Potential Persistence via Periodic Tasks

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Identifies the creation or modification of the default configuration for periodic tasks. Adversaries may abuse periodic tasks to execute malicious code or maintain persistence.

Rule type: query

Rule indices:

  • auditbeat-*
  • logs-endpoint.events.*

Severity: low

Risk score: 21

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Domain: Endpoint
  • OS: macOS
  • Use Case: Threat Detection
  • Tactic: Persistence

Version: 103

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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event.category:file and host.os.type:macos and not event.type:"deletion" and
 file.path:(/private/etc/periodic/* or /private/etc/defaults/periodic.conf or /private/etc/periodic.conf)

Framework: MITRE ATT&CKTM