$ ctf42

Challenges

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

Challenge CTF Weight Category Has
padlock
#obfuscated-c#quine-reversing
 b01lers 2023 36.84 Reverse files wu 1
1000words
#pico-8-cartridge-reversing
 b01lers 2021 22.99 Reverse files wu 1
roulette_wheel
#c++-reversing#predictable-rng
 b01lers 2021 22.99 Reverse files wu 2
swirler
#client-side-js#image-unswirl#qr-recovery
 b01lers 2021 22.99 Reverse files wu 3
weenie_hut_general
#predictable-prng#fixed-srand-seed
 b01lers 2021 22.99 Reverse files wu 2
Favorite_Potato b01lers 2026 66.00 Reverse files
bike b01lers 2026 66.00 Reverse files
indirect_memory_access b01lers 2026 66.00 Reverse files
kyoto_protocol b01lers 2026 66.00 Reverse files
piano b01lers 2026 66.00 Reverse files
shakespeares_revenge b01lers 2026 66.00 Reverse files
tiles_+_ai b01lers 2026 66.00 Reverse files
baby_rev b01lers 2025 44.50 Reverse files
class_struggle b01lers 2025 44.50 Reverse files
labyrinth b01lers 2025 44.50 Reverse files
pipe_dream b01lers 2025 44.50 Reverse files
segvroad b01lers 2025 44.50 Reverse files
twitter_clone b01lers 2025 44.50 Reverse files
what b01lers 2025 44.50 Reverse files
Annnnnnny_Second_Now b01lers 2024 30.80 Reverse files
To_Link_or_Not_to_Link b01lers 2024 30.80 Reverse files
b01lers_bracket b01lers 2024 30.80 Reverse files
catch_me_if_you_can b01lers 2024 30.80 Reverse files
js_safe b01lers 2024 30.80 Reverse files
mixtape b01lers 2024 30.80 Reverse files
babynoah b01lers 2023 36.84 Reverse files
chicago b01lers 2023 36.84 Reverse files
safe b01lers 2023 36.84 Reverse files
I_Love_Java b01lers 2022 33.05 Reverse files
TM b01lers 2022 33.05 Reverse files
WEB2.0 b01lers 2022 33.05 Reverse files
crackme b01lers 2022 33.05 Reverse files
crackme_2 b01lers 2022 33.05 Reverse files
pact_Bubble_Wrap b01lers 2022 33.05 Reverse files
pact_Search_and_Rescue b01lers 2022 33.05 Reverse files
rust1 b01lers 2022 33.05 Reverse files
scrapyard_scramble b01lers 2021 22.99 Reverse files
taped b01lers 2021 22.99 Reverse files