$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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719 challenges · browse all techniques

Challenge CTF Weight Category Has
KONTINUERLIG Hack.lu 2025 98.02 Misc files
KUPONG Hack.lu 2025 98.02 Crypto files
MANUAL Hack.lu 2025 98.02 Crypto files
MARQUEE Hack.lu 2025 98.02 Web files
POLYGOD Hack.lu 2025 98.02 Pwn files
QDISCWORLD Hack.lu 2025 98.02 Reverse files
SKAL Hack.lu 2025 98.02 Misc files
SMOLLM Hack.lu 2025 98.02 Pwn files
SPRAKMODELL Hack.lu 2025 98.02 Pwn files
SYNDROM_DECOD Hack.lu 2025 98.02 Crypto files
TOOLBARS Hack.lu 2025 98.02 Web files
UPPACKNING Hack.lu 2025 98.02 Pwn files
XOD Hack.lu 2025 98.02 Web files
ZIGBAKVAM Hack.lu 2025 98.02 Misc files
256 HaixlaChapelle 2025 – Pwn files
AC_Hell HaixlaChapelle 2025 – OSINT files
Backdoored HaixlaChapelle 2025 – Pwn files
Cold_Climate HaixlaChapelle 2025 – Pwn files
Cool_Lamppost HaixlaChapelle 2025 – OSINT files
Garbled_Guesses HaixlaChapelle 2025 – Crypto files
Ghostbusters HaixlaChapelle 2025 – Misc files
Hangar_Heist HaixlaChapelle 2025 – Crypto files
Mini_Messenger HaixlaChapelle 2025 – Web files
No_Internet_for_You HaixlaChapelle 2025 – Web files
PyLit HaixlaChapelle 2025 – Crypto files
Tiny_Blahaj_lost_and_looking_for_help HaixlaChapelle 2025 – OSINT files
CatGPT hxp 2025 – Web files
Dateiservierer hxp 2025 – Web files
Dateiservierer2 hxp 2025 – Web files
P1K4Z80 hxp 2025 – Reverse files
brainfast hxp 2025 – Pwn files
cassandra_von_hxp hxp 2025 – Pwn files
chekhov hxp 2025 – Reverse files
folly hxp 2025 – Misc files
hutchenspiel hxp 2025 – Crypto files
hypersingular hxp 2025 – Crypto files
orakel_von_hxp hxp 2025 – Pwn files
shell_de_coding hxp 2025 – Misc files
slop hxp 2025 – Pwn files
sponsored hxp 2025 – Misc files