Detection rules › Sigma

Dism Remove Online Package

Severity
medium
Author
frack113
Source
upstream

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

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1562.001 Impair Defenses: Disable or Modify Tools

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: 1 of selection_dismhost

Image|endswith: '\DismHost.exe'
ParentCommandLine|contains: '/Disable-Feature'
ParentCommandLine|contains: '/Online'

Stage 2: 1 of selection_dism

CommandLine|contains: '/Disable-Feature'
CommandLine|contains: '/Online'
Image|endswith: '\Dism.exe'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
CommandLinematch
  • /Disable-Feature
  • /Online
Imageends_with
  • \Dism.exe
  • \DismHost.exe corpus 2 (sigma 2)
ParentCommandLinematch
  • /Disable-Feature
  • /Online