rule BitPaymer { meta: description = "Rule to detect newer Bitpaymer samples. Rule is based on BitPaymer custom packer" author = "Morphisec labs" refrence = "http://blog.morphisec.com/bitpaymer-ransomware-with-new-custom-packer-framework" id = "916de232-1f1b-5853-a57f-623812cfed16" strings: $opcodes1 = {B9 ?? 00 00 00 FF 14 0F B8 FF 00 00 00 C3 89 45 FC} $opcodes2 = {61 55 FF 54 B7 01 B0 FF C9 C3 CC 89 45 FC} condition: (uint16 (0) == 0x5a4d) and ($opcodes1 or $opcodes2) }