Challenges
34 challenges
Inflate the Truth
Zlib is gzips cousin - commonly used in HTTP compression and many file formats. Ciphertext:
Compressed Thoughts
Malware authors love compression. The magic bytes 1f 8b are your friend. Ciphertext:
Double Trouble
Sometimes attackers apply the same encoding multiple times to evade detection. Simple but effective. Ciphertext:
Escaped Reality
Web applications love to encode special characters. Sometimes the encoding gets applied in unexpected orders....
The ROT Side
ROT13 is childs play. But what about its more obscure cousin that handles the full printable ASCII range? Ciphertext:
Basic Encoding Soup
Every hacker needs to recognize common encoding schemes. This challenge layers three of the most common encodings...
Legacy Auth
An old authentication daemon was discovered running on an internal server. The sysadmin claims it's been there "since...