CTF Challenges
48 challenges
Inflate the Truth
Zlib is gzips cousin - commonly used in HTTP compression and many file formats. Ciphertext:
Matryoshka Payload
Like Russian nesting dolls, each layer reveals another. Ciphertext:
Malware Style Obfuscation
Final boss. Modeled after real IoT malware like Mozi. Ciphertext:
AMOS
Inspired by real-world obfuscation techniques used in the AMOS Stealer malware, this challenge hides a flag using a...
Cyclix
Inspired by real-world malware obfuscation techniques, this challenge implements a cyclic encryption routine to hide...
LockBit
Inspired by obfuscation techniques used in the LockBit ransomware family, this challenge implements a multi-layer...