$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

31 challenges · browse all techniques

Challenge CTF Weight Category Has
Ducky1
#rubber-ducky-decode
 BYUCTF 2023 – Reverse files wu 2
RevEng
#xor-decryption#ghidra
 BYUCTF 2023 – Reverse files wu 1
BasicRev
#angr#symbolic-execution
 BYUCTF 2022 – Reverse files src wu 2
Chicken
#esoteric-language#chicken-lang
 BYUCTF 2022 – Reverse files src wu 1
FunFact
#single-byte-xor
 BYUCTF 2022 – Reverse files src wu 1
Angr_Management BYUCTF 2026 – Reverse files
Back_and_Forth BYUCTF 2026 – Reverse files
Mixed_Signals BYUCTF 2026 – Reverse files
Pickle_Rick BYUCTF 2026 – Reverse files
RCaaS BYUCTF 2026 – Reverse files
Yet_Another_Recursive_Algorithm BYUCTF 2026 – Reverse files
Baby_Android_1 BYUCTF 2025 – Reverse files
Baby_Android_2 BYUCTF 2025 – Reverse files
Bank_Vault BYUCTF 2025 – Reverse files
LLIR BYUCTF 2025 – Reverse files
moooo BYUCTF 2025 – Reverse files
u BYUCTF 2025 – Reverse files
Cosmere BYUCTF 2024 – Reverse files
Deal_or_No_Deal BYUCTF 2024 – Reverse files
Musles BYUCTF 2024 – Reverse files
Rust BYUCTF 2024 – Reverse files
Time BYUCTF 2024 – Reverse files
Verse BYUCTF 2024 – Reverse files
Chain BYUCTF 2023 – Reverse files
Chicken_Again BYUCTF 2023 – Reverse files
Ducky2 BYUCTF 2023 – Reverse files
Go BYUCTF 2023 – Reverse files
Sassie BYUCTF 2023 – Reverse files
bad2 BYUCTF 2023 – Reverse files
obfuscJStor BYUCTF 2023 – Reverse files
C-Spring BYUCTF 2022 – Reverse files