rule Windows_VulnDriver_PassMark_63fc2257 {
meta:
author = "Elastic Security"
id = "63fc2257-552e-45c0-9fe3-f0a6d5a0fbd6"
fingerprint = "43cc79589ef03c0281da171e78869fcf3db5b57399f29ce65a99873453e73a65"
creation_date = "2026-05-22"
last_modified = "2026-07-20"
description = "Subject: PassMark Software Pty Ltd"
threat_name = "Windows.VulnDriver.PassMark"
reference_sample = "035b96ff8b85d312be0f9df6271714392a802ec8bab59ae8229812ddc67ced5a"
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 = "DirectIo32.pdb"
condition:
int16(uint32(0x3C) + 0x5c) == 0x0001 and $subject_name and $str1
}