EHAX 2025

official repo

EHAX CTF 2025 is a 24 hour jeopardy style capture the flag competition which is a part of DTU's techfest: Invictus'25. Team size: 1-4 players

The challenges cover various topics such as: Cryptography, Web Security, Reverse Engineering, Binary Exploitation, Forensics, AI/ML security and IOT security. There is a flag associated to each level, players have to solve the challenges and submit the flags to reach the top of the scoreboard.

Sponsored by: CRAC Learning [https://www.crac-learning.com/]

Web 1

Challenge	Has
Quandale_Dingle	files

Pwn 2

Challenge	Has
Cash_Memo	files
Fantastic_doom	files

Reverse 6

Challenge	Has
Language	files
MBR_Shenanigans	files
Pika_Pika	files
Pizzatron_3000	files
Pizzatron_9000	files
RaceAgainstTime	files

Crypto 2

Challenge	Has
Dots_and_Dashes	files
Halleys_Comet_1	files

Forensics 4

Challenge	Has
Black_and_white	files
EHAX_Radio	files
Tazerman_Into_the_DTUverse	files
Tracks	files

Misc 2

Challenge	Has
Help_the_Hacker	files
Retrieve_the_flag	files

OSINT 1

Challenge	Has
three.little.clues	files