Detection rules › Sigma
Tunneling Tool Execution
Detects the execution of well known tools that can be abused for data exfiltration and tunneling.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control | T1071.001 Application Layer Protocol: Web Protocols, T1572 Protocol Tunneling |
| Exfiltration | T1041 Exfiltration Over C2 Channel |
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: 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
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 |
|---|---|---|
Image | ends_with |
|