rule Backdoor_Win32_Jetilms_A{ meta: description = "Backdoor:Win32/Jetilms.A,SIGNATURE_TYPE_PEHSTR_EXT,03 00 03 00 03 00 00 01 00 " strings : $a_03_0 = {ec 08 6a 2d 68 90 01 02 40 00 e8 90 01 02 00 00 83 c4 10 83 ec 08 90 00 } //01 00 $a_03_1 = {89 d0 c1 e8 1f 01 d0 d1 f8 3b 45 90 01 01 7f 90 01 01 c7 45 90 01 01 00 00 00 00 90 00 } //01 00 $a_03_2 = {3d 00 02 00 00 0f 8f 90 01 02 00 00 8b 4d 90 01 01 8b 45 90 01 01 c1 e0 09 90 00 } //00 00 condition: any of ($a_*) }