SEKOIA_Apt_Suspected_Sandworm_Sdelete_Wiper

rule SEKOIA_Apt_Suspected_Sandworm_Sdelete_Wiper : FILE
{
	meta:
		description = "Detects Sdelete wiper"
		author = "Sekoia.io"
		id = "c1419b11-33e5-4280-b92a-039719cb17d3"
		date = "2023-10-25"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_suspected_sandworm_sdelete_wiper.yar#L1-L19"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "094b946b89cfb475b8692f88af73fa8768a933139e0df9d6e7d7aa8614d3ab14"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$s1 = ".exe -accepteula -r -s -q" wide
		$s2 = "sdelete [-p passes] [-r]" wide
		$s3 = "!This program cannot be run in DOS mode."

	condition:
		uint16be( 0 ) == 0x4d5a and $s1 and $s2 and #s3 == 2 and filesize < 500KB
}