rule Backdoor_Win32_CobaltStrike_Z_ibt{ meta: description = "Backdoor:Win32/CobaltStrike.Z!ibt,SIGNATURE_TYPE_PEHSTR_EXT,0a 00 0a 00 02 00 00 05 00 " strings : $a_80_0 = {41 55 54 4f 90 00 } //AUTO� 05 00 $a_03_1 = {8b fa 89 1c 24 33 f6 85 d2 7e 16 8b cb 8b d8 8b 03 33 d2 f7 f5 41 83 c3 90 01 01 46 88 51 ff 3b f7 7c ee 8b 04 24 89 2d 44 a0 40 00 83 c4 04 5d 5f 5e 90 00 } //00 00 condition: any of ($a_*) }