$ ctf42

Challenges

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

Challenge CTF Weight Category Has
Ducks_Ping_Pong
#windows-driver-reversing#ioctl#veh
 V1T 2026 22.14 Reverse files wu 1
Tiny
#reversing#run-length-encoding
 V1T 2026 22.14 Reverse files wu 1
BootRoot_Root_of_No_Return V1T 2026 22.14 Reverse files
Ducks_Ping_Pong_Revenge V1T 2026 22.14 Reverse files
Enc V1T 2026 22.14 Reverse files
Herd_Mentality V1T 2026 22.14 Reverse files
ShahInRev V1T 2026 22.14 Reverse files
incense V1T 2026 22.14 Reverse files
oas V1T 2026 22.14 Reverse files
try V1T 2026 22.14 Reverse files
Bad_Reverser V1T 2025 – Reverse files
Duck_Product_Key V1T 2025 – Reverse files
Duck_RPG V1T 2025 – Reverse files
Nihilist V1T 2025 – Reverse files
Optimus V1T 2025 – Reverse files
Snail_Delivery V1T 2025 – Reverse files