title: Defrag Deactivation
id: c5a178bf-9cfb-4340-b584-e4df39b6a3e7
related:
    - id: 958d81aa-8566-4cea-a565-59ccd4df27b0
      type: derived
description: Detects the deactivation and disabling of the Scheduled defragmentation task as seen by Slingshot APT group
status: experimental
author: Florian Roth, Bartlomiej Czyz (@bczyz1)
date: 2019/03/04
modified: 2021/09/19
references:
    - https://securelist.com/apt-slingshot/84312/
tags:
    - attack.persistence
    - attack.t1053
    - attack.s0111
logsource:
    product: windows
    service: security
    definition: 'Requirements: Audit Policy : Audit Other Object Access Events > Success'
detection:
    selection:
        EventID: 4701
        TaskName: '\Microsoft\Windows\Defrag\ScheduledDefrag'
    condition: selection
falsepositives:
    - Unknown
level: medium