Improved detections based on telemetry data#4011
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P4T12ICK
requested review from
ljstella,
nasbench and
patel-bhavin
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nasbench
reviewed
Apr 16, 2026
| author: Mauricio Velazco, Michael Haag, Splunk | ||
| status: production | ||
| type: TTP | ||
| type: Anomaly |
Contributor
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Did you want to keep the score 50 for this?
| search: |- | ||
| | tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime FROM datamodel=Endpoint.Processes | ||
| WHERE Processes.parent_process_name=msiexec.exe Processes.process_name IN ("powershell.exe", "pwsh.exe","cmd.exe", "nltest.exe","ipconfig.exe","systeminfo.exe") | ||
| WHERE Processes.parent_process_name=msiexec.exe Processes.process_name IN ("powershell.exe", "pwsh.exe", "nltest.exe","ipconfig.exe","systeminfo.exe") |
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Can you add reasoning for the filter, so that people do not add it in the future without consideration.
| "*;LS*", | ||
| "*;S-1-5-19*" | ||
| ) | ||
| NOT Processes.process IN ("*McAfeeFramework*", "*mfefire*", "*mfemms*", "*mfevtp*", "*macmnsvc*", "*masvc*") |
Contributor
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Please add a note in the rule to make people aware about this filter. So for those who do not use McAfee products make the necessary changes if they want
| WHERE `process_regsvr32` | ||
| AND | ||
| Processes.process="*/i*" | ||
| Processes.process="*/i*" AND NOT Processes.process="*Microsoft\\TeamsMeetingAddin*" |
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Please add a note in the FP section about this and teams
Contributor
|
@P4T12ICK if you address these we can ship this in 5.26 next week |
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Improved detections based on telemetry data