rule Backdoor_Win32_Zegost_CR{ meta: description = "Backdoor:Win32/Zegost.CR,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 04 00 00 01 00 " strings : $a_01_0 = {c6 85 c7 fc fe ff 64 c6 85 c8 fc fe ff 2e c6 85 c9 fc fe ff 25 c6 85 ca fc fe ff 64 } //01 00 $a_01_1 = {c6 85 f5 fe ff ff 5c c6 85 f6 fe ff ff 52 c6 85 f7 fe ff ff 75 c6 85 f8 fe ff ff 6e } //01 00 $a_01_2 = {67 67 66 25 63 25 63 25 63 25 63 25 63 63 6b 2e 65 78 65 00 } //01 00 $a_01_3 = {7e 4d 00 00 48 7a 00 00 48 41 52 44 57 41 52 45 5c } //00 00 condition: any of ($a_*) }