gistfile1.txt

{
    "date": {
      "field": "crowdstrike.metadata.eventCreationTime",
      "target_field": "@timestamp",
      "formats": ["UNIX_MS"],
      "timezone": "UTC"
    }
  },
  {
    "set": {
      "field": "event.kind",
      "value": "alert"
    }
  }, 
  {   
    "set": {
      "field": "event.type",
      "value": [ "info" ]
    }
  },
  {
    "set": {
      "field": "event.category",
      "value": [ "malware" ]
    }
  }