Sigma rule: Potential RemoteFXvGPUDisablement.EXE Abuse - PowerShell ScriptBlock
A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-76f92bc152fd, updated 2023-05-09T00:00:00.000Z.
Rule
- Title
- Potential RemoteFXvGPUDisablement.EXE Abuse - PowerShell ScriptBlock
- Status
- test
- Level
- high
- Author
- Nasreddine Bencherchali (Nextron Systems)
- Date
- 2023-05-09
- File
- rules/windows/powershell/powershell_script/posh_ps_remotefxvgpudisablement_abuse.yml
- Commit
- ccbb0369507f796db0b0ae6854c8a2be471b9d84
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.
Log source
- product
- windows
- category
- ps_script
- definition
- bade5735-5ab0-4aa7-a642-a11be0e40872
Detection
selection:
ScriptBlockText|startswith: 'function Get-VMRemoteFXPhysicalVideoAdapter {'
condition: selectionFalse positives (as the rule lists them)
- Unknown
Tags
- attack.stealth
- attack.t1218
MITRE ATT&CK ids this rule names
Related rules
- a6fc3c46-23b8-4996-9ea2-573f4c4d88c5 (similar)
- f65e22f9-819e-4f96-9c7b-498364ae7a25 (similar)
- 38a7625e-b2cb-485d-b83d-aff137d859f4 (similar)
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
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/powershell/powershell_script/posh_ps_remotefxvgpudisablement_abuse.yml
Sources and licences
SigmaHQ
"Potential RemoteFXvGPUDisablement.EXE Abuse - PowerShell ScriptBlock" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_script/posh_ps_remotefxvgpudisablement_abuse.yml.
Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License
Cite this page
Dragons Eye Ransomware Tracker, "Sigma rule: Potential RemoteFXvGPUDisablement.EXE Abuse - PowerShell ScriptBlock",
entity page, dataset version ref-76f92bc152fd, updated 2023-05-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/cacef8fc-9d3d-41f7-956d-455c6e881bc5 (accessed 2026-11-03).
Underlying source: SigmaHQ rule cacef8fc-9d3d-41f7-956d-455c6e881bc5, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.
Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.