Windows_VulnDriver_Viragt_84d508ad

rule Windows_VulnDriver_Viragt_84d508ad {
    meta:
        author = "Elastic Security"
        id = "84d508ad-939d-4e3b-b9a6-204eb8bcaee5"
        fingerprint = "172be67b6bb07f189fd5e535e173d245114bf4b17c3daf89924a30c7219d3e69"
        creation_date = "2022-04-07"
        last_modified = "2022-04-07"
        description = "Name: viragt64.sys, Version: 1.0.0.11"
        threat_name = "Windows.VulnDriver.Viragt"
        reference_sample = "58a74dceb2022cd8a358b92acd1b48a5e01c524c3b0195d7033e4bd55eff4495"
        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 76 00 69 00 72 00 61 00 67 00 74 00 36 00 34 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-\x00][\x00-\x00])([\x00-\x01][\x00-\x00])([\x00-\x0b][\x00-\x00])([\x00-\x00][\x00-\x00])|([\x00-\xff][\x00-\xff])([\x00-\x00][\x00-\x00])([\x00-\xff][\x00-\xff])([\x00-\xff][\x00-\xff]))/
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and $original_file_name and $version
}