rule Cadelle_1 { meta: author = "Symantec" reference = "http://www.symantec.com/content/en/us/enterprise/media/security_response/docs/CadelSpy-Remexi-IOC.pdf" strings: $s1 = { 56 57 8B F8 8B F1 33 C0 3B F0 74 22 39 44 24 0C 74 18 0F B7 0F 66 3B C8 74 10 66 89 0A 42 42 47 47 4E FF 4C 24 0C 3B F0 75 E2 3B F0 75 07 4A 4A B8 7A 00 07 80 33 C9 5F 66 89 0A 5E C2 04 00} $s2 = "ntsvc32" $s3 = "ntbind32" condition: $s1 and ($s2 or $s3) }