IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« Modification of OpenSSH Binaries Modification of Standard Authentication Module or Configuration »
Elastic Docs ›Elastic Security Solution [8.4] ›Detections and alerts ›Prebuilt rule reference

Modification of Safari Settings via Defaults Command

edit

Modification of Safari Settings via Defaults Command

edit

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-*
  • 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

References:

Tags:

  • Elastic
  • Host
  • macOS
  • Threat Detection
  • Defense Evasion

Version: 2 (version history)

Added (Elastic Stack release): 7.12.0

Last modified (Elastic Stack release): 8.4.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule query

edit
event.category:process and event.type:start and
process.name:defaults and process.args: (com.apple.Safari and
write and not ( UniversalSearchEnabled or
SuppressSearchSuggestions or WebKitTabToLinksPreferenceKey or
ShowFullURLInSmartSearchField or
com.apple.Safari.ContentPageGroupIdentifier.WebKit2TabsToLinks )
)

Threat mapping

edit

Framework: MITRE ATT&CKTM

Rule version history

edit
Version 2 (8.4.0 release)
  • Formatting only
« Modification of OpenSSH Binaries Modification of Standard Authentication Module or Configuration »