Windows_VulnDriver_Asus_c790c867

rule Windows_VulnDriver_Asus_c790c867 {
    meta:
        author = "Elastic Security"
        id = "c790c867-8d34-4866-8f4d-e3b350b7adb0"
        fingerprint = "5b31f170d9b02cc31021c7c23aba7cd15c7cbb10074e0502517733bbb529adb8"
        creation_date = "2026-05-22"
        last_modified = "2026-06-25"
        description = "Subject: ASUSTeK Computer Inc., Version: <= 1.4.0.0"
        threat_name = "Windows.VulnDriver.Asus"
        reference_sample = "04e9a85d89a5119ff2dd2342719f6129d42627e3083559c88d4f3be607dd1f06"
        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 6F 6D 70 75 74 65 72 20 49 6E 63 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 49 00 4F 00 4D 00 61 00 70 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-\x03][\x00-\x00][\x01-\x01][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x04-\x04][\x00-\x00][\x01-\x01][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00])/
        $str1 = "IOMap.pdb"
        $str2 = "ASUS Kernel Mode Driver for Windows" wide
        $str3 = "ASUS Kernel Mode Driver for NT " 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 and $str3
}