SEKOIA_Apt_Win_Disabledefender

import "pe"

rule SEKOIA_Apt_Win_Disabledefender
{
	meta:
		description = "detects strings and imphash"
		author = "Sekoia.io"
		id = "a7b124ab-4c9d-47c0-a59e-211cc713b9b3"
		date = "2022-09-23"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_win_disabledefender.yar#L3-L20"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "3b8c8d9144d9f97ee053c7cefc30d3920940bc33efcd1d7f5c61666217ef7896"
		score = 75
		quality = 80
		tags = ""
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "Restarting with privileges"
		$ = "Windows defender is currently ACTIVE"
		$ = "Windows defender is currently OFF"
		$ = "Disabled windows defender"
		$ = "Failed to disable defender..."

	condition:
		4 of them or pe.imphash ( ) == "74a6ef9e7b49c71341e439022f643c8e"
}