Yara Crypto Rules

After seeing @chort0's rule for RC61 on Twitter, I decided to write a few rules for other things.

One-Way Hash Functions

MD5
SHA1 (Currently also triggers on RIPEMD160)
SHA224/256
SHA384/512
RIPEMD-160 (Currently also triggers on SHA1)
WHIRLPOOL

Block Ciphers

Blowfish
RC6 - By @chort02

Pseudo-Random Number Generators