CTF Challenges
38 challenges
Unusual Process
A security analyst discovered suspicious activity on a corporate workstation. A memory dump was captured during...
Shell Game
During a security incident, a memory dump was captured from a workstation suspected of running malicious scripts. Your...
Escaped Reality
Web applications love to encode special characters. Sometimes the encoding gets applied in unexpected orders....
Basic Encoding Soup
Every hacker needs to recognize common encoding schemes. This challenge layers three of the most common encodings...
Vice Auth
Inspired by authentication mechanisms in modern malware, this challenge implements a cipher-based proof-of-work system....
Vidar
Inspired by encryption techniques used in the Vidar malware family, this challenge implements a cipher algorithm to...
Phantom
Inspired by encryption techniques used in the Phantom malware family, this challenge implements a cipher algorithm to...
LockBit
Inspired by obfuscation techniques used in the LockBit ransomware family, this challenge implements a multi-layer...
Cyclix
Inspired by real-world malware obfuscation techniques, this challenge implements a cyclic encryption routine to hide...