Windows_VulnDriver_Asrock_fc9efe77

rule Windows_VulnDriver_Asrock_fc9efe77 {
    meta:
        author = "Elastic Security"
        id = "fc9efe77-0dfe-4423-9a5c-c905317a6d87"
        fingerprint = "630d477181905cd21d221dd55bbd3499237e91157558c6b38f1a6bafa1d18785"
        creation_date = "2026-05-22"
        last_modified = "2026-06-25"
        description = "Subject: ASROCK Incorporation, Version: <= 1.0.0.0"
        threat_name = "Windows.VulnDriver.Asrock"
        reference_sample = "5f9c9816eba11c3505990fff3b235636072ae3319fdc644d455ca51cb17914b0"
        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 6E 63 6F 72 70 6F 72 61 74 69 6F 6E }
        $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 52 00 77 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 = "RWDRV.pdb"
        $str2 = "RW-Everything Read & Write 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
}