Service Reload or Start - Linux — Sigma Rule

Rule metadata and linked tags

Author: Jakob Weinzettl, oscd.community, CheraghiMilad. Source status: test; severity: low. Source dates: 2019-09-23 / 2025-03-03.

{
  "product": "linux",
  "service": "auditd"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 5246ff79ed2f3617139591d2c1e87c099cb93cf346785afef96dcda6d97403f5

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Service Reload or Start - Linux
id: 2625cc59-0634-40d0-821e-cb67382a3dd7
status: test
description: Detects the start, reload or restart of a service.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1543.002/T1543.002.md
author: Jakob Weinzettl, oscd.community, CheraghiMilad
date: 2019-09-23
modified: 2025-03-03
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'
    condition: selection
falsepositives:
    - Installation of legitimate service.
    - Legitimate reconfiguration of service.
    - Command line contains daemon-reload.
level: low

Original YAML and metadata in JSON

False positives

• Installation of legitimate service.
• Legitimate reconfiguration of service.
• Command line contains daemon-reload.

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1543.002/T1543.002.md