Potentially Suspicious Named Pipe Created Through Mkfifo (via process_creation)

title: Potentially Suspicious Named Pipe Created Through Mkfifo (via process_creation)
id: 48b2a9be-906c-531c-a67b-e98fa53dcf3f
status: stable
description: This rule detects the creation of a new named pipe using the "mkfifo" utility in a potentially anomalous 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: Huntrule Team
date: 2026-02-18
tags:
    - attack.execution
    - attack.t1059.004
logsource:
    category: process_creation
    product: linux
detection:
    selection:
        Image|endswith: '/mkfifo'
        CommandLine|contains: ' /tmp/'
    condition: selection
falsepositives:
    - Unknown
level: medium