GCC2024 GCC CTF 2024 is an online CTF organized by GCC (Galettes, Cidre, CTF), a CTF club from the ENSIBS school. The CTF is open to everyone and is held from the 1st to the 3rd of March 2024. I played with the S’hydrat team under the name Sérendipité .
The challenges and some writeups are available at the official GCC CTF 2024 repository .
Scoreboard
Scoreboard
Challenges
Crypto
Solved Name Points Tags Description GCC News 100 Crypto
SuperAES 404 Crypto
Elliptic 471 Crypto
Too Many Leaks 397 Crypto
Trust Issues 500 Crypto
Forensic
Solved Name Points Tags Description BipBipBiiip 100 Forensic
Pretty Links 348 Forensic
Fill the library 458 Forensic
Threat analysis 467 Forensic
Misc
Solved Name Points Tags Description Legerdemain 381 Misc
Bad Habit 431 Misc
Diabolical Grumpy Analyst 431 Misc
GCC Online 475 Misc
SoBusy 436 Misc
Legerdemain Revenge 404 Misc
OSINT
Solved Name Points Tags Description But they so tasty … 😔🍰 267 OSINT
Music from the city 267 OSINT
On the loose [1/2] 453 OSINT
On the loose [2/2] 490 OSINT
Pwn
Solved Name Points Tags Description Cuttin’String 329 Pwn
Baby bof 453 Pwn
Flag Roulette 497 Pwn
Reverse
Solved Name Points Tags Description rAnSoM 100 Reverse
GCC Chat 1/2 339 Reverse
GCC Chat 2/2 467 Reverse
Array programming rocks 431 Reverse
Warp jump 453 Reverse
Web
Solved Name Points Tags Description Find The Compass 100 Web
frenzy flask 100 Web
Free Cider 299 Web
The Genie’s pwn adventures 381 Web
Free Chat 490 Web
MLWeb 481 Web
The Genie’s pwn adventures revenge 458 Web
Web3
Solved Name Points Tags Description Synthatsu katana thief 299 Web
First drop 458 Web
TOOTB 492 Web
Pincer 498 Web
Ode 494 Web