Possible Service Reload or Start - Linux (via auditd)

This rule detects the start, reload or restart of a service.

SigmalowLinuxv1
sigma
title: Possible Service Reload or Start - Linux (via auditd)
id: 71d729e1-1e8c-510b-a9bb-82fe217df01d
status: stable
description: This rule detects the start, reload or restart of a service.
references:
    - https://attack.mitre.org/techniques/T1543/002/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1543.002/T1543.002.md
author: Huntrule Team
date: 2026-06-22
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1543.002
logsource:
    product: linux
    service: auditd
detection:
    selection:
        type: 'EXECVE'
        a0|contains:
            - 'systemctl'
            - 'service'
        a1|contains:
            - 'reload'
            - 'start'
    filter_hr:
        a1|contains: daemon-reload
    condition: (selection) and not filter_hr
falsepositives:
    - Unknown
level: low

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.