Regin_APT_KernelDriver_Generic_C

rule Regin_APT_KernelDriver_Generic_C {
	meta:
		description = "Generic rule for Regin APT kernel driver Malware - Symantec http://t.co/qu53359Cb2"
		author = "@Malwrsignatures - included in APT Scanner THOR"
		date = "23.11.14"
		hash1 = "e0895336617e0b45b312383814ec6783556d7635"
		hash2 = "732298fa025ed48179a3a2555b45be96f7079712"
		id = "2006b3f0-abd1-5274-8b18-75368671e062"
	strings:
		$m0 = { 4d 5a 90 00 03 00 00 00 04 00 00 00 ff ff 00 00 b8 }

		$s0 = "KeGetCurrentIrql" fullword ascii
		$s1 = "5.2.3790.0 (srv03_rtm.030324-2048)" fullword wide
		$s2 = "usbclass" fullword wide

		$x1 = "PADDINGXXPADDINGPADDINGXXPADDINGPADDINGXXPADDINGPADDINGXXPADDINGPADDINGXXPADDING" ascii
		$x2 = "Universal Serial Bus Class Driver" fullword wide
		$x3 = "5.2.3790.0" fullword wide

		$y1 = "LSA Shell" fullword wide
		$y2 = "0Richw" fullword ascii
	condition:
		uint16(0) == 0x5a4d and
		$m0 at 0 and all of ($s*) and
		( all of ($x*) or all of ($y*) )
		and filesize < 20KB
}