$ ctf42

Challenges

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

Challenge CTF Weight Category Has
ClassQuiz_Revenge HKUSTFirebird 2024 – Web files
Deep_down_in_my_heart HKUSTFirebird 2024 – Reverse files
Gatekeeper HKUSTFirebird 2024 – Forensics files
Goldilocks HKUSTFirebird 2024 – Crypto files
Innocent_Image_Viewer HKUSTFirebird 2024 – Web files
Insecure_Webcam HKUSTFirebird 2024 – Forensics files
Insert_emoticon_here HKUSTFirebird 2024 – Reverse files
Logically_Weird_Logic HKUSTFirebird 2024 – Misc files
Magical_Television HKUSTFirebird 2024 – Forensics files
Math_Formula HKUSTFirebird 2024 – Misc files
MercuryBlast HKUSTFirebird 2024 – Pwn files
MoonBlast HKUSTFirebird 2024 – Pwn files
Photo_Encryptor HKUSTFirebird 2024 – Reverse files
Pure_Geoguessrrr HKUSTFirebird 2024 – Misc files
Random_Secure_Algorithm_I HKUSTFirebird 2024 – Crypto files
Random_Secure_Algorithm_II HKUSTFirebird 2024 – Crypto files
The_Quintessential_Quintuples HKUSTFirebird 2024 – Crypto files
Tuning_U5B HKUSTFirebird 2024 – Misc files
UwUOF+++_Super_ARM_Deluxe_Edition HKUSTFirebird 2024 – Pwn files
Vigenere_+_CTR HKUSTFirebird 2024 – Crypto files
cdkey HKUSTFirebird 2024 – Reverse files
infantwaf HKUSTFirebird 2024 – Web files
mpi HKUSTFirebird 2024 – Pwn files
trim HKUSTFirebird 2024 – Pwn files
unsetenv HKUSTFirebird 2024 – Pwn files
Avengers Bauhinia 2023 24.75 Crypto files
Carpe_Diem Bauhinia 2023 24.75 Web files
Crypto_Chef Bauhinia 2023 24.75 Crypto files
Disconnect Bauhinia 2023 24.75 Pwn files
Fork_Machine Bauhinia 2023 24.75 Reverse files
God_of_Gamblers Bauhinia 2023 24.75 Pwn files
Hansel_and_Gretel Bauhinia 2023 24.75 Web files
How_to_Stop_Time Bauhinia 2023 24.75 Crypto files
Image_Factory Bauhinia 2023 24.75 Pwn files
Instant_Chat Bauhinia 2023 24.75 Reverse files
Isekai_Tensei_Hakka Bauhinia 2023 24.75 Web files
Kernpass Bauhinia 2023 24.75 Pwn files
Kill_T_Browser Bauhinia 2023 24.75 Web files
Pyjail_3 Bauhinia 2023 24.75 Pwn files
Quantum_Entanglement Bauhinia 2023 24.75 Crypto files