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RemoteFXvGPUDisablement Abuse Via AtomicTestHarnesses — Sigma Rule

Sigma rule a6fc3c46-23b8-4996-9ea2-573f4c4d88c5. RemoteFXvGPUDisablement Abuse Via AtomicTestHarnesses — Sigma Rule. 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.

Rule metadata and linked tags

testhighwindowsprocess_creationattack.stealthattack.t1218

Author: frack113. Source status: test; severity: high. Source dates: 2021-07-13 / 2023-05-09.

{
  "product": "windows",
  "category": "process_creation"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 4604910d8b60e2dd1184d1f92f972730dc665191d5e6c2d89dd500be3d79191e

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: RemoteFXvGPUDisablement Abuse Via AtomicTestHarnesses
id: a6fc3c46-23b8-4996-9ea2-573f4c4d88c5
related:
    - id: f65e22f9-819e-4f96-9c7b-498364ae7a25 # PS Classic
      type: similar
    - id: 38a7625e-b2cb-485d-b83d-aff137d859f4 # PS Module
      type: similar
    - id: cacef8fc-9d3d-41f7-956d-455c6e881bc5 # PS ScriptBlock
      type: similar
status: test
description: 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.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218/T1218.md
    - https://github.com/redcanaryco/AtomicTestHarnesses/blob/7e1e4da116801e3d6fcc6bedb207064577e40572/TestHarnesses/T1218_SignedBinaryProxyExecution/InvokeRemoteFXvGPUDisablementCommand.ps1
author: frack113
date: 2021-07-13
modified: 2023-05-09
tags:
    - attack.stealth
    - attack.t1218
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        CommandLine|contains:
            - 'Invoke-ATHRemoteFXvGPUDisablementCommand'
            - 'Invoke-ATHRemoteFXvGPUDisableme'
    condition: selection
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

  • Unknown

Source references

Connected ecosystem references

Exact source-tagged techniques

Telemetry review

Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.

Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.