$ ctf42

Challenges

Category
Difficulty
CTFtime weight
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Higher weight ≈ harder, more prestigious event.
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318 challenges · browse all techniques

Challenge CTF Weight Category Has
surfer pingCTF 2025 32.50 Misc files
talking_printer pingCTF 2025 32.50 Misc files
tick_tock pingCTF 2025 32.50 Pwn files
uncertain pingCTF 2025 32.50 Reverse files
BTS_Antivirus BreakTheSyntax 2024 – Forensics files
Back_to_the_future BreakTheSyntax 2024 – Reverse files
Breaching_the_crime_Scene BreakTheSyntax 2024 – Crypto files
Chroot_Escape BreakTheSyntax 2024 – Pwn files
Free_flag BreakTheSyntax 2024 – Forensics files
Little_Rusty BreakTheSyntax 2024 – Reverse files
Login_Page BreakTheSyntax 2024 – Reverse files
Logs BreakTheSyntax 2024 – Reverse files
No_Logs BreakTheSyntax 2024 – Reverse files
Token_auth BreakTheSyntax 2024 – Web files
backup BreakTheSyntax 2024 – Crypto files
config BreakTheSyntax 2024 – Web files
i_made_the_otp BreakTheSyntax 2024 – Crypto files
leaky_prime BreakTheSyntax 2024 – Crypto files
letter BreakTheSyntax 2024 – Crypto files
mod_ari BreakTheSyntax 2024 – Misc files
object_dec BreakTheSyntax 2024 – Misc files
shellcode BreakTheSyntax 2024 – Pwn files
steg BreakTheSyntax 2024 – Misc files
Break_PSI BreakTheSyntax 2023 – Crypto files
Build-A-Jail BreakTheSyntax 2023 – Pwn files
Curly_Fries BreakTheSyntax 2023 – Web files
Ed_Edd_n_Eddy BreakTheSyntax 2023 – Crypto files
Guacamole BreakTheSyntax 2023 – Crypto files
Textbook BreakTheSyntax 2023 – Crypto files
Textbook_2 BreakTheSyntax 2023 – Crypto files
secret_message BreakTheSyntax 2023 – Reverse files
warmup BreakTheSyntax 2023 – Reverse files
Baby_NFC p4ctf 2023 Quals 70.78 Hardware files
Baby_Tap p4ctf 2023 Quals 70.78 Hardware files
Eat_my_bugs p4ctf 2023 Quals 70.78 Pwn files
Junior_Malware_Developer p4ctf 2023 Quals 70.78 Pwn files
Lost_in_Transmission p4ctf 2023 Quals 70.78 Hardware files
Pipeline p4ctf 2023 Quals 70.78 Reverse files
Smart_Code_Recovery p4ctf 2023 Quals 70.78 Reverse files
ai p4ctf 2023 Quals 70.78 Misc files