Sigma rule: Dism Remove Online Package

Rule

Title

Dism Remove Online Package

Status

test

Level

medium

Author

frack113

Date

2022-01-16

Modified

2022-08-26

File

rules/windows/process_creation/proc_creation_win_dism_remove.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Deployment Image Servicing and Management tool. DISM is used to enumerate, install, uninstall, configure, and update features and packages in Windows images

Log source

product

windows

category

process_creation

Detection

selection_dismhost:
    Image|endswith: '\DismHost.exe'
    ParentCommandLine|contains|all:
        - '/Online'
        - '/Disable-Feature'
        # - '/FeatureName:'
        # - '/Remove'
        # /NoRestart
        # /quiet
selection_dism:
    Image|endswith: '\Dism.exe'
    CommandLine|contains|all:
        - '/Online'
        - '/Disable-Feature'
        # - '/FeatureName:'
        # - '/Remove'
        # /NoRestart
        # /quiet
condition: 1 of selection_*

False positives (as the rule lists them)

• Legitimate script

Tags

• attack.defense-impairment
• attack.t1685

MITRE ATT&CK ids this rule names

• T1685

References

• 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

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_dism_remove.yml