45 lines
1.5 KiB
YAML
45 lines
1.5 KiB
YAML
title: Abusable Invoke-ATHRemoteFXvGPUDisablementCommand
|
|
author: frack113
|
|
date: 2021/07/13
|
|
description: RemoteFXvGPUDisablement.exe is an abusable, signed PowerShell host executable
|
|
that was introduced in Windows 10 and Server 2019 (OS Build 17763.1339).
|
|
detection:
|
|
SELECTION_1:
|
|
HostApplication: '*Invoke-ATHRemoteFXvGPUDisablementCommand *'
|
|
SELECTION_2:
|
|
HostApplication: '*-ModuleName *'
|
|
SELECTION_3:
|
|
HostApplication: '*-ModulePath *'
|
|
SELECTION_4:
|
|
HostApplication: '*-ScriptBlock *'
|
|
SELECTION_5:
|
|
HostApplication: '*-RemoteFXvGPUDisablementFilePath*'
|
|
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3 or SELECTION_4 or SELECTION_5))
|
|
falsepositives:
|
|
- Unknown
|
|
fields:
|
|
- ComputerName
|
|
- User
|
|
- CommandLine
|
|
- ParentCommandLine
|
|
id: f65e22f9-819e-4f96-9c7b-498364ae7a25
|
|
level: medium
|
|
logsource:
|
|
definition: fields have to be extract from event
|
|
product: windows
|
|
service: powershell-classic
|
|
modified: 2021/09/07
|
|
references:
|
|
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1218/T1218.md
|
|
- https://github.com/redcanaryco/AtomicTestHarnesses/blob/master/TestHarnesses/T1218_SignedBinaryProxyExecution/InvokeRemoteFXvGPUDisablementCommand.ps1
|
|
related:
|
|
- id: 38a7625e-b2cb-485d-b83d-aff137d859f4
|
|
type: derived
|
|
status: experimental
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1218
|
|
yml_filename: powershell_classic_susp_athremotefxvgpudisablementcommand.yml
|
|
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/powershell/powershell_classic
|
|
|