Emond Rules Creation or Modificationedit

Identifies the creation or modification of the Event Monitor Daemon (emond) rules. Adversaries may abuse this service by writing a rule to execute commands when a defined event occurs, such as system start up or user authentication.

Rule type: eql

Rule indices:

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

Severity: medium

Risk score: 47

Runs every: 5 minutes

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

Maximum alerts per execution: 100



  • Elastic
  • Host
  • macOS
  • Threat Detection
  • Persistence

Version: 100 (version history)

Added (Elastic Stack release): 7.12.0

Last modified (Elastic Stack release): 8.5.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guideedit

Rule queryedit

file where event.type != "deletion" and file.path :
("/private/etc/emond.d/rules/*.plist", "/etc/emon.d/rules/*.plist",

Threat mappingedit


Rule version historyedit

Version 100 (8.5.0 release)
  • Formatting only
Version 5 (8.4.0 release)
  • Formatting only
Version 3 (8.3.0 release)
  • Updated query, changed from:

    file where event.type != "deletion" and file.path :
    ("/private/etc/emond.d/rules/*.plist", "/etc/emon.d/rules/*.plist")
Version 2 (8.2.0 release)
  • Formatting only