$ ctf42

Challenges

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

Challenge CTF Weight Category Has
Misconfigured_RSA V1T 2025 – Crypto files
Modulo_Mystery V1T 2025 – Crypto files
Nihilist V1T 2025 – Reverse files
Optimus V1T 2025 – Reverse files
Polyglot V1T 2025 – Misc files
RSA_101 V1T 2025 – Crypto files
RandomStuff V1T 2025 – Crypto files
RotBrain V1T 2025 – Misc files
Shamirs_Duck V1T 2025 – Crypto files
Snail_Delivery V1T 2025 – Reverse files
Snowflake V1T 2025 – OSINT files
TFT_Set_15 V1T 2025 – Misc files
The_Forgotten_Inventory V1T 2025 – OSINT files
Thirsty_Sick_hot_face_sweat_droplets V1T 2025 – Forensics files
Tryna_crack V1T 2025 – Forensics files
Waddler V1T 2025 – Pwn files
WakeCall V1T 2025 – Pwn files
hidden V1T 2025 – Crypto files
Crypto_Rookie N0PSctf 2024 24.34 Crypto files
Flix_Smart N0PSctf 2024 24.34 Reverse files
HID N0PSctf 2024 24.34 Forensics files
Just_Read N0PSctf 2024 24.34 Reverse files
Lizwol N0PSctf 2024 24.34 Reverse files
Meaningful_Noise N0PSctf 2024 24.34 Misc files
Morse_Me N0PSctf 2024 24.34 Misc files
Mudiary N0PSctf 2024 24.34 Pwn files
Raiser N0PSctf 2024 24.34 Pwn files
Reverse_Me N0PSctf 2024 24.34 Reverse files
Rockstar N0PSctf 2024 24.34 OSINT files
Side_Channel N0PSctf 2024 24.34 Crypto files
Where_Am_I N0PSctf 2024 24.34 OSINT files
ZipZip N0PSctf 2024 24.34 Forensics files
ai N0PSctf 2024 24.34 Misc files
jojo N0PSctf 2024 24.34 Misc files
SafeBridge RealWorld 2024 – Blockchain files wu 3
BabyKitDriver 0CTF 2023 – Pwn files wu 1
Acceptance Cryptoverse 2023 24.52 Pwn files
Baby_AES Cryptoverse 2023 24.52 Crypto files
Java_Not_Interesting Cryptoverse 2023 24.52 Reverse files
LFSR_Explorer Cryptoverse 2023 24.52 Crypto files