Suspicious Dism Remove Online Package (via process_creation)

title: Suspicious Dism Remove Online Package (via process_creation)
id: 1d2681e3-7019-5bce-a97c-cf3104253eca
status: stable
description: This rule detects deployment Image Servicing and Management tool. DISM is leveraged to enumerate, install, uninstall, configure, and update features and packages in Windows images
references:
    - https://attack.mitre.org/techniques/T1685/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md#atomic-test-26---disable-windows-defender-with-dism
    - https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html
author: Huntrule Team
date: 2026-05-10
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    category: process_creation
    product: windows
detection:
    selection_dismhost:
        Image|endswith: '\DismHost.exe'
        ParentCommandLine|contains|all:
            - '/Online'
            - '/Disable-Feature'
    selection_dism:
        Image|endswith: '\Dism.exe'
        CommandLine|contains|all:
            - '/Online'
            - '/Disable-Feature'
    condition: 1 of selection_*
falsepositives:
    - Unknown
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_dism_remove/info.yml
simulation:
    - type: atomic-red-team
      name: Disable Windows Defender with DISM
      technique: T1562.001
      atomic_guid: 871438ac-7d6e-432a-b27d-3e7db69faf58