$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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2168 challenges · browse all techniques

Challenge CTF Weight Category Has
rdctd_4 nullconHackIM 2026 Goa – Misc files
rdctd_5 nullconHackIM 2026 Goa – Misc files
rdctd_6 nullconHackIM 2026 Goa – Misc files
stack_strings_1 nullconHackIM 2026 Goa – Reverse files
stack_strings_2 nullconHackIM 2026 Goa – Reverse files
Advance_Crypto_Breaking BlueArena 2025 – Crypto files
Binary_Riddle BlueArena 2025 – Reverse files
Corrupted_Caesar BlueArena 2025 – Crypto files
Cryptia BlueArena 2025 – Crypto files
Crypto_Brain BlueArena 2025 – Crypto files
Cryptologia BlueArena 2025 – Crypto files
Data_transmission BlueArena 2025 – Misc files
Forensics_Inter BlueArena 2025 – Forensics files
Forensics_of_Dump BlueArena 2025 – Forensics files
Funcky_Binary BlueArena 2025 – Reverse files
GOOGLEE_BABA BlueArena 2025 – Misc files
Get_Back_to_Investigate_Practice BlueArena 2025 – Crypto files
Image_Forensica_Kid BlueArena 2025 – Forensics files
Logy_Logger BlueArena 2025 – Forensics files
Malware_Analysis BlueArena 2025 – Reverse files
Mathametics_Node BlueArena 2025 – Crypto files
Media_Moderator BlueArena 2025 – Forensics files
Mili_4 BlueArena 2025 – Forensics files
Multi_Layer_Encryption BlueArena 2025 – Crypto files
Obelisk_of_B_Forbidden_Cipher BlueArena 2025 – Reverse files
Revarse_Me BlueArena 2025 – Reverse files
Reverse_Eng. BlueArena 2025 – Reverse files
Reverse_is_a_Concern BlueArena 2025 – Reverse files
SOC_Analyst_Intern BlueArena 2025 – Misc files
TTD BlueArena 2025 – Web files
Take_a_look_of_the_data BlueArena 2025 – Misc files
The_Impossible BlueArena 2025 – Reverse files
Trace_the_VM BlueArena 2025 – Reverse files
Video_Forensics BlueArena 2025 – Forensics files
Video_Investigator BlueArena 2025 – Forensics files
chronoANT BlueArena 2025 – Forensics files
net BlueArena 2025 – Misc files
steg BlueArena 2025 – Misc files
Black_and_white EHAX 2025 – Forensics files
Cash_Memo EHAX 2025 – Pwn files