Windows_VulnDriver_Asrock_7c90b972

rule Windows_VulnDriver_Asrock_7c90b972 {
    meta:
        author = "Elastic Security"
        id = "7c90b972-6631-42c4-bd0a-6cf8e838349f"
        fingerprint = "d1b551fbd0c10f5512782797c9043601a8524538db1a7bac952590a49b1950ce"
        creation_date = "2026-05-22"
        last_modified = "2026-06-25"
        description = "Subject: ASUSTeK COMPUTER INC., Version: <= 1.2.28.0"
        threat_name = "Windows.VulnDriver.Asrock"
        reference_sample = "383df3b803ea69e16de314c82c2099283e746a6865cc4488ac927510ab5ada9c"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 41 53 55 53 54 65 4B 20 43 4F 4D 50 55 54 45 52 20 49 4E 43 2E }
        $version = /V\x00S\x00_\x00V\x00E\x00R\x00S\x00I\x00O\x00N\x00_\x00I\x00N\x00F\x00O\x00\x00\x00{0,4}\xbd\x04\xef\xfe[\x00-\xff]{4}([\x00-\xff][\x00-\xff][\x00-\x00][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x01][\x00-\x00][\x01-\x01][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x02-\x02][\x00-\x00][\x01-\x01][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\x1b][\x00-\x00]|[\x02-\x02][\x00-\x00][\x01-\x01][\x00-\x00][\x00-\x00][\x00-\x00][\x1c-\x1c][\x00-\x00])/
        $str1 = "AsIO3_64.sys.pdb"
        $str2 = "AsIO3 Driver" wide
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $version and $str1 and $str2
}