rule Windows_VulnDriver_PassMark_183dd481 {
meta:
author = "Elastic Security"
id = "183dd481-7052-4a19-aa58-1412e29a0928"
fingerprint = "46509d10166ce40a7231c6ab6a309fb46682a97e768c7cda44007f3ebf0dd339"
creation_date = "2026-05-22"
last_modified = "2026-07-20"
description = "Subject: PassMark Software Pty Ltd"
threat_name = "Windows.VulnDriver.PassMark"
reference_sample = "31f4140c12ac31f5729a8de4dc051d3acd07783564604df831a2a6722c979192"
severity = 50
arch_context = "x86"
scan_context = "file"
license = "Elastic License v2"
os = "windows"
strings:
$subject_name = { 06 03 55 04 03 [2] 50 61 73 73 4D 61 72 6B 20 53 6F 66 74 77 61 72 65 20 50 74 79 20 4C 74 64 }
$str1 = "DirectIo.pdb"
condition:
int16(uint32(0x3C) + 0x5c) == 0x0001 and $subject_name and $str1
}