Detection rules › Sigma
Allow RDP Remote Assistance Feature
Detect enable rdp feature to allow specific user to rdp connect on the targeted machine
Known false positives
- Legitimate use of the feature (alerts should be investigated either way)
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | |
| Defense Impairment |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 13: RegistryEvent (Value Set) |
Rule body
title: Allow RDP Remote Assistance Feature
id: 37b437cf-3fc5-4c8e-9c94-1d7c9aff842b
status: test
description: Detect enable rdp feature to allow specific user to rdp connect on the targeted machine
references:
- https://github.com/redcanaryco/atomic-red-team/blob/40b77d63808dd4f4eafb83949805636735a1fd15/atomics/T1112/T1112.md
author: frack113
date: 2022-08-19
modified: 2023-08-17
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:
- Legitimate use of the feature (alerts should be investigated either way)
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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
TargetObject|endswith: 'System\CurrentControlSet\Control\Terminal Server\fAllowToGetHelp'
Details: DWORD (0x00000001)
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Details | eq |
| field:"Details" kind:eq value:"DWORD (0x00000001)" |
TargetObject | ends_with |
| field:"TargetObject" kind:ends_with value:"System\CurrentControlSet\Control\Terminal Server\fAllowToGetHelp" |