IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
SoftwareUpdate Preferences Modificationedit
Identifies changes to the SoftwareUpdate preferences using the built-in defaults command. Adversaries may abuse this in an attempt to disable security updates.
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
Potential false positivesedit
Authorized SoftwareUpdate Settings Changes
Rule queryedit
event.category:process and event.type:(start or process_started) and process.name:defaults and process.args:(write and "-bool" and (com.apple.SoftwareUpdate or /Library/Preferences/com.apple.SoftwareUpdate.plist) and not (TRUE or true))
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Impair Defenses
- ID: T1562
- Reference URL: https://attack.mitre.org/techniques/T1562/
Rule version historyedit
- Version 2 (8.4.0 release)
-
- Formatting only