$ 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
unbefleckte_empfangnis hxp 2025 – Misc files
Archventure_time GPN 2024 – Reverse files
Back_to_the_roots GPN 2024 – Crypto files
Boombox GPN 2024 – Crypto files
Count_me_out GPN 2024 – Crypto files
Date_v2 GPN 2024 – Pwn files
Electric GPN 2024 – Reverse files
Even_more_flags GPN 2024 – Web files
Flag_remover GPN 2024 – Web files
Future_of_Pwning_1 GPN 2024 – Pwn files
Future_of_Pwning_2 GPN 2024 – Pwn files
Gift GPN 2024 – Pwn files
Hackerman_Hash GPN 2024 – Crypto files
Inspect_Element GPN 2024 – Web files
Knitted_Flag GPN 2024 – Misc files
Never_gonna_give_you_UB GPN 2024 – Pwn files
Never_gonna_let_you GPN 2024 – Crypto files
Never_gonna_run_around_and_reverse_you GPN 2024 – Reverse files
Never_gonna_tell_a_lie_and_type_you GPN 2024 – Web files
No_crypto GPN 2024 – Misc files
Parabox GPN 2024 – Reverse files
Petween_Reasonable_Lines GPN 2024 – Pwn files
Polyrop GPN 2024 – Pwn files
Polyrop_warmup GPN 2024 – Pwn files
Secure_Notes GPN 2024 – Web files
So_many_flags GPN 2024 – Web files
Terminator_1 GPN 2024 – Pwn files
Too_many_cooks GPN 2024 – Pwn files
Trapdoor GPN 2024 – Crypto files
XZ_safe GPN 2024 – Reverse files
todo GPN 2024 – Web files
todo_hard GPN 2024 – Web files
BUFFZONE Hack.lu 2024 100.00 Web files
Blazing_Fast_Workout_Planner Hack.lu 2024 100.00 Pwn files
EquipTracker Hack.lu 2024 100.00 Web files
FDA Hack.lu 2024 100.00 Misc files
FLX_Lock Hack.lu 2024 100.00 Misc files
Fleeting_Inspirations Hack.lu 2024 100.00 Mobile files
FluxKey_Control Hack.lu 2024 100.00 Crypto files
Functional_Training Hack.lu 2024 100.00 Misc files