CTF Team of VIS.

Where

While many challenges can be played online, we highly recommend you stop by in person in STUZ, CAB F21 as there are specific challenges for onsite players and free drinks.

Prizes

There will be prizes for the best teams onsite. What exactly those prizes will be remains a mystery to our competitors for now, but we will do our best to make it worth your effort. Only teams consisting of Swiss university students are eligible for prizes.

Rules

  • You can participate alone or in a team of up to 4 people.
  • Except where otherwise noted, the flags will have the format flagbot{some_flag_content_here}
  • Sharing flags, solutions, spoilers or excessive hints between teams is not allowed.
  • There is no need for any automated tools or scanners in any challenge. Bruteforcing the infrastructure needlessly could result in a ban.
  • Please report any bugs or vulnerabilities in challenges or our infrastructure privately to an organizer. Ethical hacking can be rewarded, but trying to cheat us will not be appreciated.
  • After the CTF is over, teams are welcome and encouraged to write and publish writeups of their solved challenge such that everyone can learn and improve.
  • Insurance is the responsibility of the participants.
    By participating, you agree that pictures can be taken of you and used for VIS-purposes.
    All information provided may be subject to change.

Contact

For any questions or concerns during the CTF, please join the Discord and use the ticketing system.

Sponsors

Thank you to our wonderful sponsors for making this event possible!

Siemens

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