Windows_VulnDriver_GDrv_5368078b

rule Windows_VulnDriver_GDrv_5368078b {
    meta:
        author = "Elastic Security"
        id = "5368078b-5dba-42c7-a50c-ac8859d3393d"
        fingerprint = "ce6e81ee34ba47466684387bdb957c3018b9c06938dbb2f7eb830609bd085f66"
        creation_date = "2022-04-04"
        last_modified = "2022-04-04"
        description = "Name: gdrv.sys, Version: 5.2.3790.1830"
        threat_name = "Windows.VulnDriver.GDrv"
        reference_sample = "31f4cfb4c71da44120752721103a16512444c13c2ac2d857a7e6f13cb679b427"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $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 67 00 64 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-\x02][\x00-\x00])([\x00-\x05][\x00-\x00])([\x00-\x26][\x00-\x07]|[\x00-\xff][\x00-\x06])([\x00-\xce][\x00-\x0e]|[\x00-\xff][\x00-\x0d])|([\x00-\xff][\x00-\xff])([\x00-\x04][\x00-\x00])([\x00-\xff][\x00-\xff])([\x00-\xff][\x00-\xff])|([\x00-\x01][\x00-\x00])([\x00-\x05][\x00-\x00])([\x00-\xff][\x00-\xff])([\x00-\xff][\x00-\xff])|([\x00-\x02][\x00-\x00])([\x00-\x05][\x00-\x00])([\x00-\xff][\x00-\xff])([\x00-\xcd][\x00-\x0e]|[\x00-\xff][\x00-\x0d]))/
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and $original_file_name and $version
}