DITEKSHEN_MALWARE_Win_Killmbr

rule DITEKSHEN_MALWARE_Win_Killmbr : FILE
{
	meta:
		description = "Detects KillMBR"
		author = "ditekSHen"
		id = "b109865f-e268-5633-bb8e-f390dd050d99"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L4305-L4316"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "1ed9206f90052df7e533be4612afa373e5e69fba8f5b5ae4df1c09a9d98958cf"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "\\\\.\\PhysicalDrive" ascii
		$s2 = "/logger.php" ascii
		$s3 = "Ooops! Your MBR was been rewritten" ascii
		$s4 = "No, this ransomware dont encrypt your files, erases it" ascii

	condition:
		uint16( 0 ) == 0x5a4d and ( 2 of them and #s1 > 10 )
}