SEKOIA_Backdoor_Lin_Sysupdate

rule SEKOIA_Backdoor_Lin_Sysupdate : FILE
{
	meta:
		description = "Detect the SysUpdate malware"
		author = "Sekoia.io"
		id = "9cb806cf-4ca1-44d8-809a-58cc5f364fb8"
		date = "2023-03-01"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/backdoor_lin_sysupdate.yar#L1-L20"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "93e17cd535444e9cabc7440b1226526e67ddb81a84eb6377689a62f268b9dfee"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "generate guid path=%s"
		$ = "3rd/asio/include/asio/detail/posix_event.hpp"
		$ = "expires_at"
		$ = "%s -f %s"
		$ = "expires_after"
		$ = "-run"

	condition:
		uint32( 0 ) == 0x464c457f and all of them
}