Detection rules › Sigma

RemoteFXvGPUDisablement Abuse Via AtomicTestHarnesses

Severity
high
Author
frack113
Source
upstream

Detects calls to the AtomicTestHarnesses "Invoke-ATHRemoteFXvGPUDisablementCommand" which is designed to abuse the "RemoteFXvGPUDisablement.exe" binary to run custom PowerShell code via module load-order hijacking.

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1218 System Binary Proxy Execution

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: selection

or:
CommandLine|contains: Invoke-ATHRemoteFXvGPUDisableme
CommandLine|contains: 'Invoke-ATHRemoteFXvGPUDisablementCommand'

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
  • Invoke-ATHRemoteFXvGPUDisableme
  • Invoke-ATHRemoteFXvGPUDisablementCommand