Change log for TRENDMICRO_DEEP_SECURITY

Date Changes
2024-04-17 Enhancement :
- Mapped "event_name" to "metadata.product_event_type".
- Mapped "act" additionally to "security_result.action_details".
2024-03-29 Enhancement :
- Added Grok patterns to parse new formats of "cef_event_attributes".
- Mapped "log_type" to "metadata.product_name".
- Mapped "organization" to "metadata.vendor_name".
- Mapped new fields like suer, suid, fileHash, fsize, spt, dpt, etc.
- Mapping sheet link for new fields
https://docs.google.com/spreadsheets/d/1nsI4GmOo0TiTbEKe8rzBe35x2GKT94lQvqWAqjUTYJQ/edit?resourcekey=0-9yuK26FZnswpAeBrF9_x_A#gid=0
2024-03-23 Enhancement :
- Added Grok patterns to parse new formats of "event_attributes" and "cef_event_attributes".
- Mapped "name" to "security_result.summary".
2024-03-04 Enhancement :
- Added a Grok pattern to parse CEF format logs.
- Mapped "TrendMicroDsFileSHA1" to "target.file.sha1".
- Mapped "msg" to "security_result.description".
- Mapped "result" to "security_result.summary".
- Mapped "filePath" to "target.file.full_path".
- Mapped "TrendMicroDsMalwareTarget","TrendMicroDsProcess", "TrendMicroDsMalwareTargetCount","TrendMicroDsMalwareTargetType" and "TrendMicroDsBehaviorType" to "security_result.detection_fields".
- If "dvchost" is not null, then mapped "dvchost" to "target.hostname" else if "cef_host" is not null, then mapped "cef_host" to "target.hostname".
2024-02-13 Enhancement :
- Mapped "target" to "target.hostname"
- Mapped "usrName" to "principal.user.userid"
2022-09-01 Newly created parser.