Possible System Shutdown/Reboot - Linux (via auditd)
This rule detects threat actors may shutdown/reboot systems to interrupt access to, or aid in the destruction of, those systems.
SigmainformationalLinuxv1
sigma
possible-system-shutdown-reboot-linux-via-auditd
title: Possible System Shutdown/Reboot - Linux (via auditd)
id: e59c2c5f-4611-51ec-a75d-466fb356b585
status: stable
description: This rule detects threat actors may shutdown/reboot systems to interrupt access to, or aid in the destruction of, those systems.
references:
- https://attack.mitre.org/techniques/T1529/
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1529/T1529.md
author: 'Huntrule Team'
date: 2026-01-01
tags:
- attack.impact
- attack.t1529
logsource:
product: linux
service: auditd
detection:
execve:
type: 'EXECVE'
shutdowncmd:
- 'shutdown'
- 'reboot'
- 'halt'
- 'poweroff'
init:
- 'init'
- 'telinit'
initselection:
- 0
- 6
condition: execve and (shutdowncmd or (init and initselection))
falsepositives:
- Unknown
level: informational
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.