SEKOIA_Apt_Qnapworm_Loader_May2022

rule SEKOIA_Apt_Qnapworm_Loader_May2022 : FILE
{
	meta:
		description = "Detects the QNAPWorm loader"
		author = "Sekoia.io"
		id = "c6e87a55-73ea-4df4-ab61-b5d34968d741"
		date = "2022-05-23"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_qnapworm_loader_may2022.yar#L1-L28"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "d31fdaaacd417a4191e79e3a287e84c55109158eaacc789b2129e2ba94e443f6"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$s1 = {
        66 C1 C0 05
        0F B7 D8
        81 C3 85 D0 FF FF
        66 C1 C3 02
        0F B7 C3
        0F B6 9A ?? ?? ?? ??
        33 D8
        88 1C 11
        42
        0F B6 D2
        81 FA ?? 00 00 00
        }

	condition:
		uint16be( 0 ) == 0x4d5a and all of ( $s* )
}