Detection rules › Sigma
Port Forwarding Activity Via SSH.EXE
Detects port forwarding activity via SSH.exe
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Lateral Movement | T1021.001 Remote Services: Remote Desktop Protocol, T1021.004 Remote Services: SSH |
| Command & Control | T1572 Protocol Tunneling |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
| Security-Auditing | Event ID 4688 | A new process has been created. |
Rule body yaml
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
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|