$ 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
Date_Logger QnQSec 2025 24.76 Web files
Debtors_Database QnQSec 2025 24.76 Pwn files
Execution QnQSec 2025 24.76 Forensics files
FaaS QnQSec 2025 24.76 Web files
HeartBroken QnQSec 2025 24.76 Misc files
John_Cena QnQSec 2025 24.76 Misc files
Laser_Strike QnQSec 2025 24.76 Misc files
Mandatory_RSA QnQSec 2025 24.76 Crypto files
NMTE_4667 QnQSec 2025 24.76 Reverse files
Not_your_Karnaugh_diagram QnQSec 2025 24.76 Hardware files
OneShot QnQSec 2025 24.76 Reverse files
OneShotRevenge QnQSec 2025 24.76 Reverse files
QnQsec_portal QnQSec 2025 24.76 Web files
Rain_and_Fire QnQSec 2025 24.76 Misc files
Republic_of_Geese QnQSec 2025 24.76 Crypto files
Restlessness QnQSec 2025 24.76 Reverse files
Secure_Letter QnQSec 2025 24.76 Web files
SmartCoffee QnQSec 2025 24.76 Hardware files
The_Bird QnQSec 2025 24.76 OSINT files
The_Companys_Channel_2 QnQSec 2025 24.76 OSINT files
The_Companys_Customer QnQSec 2025 24.76 OSINT files
The_Companys_Internals QnQSec 2025 24.76 OSINT files
The_Companys_Money QnQSec 2025 24.76 OSINT files
The_Companys_Script_Kiddie QnQSec 2025 24.76 OSINT files
The_Companys_campaign QnQSec 2025 24.76 OSINT files
The_Companys_channel QnQSec 2025 24.76 OSINT files
The_Hidden_Castle QnQSec 2025 24.76 OSINT files
The_company QnQSec 2025 24.76 OSINT files
The_picture QnQSec 2025 24.76 OSINT files
Timelock QnQSec 2025 24.76 Misc files
Vulnerable_Token QnQSec 2025 24.76 Blockchain files
We_re_All_to_Blame QnQSec 2025 24.76 Reverse files
baby_baby_reverse QnQSec 2025 24.76 Reverse files
callmeback QnQSec 2025 24.76 Misc files
chipmunk_telephone_receiver QnQSec 2025 24.76 Crypto files
ecdhaha QnQSec 2025 24.76 Crypto files
malloc_wrapper_part_1 QnQSec 2025 24.76 Pwn files
malloc_wrapper_part_2 QnQSec 2025 24.76 Pwn files
myLFSR QnQSec 2025 24.76 Crypto files
myPo1y QnQSec 2025 24.76 Crypto files