rule Molerats_certs { meta: author = "FireEye Labs" description = "this rule detections code signed with certificates used by the Molerats actor" reference = "https://www.fireeye.com/blog/threat-research/2013/08/operation-molerats-middle-east-cyber-attacks-using-poison-ivy.html" strings: $cert1 = {06 50 11 A5 BC BF 83 C0 93 28 16 5E 7E 85 27 75} $cert2 = {03 e1 e1 aa a5 bc a1 9f ba 8c 42 05 8b 4a bf 28} $cert3 = {0c c0 35 9c 9c 3c da 00 d7 e9 da 2d c6 ba 7b 6d} condition: 1 of ($cert*) }