IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Persistence via Login or Logout Hook
edit
IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.
Persistence via Login or Logout Hook
editIdentifies use of the Defaults command to install a login or logoff hook in MacOS. An adversary may abuse this capability to establish persistence in an environment by inserting code to be executed at login or logout.
Rule type: eql
Rule indices:
- auditbeat-*
- logs-endpoint.events.*
Severity: medium
Risk score: 47
Runs every: 5m
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
- Persistence
Version: 7
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editprocess where event.type == "start" and process.name == "defaults" and process.args == "write" and process.args in ("LoginHook", "LogoutHook") and not process.args : ( "Support/JAMF/ManagementFrameworkScripts/logouthook.sh", "Support/JAMF/ManagementFrameworkScripts/loginhook.sh", "/Library/Application Support/JAMF/ManagementFrameworkScripts/logouthook.sh", "/Library/Application Support/JAMF/ManagementFrameworkScripts/loginhook.sh" )
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Boot or Logon Initialization Scripts
- ID: T1037
- Reference URL: https://attack.mitre.org/techniques/T1037/
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