Detection rules › Sigma
Potentially Suspicious Named Pipe Created Via Mkfifo
Detects the creation of a new named pipe using the "mkfifo" utility in a potentially suspicious location
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | No specific technique |
Telemetry coverage
| Platform | Record / event type |
|---|---|
| Linux | Event ID 1: Process Create |
Rule body
title: Potentially Suspicious Named Pipe Created Via Mkfifo
id: 999c3b12-0a8c-40b6-8e13-dd7d62b75c7a
related:
- id: 9d779ce8-5256-4b13-8b6f-b91c602b43f4
type: derived
status: test
description: Detects the creation of a new named pipe using the "mkfifo" utility in a potentially suspicious location
references:
- https://dev.to/0xbf/use-mkfifo-to-create-named-pipe-linux-tips-5bbk
- https://www.mandiant.com/resources/blog/barracuda-esg-exploited-globally
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-06-16
tags:
- attack.execution
logsource:
category: process_creation
product: linux
detection:
selection:
Image|endswith: '/mkfifo'
# Note: Add more potentially suspicious locations
CommandLine|contains: ' /tmp/'
condition: selection
falsepositives:
- Unknown
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith: '/mkfifo'
CommandLine|contains: ' /tmp/'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match value:" /tmp/" |
Image | ends_with |
| field:"Image" kind:ends_with value:"/mkfifo" |