Suspicious Allow RDP Remote Assistance Feature (via registry_set)

This rule detects enable rdp feature to enable specific user to rdp connect on the targeted machine

SigmamediumWindowsv1
sigma
title: Suspicious Allow RDP Remote Assistance Feature (via registry_set)
id: dd086609-58da-5b37-944e-637cf5438e44
status: stable
description: This rule detects enable rdp feature to enable specific user to rdp connect on the targeted machine
references:
    - https://attack.mitre.org/techniques/T1112/
    - https://github.com/redcanaryco/atomic-red-team/blob/40b77d63808dd4f4eafb83949805636735a1fd15/atomics/T1112/T1112.md
author: Huntrule Team
date: 2026-06-27
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|endswith: 'System\CurrentControlSet\Control\Terminal Server\fAllowToGetHelp'
        Details: DWORD (0x00000001)
    condition: selection
falsepositives:
    - Unknown
level: medium
regression_tests_path: regression_data/rules/windows/registry/registry_set/registry_set_allow_rdp_remote_assistance_feature/info.yml
simulation:
    - type: atomic-red-team
      name: Allow RDP Remote Assistance Feature
      technique: T1112
      atomic_guid: 86677d0e-0b5e-4a2b-b302-454175f9aa9e

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.