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 CryptoSuperAES 404 CryptoElliptic 471 CryptoToo Many Leaks 397 CryptoTrust Issues 500 Crypto
Forensic
Solved Name Points Tags Description BipBipBiiip 100 ForensicPretty Links 348 ForensicFill the library 458 ForensicThreat analysis 467 Forensic
Misc
Solved Name Points Tags Description Legerdemain 381 MiscBad Habit 431 MiscDiabolical Grumpy Analyst 431 MiscGCC Online 475 MiscSoBusy 436 MiscLegerdemain Revenge 404 Misc
OSINT
Solved Name Points Tags Description But they so tasty … 😔🍰 267 OSINTMusic from the city 267 OSINTOn the loose [1/2] 453 OSINTOn the loose [2/2] 490 OSINT
Pwn
Solved Name Points Tags Description Cuttin’String 329 PwnBaby bof 453 PwnFlag Roulette 497 Pwn
Reverse
Solved Name Points Tags Description rAnSoM 100 ReverseGCC Chat 1/2 339 ReverseGCC Chat 2/2 467 ReverseArray programming rocks 431 ReverseWarp jump 453 Reverse
Web
Solved Name Points Tags Description Find The Compass 100 Webfrenzy flask 100 WebFree Cider 299 WebThe Genie’s pwn adventures 381 WebFree Chat 490 WebMLWeb 481 WebThe Genie’s pwn adventures revenge 458 Web
Web3
Solved Name Points Tags Description Synthatsu katana thief 299 WebFirst drop 458 WebTOOTB 492 WebPincer 498 WebOde 494 Web