$ ctf42

Challenges

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

Challenge CTF Weight Category Has
myPoly QnQSec 2025 24.76 Crypto files
myPrime QnQSec 2025 24.76 Crypto files
notez QnQSec 2025 24.76 Pwn files
rweb QnQSec 2025 24.76 Web files
s3cr3ct_w3b QnQSec 2025 24.76 Web files
s3cr3ct_w3b_revenge QnQSec 2025 24.76 Web files
secure_letter_revenge QnQSec 2025 24.76 Web files
steg QnQSec 2025 24.76 Misc files
FlagChecker DeadSec 2024 23.96 Reverse files
Flag_injection DeadSec 2024 23.96 Misc files
Flag_killer DeadSec 2024 23.96 Crypto files
Forgotten_Password DeadSec 2024 23.96 Misc files
JavaCPScript DeadSec 2024 23.96 Reverse files
MAN_in_the_middle DeadSec 2024 23.96 Misc files
No_Math_Rev DeadSec 2024 23.96 Reverse files
Not_an_active_field_for_a_reason DeadSec 2024 23.96 Crypto files
Password_Guesser DeadSec 2024 23.96 Crypto files
Password_Guesser_Revenge DeadSec 2024 23.96 Crypto files
Raul_Rosas DeadSec 2024 23.96 Crypto files
SSP DeadSec 2024 23.96 Crypto files
Shadow DeadSec 2024 23.96 Pwn files
Super_CPP_Calculator DeadSec 2024 23.96 Pwn files
User_management DeadSec 2024 23.96 Pwn files
gb DeadSec 2024 23.96 Pwn files
10000 DeadSec 2023 23.96 Reverse files
Crush DeadSec 2023 23.96 Web files
Fancy DeadSec 2023 23.96 Reverse files
IoT_binary DeadSec 2023 23.96 Reverse files
LCG DeadSec 2023 23.96 Crypto files
LLLoud DeadSec 2023 23.96 Crypto files
LLLoud_2 DeadSec 2023 23.96 Crypto files
Loud DeadSec 2023 23.96 Crypto files
Loud_Revenge DeadSec 2023 23.96 Crypto files
Meow_meow_moew DeadSec 2023 23.96 Reverse files
Nasty DeadSec 2023 23.96 Reverse files
OP DeadSec 2023 23.96 Reverse files
Really_Loud DeadSec 2023 23.96 Crypto files
Really_Loud_Revenge DeadSec 2023 23.96 Crypto files
X-rays DeadSec 2023 23.96 Reverse files
chatroom DeadSec 2023 23.96 Pwn files