SEKOIA_Apt_Gamaredon_Lnk

rule SEKOIA_Apt_Gamaredon_Lnk : FILE
{
	meta:
		description = "Detects lnk file used by Gamaredon"
		author = "Sekoia.io"
		id = "bfa69d84-433c-4f37-93b7-5b1b11677fbb"
		date = "2024-02-08"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_gamaredon_lnk.yar#L1-L16"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "be73ffca4b88f11e33532cf9a179743508bfa7a60c6f4de98c245b350b5fb910"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$s1 = "-windowstyle hidden $(gc " wide
		$s2 = "|out-string)|powershell -noprofile -" wide

	condition:
		uint32be( 0 ) == 0x4c000000 and any of them and filesize < 100KB
}