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Update "Short Lived Scheduled Task"#4152

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nasbench merged 4 commits into
splunk:developfrom
AndreiBanaru:update-sch-task
Jul 17, 2026
Merged

Update "Short Lived Scheduled Task"#4152
nasbench merged 4 commits into
splunk:developfrom
AndreiBanaru:update-sch-task

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@AndreiBanaru

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I believe this detection was built on non-XML Windows Events. As such it does not work in modern environments.

  • The Message field from | xmlkv Message doesn't really exist in XML events, nor does the Task_Name form the transaction command. I think would be better to look at object_attrs and fetch the Command field- an analyst would be greatful, I believe.
  • The transaction command should be updated to "group" also by dest, not just TaskName.
  • maxspan=30s should be sufficient to replace the eval and the search evaluation section.

Comment thread detections/endpoint/short_lived_scheduled_task.yml
@nasbench nasbench added this to the V6.3.0 milestone Jul 7, 2026
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nasbench previously approved these changes Jul 17, 2026

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LGTM.

Re-generated the dataset to use XML instead and tested locally.

Image

Reduced to Anomaly since the alert is not actionable by itself.

The CI is expected to fail on forks still.

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nasbench merged commit 83fbced into splunk:develop Jul 17, 2026
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