
title: Rare Scheduled Task Creations
author: Florian Roth
date: 2017/03/17
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.
detection:
  SELECTION_1:
    EventID: 106
  condition: SELECTION_1 | count() by TaskName < 5
falsepositives:
- Software installation
id: b20f6158-9438-41be-83da-a5a16ac90c2b
level: low
logsource:
  product: windows
  service: taskscheduler
status: experimental
tags:
- attack.persistence
- attack.t1053
- attack.s0111
- attack.t1053.005
ruletype: SIGMA
