Suspicious RDP Enable or Disable through Win32_TerminalServiceSetting WMI Class (via process_creation)
This rule detects enabling or disabling of Remote Desktop Protocol (RDP) using alternate methods such as WMIC or PowerShell. In PowerShell one-liner commands, the "SetAllowTSConnections" method of the "Win32_TerminalServiceSetting" class may be used to enable or disable RDP. In WMIC, the "rdtoggle" alias or "Win32_TerminalServiceSetting" class may be used for the same purpose.
SigmamediumWindowsv1
sigma
suspicious-rdp-enable-or-disable-through-win32-terminalservicesetting-wmi-class-via-process-creation
title: Suspicious RDP Enable or Disable through Win32_TerminalServiceSetting WMI Class (via process_creation)
id: ccb08ef1-85d0-5d9f-ada7-6989d1f0a769
status: stable
description: This rule detects enabling or disabling of Remote Desktop Protocol (RDP) using alternate methods such as WMIC or PowerShell. In PowerShell one-liner commands, the "SetAllowTSConnections" method of the "Win32_TerminalServiceSetting" class may be used to enable or disable RDP. In WMIC, the "rdtoggle" alias or "Win32_TerminalServiceSetting" class may be used for the same purpose.
references:
- https://attack.mitre.org/techniques/T1047/
- https://attack.mitre.org/techniques/T1021/001/
- https://www.trendmicro.com/en_gb/research/22/e/uncovering-a-kingminer-botnet-attack-using-trend-micro-managed-x.html
- https://github.com/HackTricks-wiki/hacktricks/blob/72f20a3fa26775b932bd819f1824c6377802a768/src/windows-hardening/basic-cmd-for-pentesters.md#firewall
- https://github.com/Lifailon/RSA/blob/rsa/Sources/RSA-1.4.1.ps1#L1468
author: Huntrule Team
date: 2026-05-08
tags:
- attack.lateral-movement
- attack.t1021.001
- attack.execution
- attack.t1047
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith:
- '\wmic.exe'
- '\powershell.exe'
- '\pwsh.exe'
- OriginalFileName:
- 'wmic.exe'
- 'PowerShell.EXE'
- 'pwsh.dll'
selection_cli_method:
CommandLine|contains:
- 'rdtoggle'
- 'Win32_TerminalServiceSetting'
selection_cli_property:
CommandLine|contains: 'SetAllowTSConnections'
condition: all of selection_*
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.