$ ctf42

Challenges

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

Challenge CTF Weight Category Has
Just_One_Line WHY 2025 Finals – Misc files
Keypad WHY 2025 Finals – Reverse files
Lazy_Code_1.0 WHY 2025 Finals – Reverse files
Lazy_Code_2.0 WHY 2025 Finals – Reverse files
Old_Memes_Never_Die WHY 2025 Finals – Pwn files
Painted_Black WHY 2025 Finals – Forensics files
Somkracht_65537 WHY 2025 Finals – Crypto files
Substitute_Teacher WHY 2025 Finals – Crypto files
TZe_611 WHY 2025 Finals – Misc files
TZe_611 WHY 2025 Quals – Misc files
Terminal_Error_online WHY 2025 Finals – Pwn files
The_Wizard WHY 2025 Finals – Forensics files
TitleCase WHY 2025 Finals – Misc files
ToShredsYouSay WHY 2025 Finals – Forensics files
Zen_Master WHY 2025 Finals – Reverse files
aSYMMETRICK WHY 2025 Finals – Reverse files
net WHY 2025 Finals – Misc files
net WHY 2025 Quals – Misc files
onsite WHY 2025 Finals – Misc files
Computer_says_beep BraekerCTF 2024 24.72 Reverse files
Fetusbot BraekerCTF 2024 24.72 Reverse files
Flag_based_key_expansion BraekerCTF 2024 24.72 Crypto files
Injecting_commands BraekerCTF 2024 24.72 Reverse files
Messengesus BraekerCTF 2024 24.72 Crypto files
Microservices BraekerCTF 2024 24.72 Misc files
Node_Calculator BraekerCTF 2024 24.72 Web files
Stuffy BraekerCTF 2024 24.72 Web files
Thus_spoke_machine BraekerCTF 2024 24.72 Crypto files
coinflip EBCTF 2022 – Web files
cryptomachine01 EBCTF 2022 – Crypto files
cryptomachine02 EBCTF 2022 – Crypto files
everything EBCTF 2022 – Crypto files
foraiur EBCTF 2022 – Reverse files
hackmeifyoucan EBCTF 2022 – Pwn files
hipsterprogramming EBCTF 2022 – Reverse files
mysimplelogin EBCTF 2022 – Reverse files
pupa EBCTF 2022 – Reverse files
qexmry^7 EBCTF 2022 – Crypto files
rockpaperscissorslizardspock EBCTF 2022 – Reverse files
sharingiscaring EBCTF 2022 – Crypto files