DITEKSHEN_MALWARE_Win_Meterpreterstager

rule DITEKSHEN_MALWARE_Win_Meterpreterstager : FILE
{
	meta:
		description = "Detects Meterpreter stager payload"
		author = "ditekSHen"
		id = "dfbc37e9-13e0-55e2-a501-1005eea52b63"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L3384-L3395"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "0ac53a10abb1e4dd7da57872cd1779851d953127a912c31a5e411d8eb9bd07f4"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "PAYLOAD:" fullword ascii
		$s2 = "AQAPRQVH1" fullword ascii
		$s3 = "ws2_32" fullword ascii
		$s4 = "KERNEL32.dll" fullword ascii

	condition:
		uint16( 0 ) == 0x5a4d and all of them and filesize < 100KB
}