SEKOIA_Apt_Sandworm_Notpetya_Strings

rule SEKOIA_Apt_Sandworm_Notpetya_Strings : FILE
{
	meta:
		description = "Detects NotPetya worm"
		author = "Sekoia.io"
		id = "c6021638-1b59-4d20-a29d-95cabf256a28"
		date = "2022-04-15"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_sandworm_notpetya_strings.yar#L1-L21"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "5600071de4b4022a71c48fbcd4b5e47ff6dfa291cc5eac65720bbf763068a6e3"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "wevtutil cl Security &" wide
		$ = "wevtutil cl System &" wide
		$ = "u%s \\%s -accepteula -s" wide
		$ = "\\\\%ws\\admin$\\%ws" wide
		$ = "\\\\%s\\admin$" wide
		$ = "C:\\Windows\\System32\\rundll32.exe \"C:\\Windows\\%s\",#1" wide

	condition:
		uint16be( 0 ) == 0x4d5a and 3 of them
}