Detection rules › Sigma

Potential RemoteFXvGPUDisablement.EXE Abuse - PowerShell Module

Severity
high
Author
Nasreddine Bencherchali (Nextron Systems), frack113
Source
upstream

Detects PowerShell module creation where the module Contents are set to "function Get-VMRemoteFXPhysicalVideoAdapter". This could be a sign of potential abuse of the "RemoteFXvGPUDisablement.exe" binary which is known to be vulnerable to module load-order hijacking.

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1218 System Binary Proxy Execution

Event coverage

ProviderEvent IDTitle
PowerShell4103Payload Context: ContextInfo User Data: UserData.

Stages and Predicates

Stage 1: selection

Payload|contains: 'ModuleContents=function Get-VMRemoteFXPhysicalVideoAdapter {'

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
Payloadmatch
  • ModuleContents=function Get-VMRemoteFXPhysicalVideoAdapter {