Windows_VulnDriver_RtCore_6fb16ce5

rule Windows_VulnDriver_RtCore_6fb16ce5 {
    meta:
        author = "Elastic Security"
        id = "6fb16ce5-427e-4402-8633-5b649ea86f8a"
        fingerprint = "61408c72cd6ce319d35c28c6c1d65f8011f2c8391e752a5142a468228c0d4bb8"
        creation_date = "2026-05-22"
        last_modified = "2026-07-29"
        description = "Subject: Micro-Star Int'l Co. Ltd., Version: <= 1.0.0.0"
        threat_name = "Windows.VulnDriver.RtCore"
        reference_sample = "38fa0c663c8689048726666f1c5e019feaa9da8278f1df6ff62da33961891d2a"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 4D 69 63 72 6F 2D 53 74 61 72 20 49 6E 74 27 6C 20 43 6F 2E 20 4C 74 64 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 4E 00 54 00 49 00 4F 00 4C 00 69 00 62 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 = "NTIOLib.pdb"
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $original_file_name and $version and $str1
}