{
  // Microsoft DNS debug log parser — OCSF v1.3.0
  attributes: {
    "metadata.version":             "1.3.0",
    "metadata.product.vendor_name": "Microsoft",
    "metadata.product.name":        "DNS Server",
    "Category":               "network",
    "dataSource.vendor":      "Microsoft",
    "dataSource.name":        "DNS Server",
    "dataSource.category":    "dns",
    "category_uid":           4,
    "category_name":          "Network Activity",
    "class_uid":              4003,
    "class_name":             "DNS Activity",
    "activity_id":            1,
    "type_uid":               400301,
    "status_id":              1,
    "severity_id":            1
  },

  patterns: {
    ipv4: "\\d+\\.\\d+\\.\\d+\\.\\d+",
    word: "\\S+",
    rest: ".*"
  },

  formats: [
    {
      id: "msdns_query",
      attributes: {
        class_uid: 4003, class_name: "DNS Activity",
        type_uid: 400301
      },
      format: ".* $proto=word$ $direction=word$ $src_ip=ipv4$ .* Q .* $query_type=word$ .* $query_name=rest$",
      halt: true,
      rewrites: [
        // DNS tunneling (very long query)
        { input: "query_name", output: "class_uid",     match: "^.{120,}$", replace: "2004" },
        { input: "query_name", output: "class_name",    match: "^.{120,}$", replace: "Detection Finding" },
        { input: "query_name", output: "category_uid",  match: "^.{120,}$", replace: "2" },
        { input: "query_name", output: "type_uid",      match: "^.{120,}$", replace: "200401" },
        { input: "query_name", output: "finding_title", match: "^.{120,}$", replace: "MS-DNS Suspected Tunneling (long query)" },
        { input: "query_name", output: "severity_id",   match: "^.{120,}$", replace: "4" },
        { input: "query_name", output: "severity",      match: "^.{120,}$", replace: "High" }
      ]
    }
  ]
}