Modification of Safari Settings via Defaults Commandedit

Identifies changes to the Safari configuration using the built-in defaults command. Adversaries may attempt to enable or disable certain Safari settings, such as enabling JavaScript from Apple Events to ease in the hijacking of the users browser.

Rule type: query

Rule indices:

  • auditbeat-*

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
  • Defense Evasion

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

Rule queryedit

event.category:process and event.type:start and and process.args: ( and
write and not ( UniversalSearchEnabled or
SuppressSearchSuggestions or WebKitTabToLinksPreferenceKey or
ShowFullURLInSmartSearchField or )

Threat mappingedit


Rule version historyedit

Version 100 (8.5.0 release)
  • Formatting only
Version 2 (8.4.0 release)
  • Formatting only