forked from demisto/content
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Modified parsing rule to support future dates scenarios - Symantec EP (…
…demisto#36728) * Modified parsing rule to support future dates scenarios * Added release note * Modified release note
- Loading branch information
Showing
3 changed files
with
21 additions
and
5 deletions.
There are no files selected for viewing
21 changes: 17 additions & 4 deletions
21
...EndpointProtection/ParsingRules/SymantecEndpointProtection/SymantecEndpointProtection.xif
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,7 +1,20 @@ | ||
[INGEST:vendor="symantec", product="ep", target_dataset="symantec_ep_raw", no_hit = keep] | ||
// Support only date time of format: MMM dd hh:mm:ss.nnn. For example: "Dec 1 10:00:00". | ||
filter _raw_log ~= "[a-zA-z]{3}\s*\d*\s\d*:\d*:\d*\s" | ||
| alter tmp_time1 = to_string(arrayindex(regextract(_raw_log, "([a-zA-z]{3}\s*\d*\s\d*:\d*:\d*)\s"),0)) | ||
| alter tmp_time1 = concat(format_timestamp("%Y",_insert_time)," ", tmp_time1) | ||
| alter _time = parse_timestamp("%Y %b %d %T", tmp_time1) | ||
| fields -tmp_time1; | ||
| alter | ||
tmp_time_without_year = to_string(arrayindex(regextract(_raw_log, "([a-zA-z]{3}\s*\d*\s\d*:\d*:\d*)\s"),0)), | ||
tmp_current_year = format_timestamp("%Y",_insert_time) | ||
| alter tmp_time_current_year = if(tmp_time_without_year != null and tmp_time_without_year != "", concat(tmp_current_year, " ", tmp_time_without_year), null) | ||
// Parse timestamp with current year | ||
| alter tmp_time_current_year = parse_timestamp("%Y %b %d %T", tmp_time_current_year) | ||
// Calculate time diff | ||
| alter tmp_timeDiff = timestamp_diff(tmp_time_current_year, current_time(), "MILLISECOND") | ||
// Check if the date is a future date | ||
| alter tmp_last_year = if(tmp_timeDiff > 0, to_string(subtract(to_integer(tmp_current_year),1)), null) | ||
// Create timestamp minus 1 year if the timestamp is a future one | ||
| alter tmp_time_last_year = if(tmp_last_year != null, concat(tmp_last_year, " ", tmp_time_without_year), null) | ||
// Parse timestamp with last year value | ||
| alter | ||
tmp_time_last_year = if(tmp_time_last_year != null, parse_timestamp("%Y %b %d %T", tmp_time_last_year), null) | ||
| alter _time = coalesce(tmp_time_last_year, tmp_time_current_year) | ||
| fields -tmp_time_without_year, tmp_current_year, tmp_time_current_year, tmp_timeDiff, tmp_last_year, tmp_time_last_year; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,3 @@ | ||
#### Parsing Rules | ||
##### Symantec_Endpoint_Protection | ||
Improved implementation of _time parsing, to support timestamps without a year. |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters