APT_Project_Sauron_Custom_M1

rule APT_Project_Sauron_Custom_M1 {
	meta:
		description = "Detects malware from Project Sauron APT"
		license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
		author = "Florian Roth (Nextron Systems)"
		reference = "https://goo.gl/eFoP4A"
		date = "2016-08-09"
		hash1 = "9572624b6026311a0e122835bcd7200eca396802000d0777dba118afaaf9f2a9"
		id = "c741bd7d-1885-55f1-a5b3-8f00fda2fe39"
	strings:
		$s1 = "ncnfloc.dll" fullword wide
		$s4 = "Network Configuration Locator" fullword wide

		$op0 = { 80 75 6e 85 c0 79 6a 66 41 83 38 0a 75 63 0f b7 } /* Opcode */
		$op1 = { 80 75 29 85 c9 79 25 b9 01 } /* Opcode */
		$op2 = { 2b d8 48 89 7c 24 38 44 89 6c 24 40 83 c3 08 89 } /* Opcode */
	condition:
		( uint16(0) == 0x5a4d and filesize < 200KB and ( all of ($s*) ) and 1 of ($op*) ) or ( all of them )
}