Defrag Deactivation


Description

Detects the deactivation and disabling of the Scheduled defragmentation task as seen by Slingshot APT group

Query · sigma

selection:
  Image|endswith: \schtasks.exe
  CommandLine|contains:
  - /delete
  - /change
  CommandLine|contains|all:
  - /TN
  - \Microsoft\Windows\Defrag\ScheduledDefrag
condition: selection

Known false positives

  • Unknown
Raw source Defrag Deactivation · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Defrag Deactivation
id: 958d81aa-8566-4cea-a565-59ccd4df27b0
status: test
description: Detects the deactivation and disabling of the Scheduled defragmentation task as seen by Slingshot APT group
references:
    - https://securelist.com/apt-slingshot/84312/
author: Florian Roth (Nextron Systems), Bartlomiej Czyz (@bczyz1)
date: 2019-03-04
modified: 2022-10-09
tags:
    - attack.privilege-escalation
    - attack.execution
    - attack.persistence
    - attack.t1053.005
    - attack.s0111
    - detection.emerging-threats
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\schtasks.exe'
        CommandLine|contains:
            - '/delete'
            - '/change'
        CommandLine|contains|all:
            - '/TN'
            - '\Microsoft\Windows\Defrag\ScheduledDefrag'
    condition: selection
falsepositives:
    - Unknown
level: medium

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