SEKOIA_Apt_Apt28_Wayzgoose_Exploit_String

rule SEKOIA_Apt_Apt28_Wayzgoose_Exploit_String : FILE
{
	meta:
		description = "Detects APT28's Wayzgoose exploit strings"
		author = "Sekoia.io"
		id = "23d9e09e-202c-47f5-abf7-6b5085e44400"
		date = "2024-04-29"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_apt28_wayzgoose_exploit_string.yar#L1-L20"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "804de275f7e8c43fe5690c0bd9338b134c0c47f845f1c3b3a747c3765815084c"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "wayzgoose.dll"
		$ = "wayzgoose_get_version"
		$ = "NtSetInformationFile"
		$ = "ZwDuplicateObject"
		$ = "ZwClose"

	condition:
		uint16be( 0 ) == 0x4d5a and 4 of them and filesize < 500KB
}