$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
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Must have
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7364 challenges · browse all techniques

Challenge CTF Weight Category Has
obfuscated BTCTF 2024 – Reverse files
osint_1_going_outside BTCTF 2024 – Misc files
osint_2_food BTCTF 2024 – Misc files
password_cracking_1 BTCTF 2024 – Forensics files
password_cracking_2 BTCTF 2024 – Forensics files
rapid_fire_ciphers BTCTF 2024 – Crypto files
rsa_brute BTCTF 2024 – Crypto files
scrambled BTCTF 2024 – Forensics files
snake_byte BTCTF 2024 – Reverse files
stegosaurus BTCTF 2024 – Forensics files
string_cheese BTCTF 2024 – Pwn files
veni_vidi_vici BTCTF 2024 – Crypto files
2048_ai Block 2024 – Misc files
2048_hacker_0 Block 2024 – Pwn files
2048_hacker_1 Block 2024 – Pwn files
An_Elf_on_a_Shelf Block 2024 – Reverse files
Custom_Keyboard Block 2024 – Reverse files
Flower_App Block 2024 – Reverse files
Glitch_in_the_Crypt_Exploiting_Faulty_RSA_Decryption Block 2024 – Crypto files
I_Have_No_Syscalls_And_I_Must_Scream Block 2024 – Pwn files
Nothin_But_Stringz Block 2024 – Reverse files
Only_Ws Block 2024 – Pwn files
Protect_your_API_Key Block 2024 – Reverse files
Red_Flags Block 2024 – Reverse files
Sizer_Cipher Block 2024 – Crypto files
Wheres_My_Key Block 2024 – Crypto files
echo Block 2024 – Pwn files
echo2 Block 2024 – Pwn files
Car_Game BlockHarbor 2024 – Reverse files
DID_Access BlockHarbor 2024 – Misc files
FW BlockHarbor 2024 – Misc files
Gameboy_Game BlockHarbor 2024 – Misc files
Hobbyist BlockHarbor 2024 – Misc files
I_Lost_my_Tesla_NFC_Card BlockHarbor 2024 – Misc files
I_know_a_lot_about_cars BlockHarbor 2024 – OSINT files
Lost_in_the_echo BlockHarbor 2024 – Misc files
Power BlockHarbor 2024 – Reverse files
Radio BlockHarbor 2024 – Misc files
Rolling_Thunder BlockHarbor 2024 – Misc files
Scanning_Plates BlockHarbor 2024 – OSINT files