SigmaHQ/rules/windows/other/win_rare_schtask_creation.yml

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YAML

title: Rare Scheduled Task Creations
status: experimental
description: This rule detects rare scheduled task creations. Typically software gets installed on multiple systems and not only on a few. The aggregation and count function selects tasks with rare names.
tags:
- attack.t1053
- attack.s0111
author: Florian Roth
logsource:
product: windows
service: taskscheduler
detection:
selection:
EventID: 106
timeframe: 7d
condition: selection | count() by TaskName < 5
falsepositives:
- Software installation
level: low