Detection rules › Sigma
Port Forwarding Activity Via SSH.EXE
Detects port forwarding activity via SSH.exe
Known false positives
- Administrative activity using a remote port forwarding to a local port
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Lateral Movement | |
| Command & Control |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
title: Port Forwarding Activity Via SSH.EXE
id: 327f48c1-a6db-4eb8-875a-f6981f1b0183
status: test
description: Detects port forwarding activity via SSH.exe
references:
- https://www.absolomb.com/2018-01-26-Windows-Privilege-Escalation-Guide/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-10-12
modified: 2024-03-05
tags:
- attack.command-and-control
- attack.lateral-movement
- attack.t1572
- attack.t1021.001
- attack.t1021.004
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\ssh.exe'
CommandLine|contains|windash: ' -R '
condition: selection
falsepositives:
- Administrative activity using a remote port forwarding to a local port
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith: '\ssh.exe'
CommandLine|contains|windash: ' -R '
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match value:" -R " |
Image | ends_with |
| field:"Image" kind:ends_with value:"\ssh.exe" |