Detection rules › Sigma
Service Reload or Start - Linux
Detects the start, reload or restart of a service.
Known false positives
- Installation of legitimate service.
- Legitimate reconfiguration of service.
- Command line contains daemon-reload.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | |
| Privilege Escalation |
Telemetry coverage
| Platform | Record / event type |
|---|---|
| Linux | auditd EXECVE record: Arguments supplied to the execve system call |
Rule body
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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
type: 'EXECVE'
a0|contains:
- 'systemctl'
- 'service'
a1|contains:
- 'reload'
- 'start'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
a0 | match |
| field:"a0" kind:match |
a1 | match |
| field:"a1" kind:match |
type | eq |
| field:"type" kind:eq value:"EXECVE" |