rule Backdoor_Win32_Unomois_A{ meta: description = "Backdoor:Win32/Unomois.A,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 04 00 00 01 00 " strings : $a_01_0 = {6d 00 65 00 30 00 68 00 6f 00 69 00 } //01 00 me0hoi $a_00_1 = {8b d8 83 e1 03 c1 e1 04 c1 eb 04 0b d9 } //01 00 $a_00_2 = {88 07 88 4f 01 83 c5 03 83 c7 04 83 ea 01 } //01 00 $a_00_3 = {0f b6 50 01 0f b6 78 02 83 e2 0f 03 d2 03 d2 c1 ef 06 0b d7 } //00 00 condition: any of ($a_*) }