$ ctf42

Challenges

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Higher weight ≈ harder, more prestigious event.
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99 challenges · browse all techniques

Challenge CTF Weight Category Has
OSINT_Exam
#reverse-image-search
 FortID 2025 30.00 Misc files wu 1
Baby_Crypto FortID 2026 45.00 Crypto files
Baby_Misc FortID 2026 45.00 Misc files
Baby_OSINT FortID 2026 45.00 OSINT files
Baby_Pwn FortID 2026 45.00 Pwn files
Baby_Rev FortID 2026 45.00 Reverse files
Baby_Web FortID 2026 45.00 Web files
Breaking_News FortID 2026 45.00 OSINT files
Checksum FortID 2026 45.00 Reverse files
Crypto_Wallet FortID 2026 45.00 Reverse files
Cubism FortID 2026 45.00 Reverse files
DESBox FortID 2026 45.00 Crypto files
Do_You_Know_Lika FortID 2026 45.00 Web files
Doctor_Bye_Bye FortID 2026 45.00 Web files
EU_Gift FortID 2026 45.00 Misc files
Editorial_Board FortID 2026 45.00 Pwn files
End_of_Life FortID 2026 45.00 Pwn files
Flag_from_the_Future FortID 2026 45.00 Misc files
Fortune_Teller FortID 2026 45.00 Pwn files
GDB_SaaS FortID 2026 45.00 Pwn files
Hacker_Cinema FortID 2026 45.00 Crypto files
Hic_Sunt_Dracones FortID 2026 45.00 Crypto files
Human_RNG FortID 2026 45.00 Crypto files
King_Admin FortID 2026 45.00 Web files
Melankonimir FortID 2026 45.00 OSINT files
Meteor_Shower FortID 2026 45.00 Reverse files
OSINT_Exam_II FortID 2026 45.00 OSINT files
Paint_me_a_Flag FortID 2026 45.00 Reverse files
Peak_OSINT FortID 2026 45.00 OSINT files
Rip_and_Tear FortID 2026 45.00 Misc files
Spill_the_Tea FortID 2026 45.00 Misc files
Sticker_Booth FortID 2026 45.00 Pwn files
String_Peek_and_Poke FortID 2026 45.00 Pwn files
Tangled FortID 2026 45.00 Misc files
Ultimative_PHP FortID 2026 45.00 Web files
Birb FortID 2025 30.00 Reverse files
Cascader FortID 2025 30.00 Crypto files
Church FortID 2025 30.00 Reverse files
Crypto FortID 2025 30.00 Crypto files
Days_of_Yore FortID 2025 30.00 Crypto files