$ ctf42

Challenges

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

7364 challenges · browse all techniques

Challenge CTF Weight Category Has
locked_out BCACTF 2025 – Misc files
locked_out_again BCACTF 2025 – Misc files
lovetorturev2 BCACTF 2025 – OSINT files
malware BCACTF 2025 – Reverse files
math_checker BCACTF 2025 – Reverse files
optimize_me_1 BCACTF 2025 – Reverse files
optimize_me_2 BCACTF 2025 – Reverse files
osint_torture BCACTF 2025 – OSINT files
plain_sight BCACTF 2025 – Forensics files
primes BCACTF 2025 – Crypto files
skibidi BCACTF 2025 – Reverse files
something_is_off BCACTF 2025 – Forensics files
state_secrets BCACTF 2025 – Forensics files
the_ancients BCACTF 2025 – Reverse files
those_who_know BCACTF 2025 – Forensics files
tune_in BCACTF 2025 – Forensics files
Alpha BYUCTF 2025 – Misc files
Anaken21sec1 BYUCTF 2025 – Crypto files
Anaken21sec2 BYUCTF 2025 – Crypto files
Baby_Android_1 BYUCTF 2025 – Reverse files
Baby_Android_2 BYUCTF 2025 – Reverse files
Bank_Vault BYUCTF 2025 – Reverse files
Choose_Your_RSA BYUCTF 2025 – Crypto files
Cycles BYUCTF 2025 – Crypto files
Enabled BYUCTF 2025 – Misc files
Game_of_Yap BYUCTF 2025 – Pwn files
Goat BYUCTF 2025 – Pwn files
Hash_Based_Cryptography BYUCTF 2025 – Crypto files
Hash_Psycho BYUCTF 2025 – Misc files
JWTF BYUCTF 2025 – Web files
LLIR BYUCTF 2025 – Reverse files
MIPS BYUCTF 2025 – Pwn files
Many_Primes BYUCTF 2025 – Crypto files
Minecraft_YouTuber BYUCTF 2025 – Pwn files
PEM BYUCTF 2025 – Crypto files
Real_Smooth BYUCTF 2025 – Crypto files
Red_This BYUCTF 2025 – Web files
Skywim BYUCTF 2025 – OSINT files
TCL BYUCTF 2025 – Pwn files
Universal_ty BYUCTF 2025 – OSINT files