Windows_VulnDriver_Agent64_fe689229

rule Windows_VulnDriver_Agent64_fe689229 {
    meta:
        author = "Elastic Security"
        id = "fe689229-a81f-440a-86b0-68ea5b852089"
        fingerprint = "9ffccd8c7d0df0e1284bf632836cfd0e7ad35832b9bd4fbc7703b6bcc1cd286b"
        creation_date = "2026-04-02"
        last_modified = "2026-06-25"
        description = "Name: Agent64.sys, Version: <= 1.0.0.1"
        threat_name = "Windows.VulnDriver.Agent64"
        reference_sample = "4db1e0fdc9e6cefeb1d588668ea6161a977c372d841e7b87098cf90aa679abfb"
        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 41 00 67 00 65 00 6E 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-\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]|[\x00-\x00][\x00-\x00][\x01-\x01][\x00-\x00][\x01-\x01][\x00-\x00][\x00-\x00][\x00-\x00])/
        $str1 = "Agent64.pdb"
        $str2 = "DriverAgent" wide
        $str3 = "DriverAgent Direct I/O for 64-bit Windows" wide
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $original_file_name and $version and $str1 and $str2 and $str3
}