Windows_VulnDriver_Asrock_9e4e8b75

rule Windows_VulnDriver_Asrock_9e4e8b75 {
    meta:
        author = "Elastic Security"
        id = "9e4e8b75-6f5d-4fc4-bd21-6ccf57e72812"
        fingerprint = "a1aea70a25267a840b7318221007d2a5afca7957f0e8ccd40aee2399dcc092ee"
        creation_date = "2026-05-22"
        last_modified = "2026-06-25"
        description = "Subject: ASROCK INC., Version: <= 1.0.0.0"
        threat_name = "Windows.VulnDriver.Asrock"
        reference_sample = "12177d777345f60a579e7bd8f0df95296af6e293e5560ee544fcced99a5db0df"
        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 52 4F 43 4B 20 49 4E 43 2E }
        $original_file_name = { 4F 00 72 00 69 00 67 00 69 00 6E 00 61 00 6C 00 46 00 69 00 6C 00 65 00 6E 00 61 00 6D 00 65 00 00 00 41 00 73 00 72 00 44 00 72 00 76 00 2E 00 73 00 79 00 73 00 00 00 }
        $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-\x00][\x00-\x00][\x01-\x01][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00])/
        $str1 = "AsrDrv107n.pdb"
        $str2 = "ASRock IO Driver" wide
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $original_file_name and $version and $str1 and $str2
}