DITEKSHEN_MALWARE_Win_Slothfulmedia

rule DITEKSHEN_MALWARE_Win_Slothfulmedia : FILE
{
	meta:
		description = "SlothfulMedia backdoor payload"
		author = "ditekSHen"
		id = "e94b6d67-137c-5cfb-9c59-fbeb6cd85f0a"
		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#L1539-L1565"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "6f742e8d9d555b44daaa09835f599c99e16cd39bb106c8f43fbbca7093de462e"
		score = 75
		quality = 73
		tags = "FILE"

	strings:
		$x1 = /ExtKeylogger(Start|Stop)/ fullword ascii
		$x2 = /ExtService(Add|Delete|Start|Stop)/ fullword ascii
		$x3 = /ExtRegKey(Add|Del)/ fullword ascii
		$x4 = /ExtRegItem(Add|Del)/ fullword ascii
		$x5 = "ExtUnload" fullword ascii
		$s1 = "Local Security Process" fullword wide
		$s2 = "Global%s%d" fullword wide
		$s3 = "%s%s_%d.dat" fullword wide
		$s4 = "\\AppIni" fullword wide
		$s5 = "%s.tmp" fullword wide
		$s6 = "\\SetupUi" fullword wide
		$s7 = "%s|%s|%s|%s" fullword wide
		$s8 = "\\ExtInfo" fullword wide
		$cnc1 = "/v?m=" fullword ascii
		$cnc2 = "%s&i=%d" fullword ascii
		$cnc3 = "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75" fullword ascii
		$cnc4 = "Content-Length: %d" fullword ascii

	condition:
		uint16( 0 ) == 0x5a4d and ( 3 of ( $x* ) or 7 of ( $s* ) or all of ( $cnc* ) or ( 1 of ( $x* ) and 4 of ( $s* ) ) )
}