Detection rules › Sigma
Remote PowerShell Sessions Network Connections (WinRM)
Detects basic PowerShell Remoting (WinRM) by monitoring for network inbound connections to ports 5985 OR 5986
Known false positives
- Legitimate use of remote PowerShell execution
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Security-Auditing | Event ID 5156: The Windows Filtering Platform has permitted a connection. |
Rule body
title: Remote PowerShell Sessions Network Connections (WinRM)
id: 13acf386-b8c6-4fe0-9a6e-c4756b974698
status: test
description: Detects basic PowerShell Remoting (WinRM) by monitoring for network inbound connections to ports 5985 OR 5986
references:
- https://threathunterplaybook.com/hunts/windows/190511-RemotePwshExecution/notebook.html
author: Roberto Rodriguez @Cyb3rWard0g
date: 2019-09-12
modified: 2022-10-09
tags:
- attack.execution
- attack.t1059.001
logsource:
product: windows
service: security
detection:
selection:
EventID: 5156
DestPort:
- 5985
- 5986
LayerRTID: 44
condition: selection
falsepositives:
- Legitimate use of remote PowerShell execution
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
EventID: 5156
DestPort:
- 5985
- 5986
LayerRTID: 44
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
DestPort | eq |
| field:"DestinationPort" kind:eq |
LayerRTID | eq |
| field:"LayerRTID" kind:eq value:"44" |