Also noticing there is a problem in the props.conf with assigning the dest attribute in order to properly assign hostname values for use with the Malware Data Model in ES. If dhost has a value and shost doesn't, the logic in the original props.conf appears to overwrite dest with shost which is null. Added the following to local/props.conf which appears to have resolved it and left the default/props.conf alone. Perhaps this could be incorporated in the next release as well. Thanks
[trendmicro]
EVAL-dest = case((isnotnull(shost) AND isnull(dhost)),shost,(isnull(shost) AND isnotnull(dhost)),dhost)
... View more