Detection rules › Sigma
Tunneling Tool Execution
Detects the execution of well known tools that can be abused for data exfiltration and tunneling.
Known false positives
- Legitimate administrators using one of these tools
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control | |
| Exfiltration |
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: Tunneling Tool Execution
id: c75309a3-59f8-4a8d-9c2c-4c927ad50555
status: test
description: Detects the execution of well known tools that can be abused for data exfiltration and tunneling.
author: Daniil Yugoslavskiy, oscd.community
references:
- https://www.microsoft.com/en-us/security/blog/2022/07/26/malicious-iis-extensions-quietly-open-persistent-backdoors-into-servers/
date: 2019-10-24
modified: 2024-01-18
tags:
- attack.exfiltration
- attack.command-and-control
- attack.t1041
- attack.t1572
- attack.t1071.001
- detection.threat-hunting
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith:
- '\httptunnel.exe'
- '\plink.exe'
- '\socat.exe'
- '\stunnel.exe'
condition: selection
falsepositives:
- Legitimate administrators using one of these tools
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith:
- '\httptunnel.exe'
- '\plink.exe'
- '\socat.exe'
- '\stunnel.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with |