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Finder Sync Plugin Registered and Enablededit
Finder Sync plugins enable users to extend Finder’s functionality by modifying the user interface. Adversaries may abuse this feature by adding a rogue Finder Plugin to repeatedly execute malicious payloads for persistence.
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
References:
Tags:
- 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
Potential false positivesedit
Trusted Finder Sync Plugins
Rule queryedit
process where event.type in ("start", "process_started") and
process.name : "pluginkit" and process.args : "-e" and process.args
: "use" and process.args : "-i" and not process.args : (
"com.google.GoogleDrive.FinderSyncAPIExtension",
"com.google.drivefs.findersync", "com.boxcryptor.osx.Rednif",
"com.adobe.accmac.ACCFinderSync",
"com.microsoft.OneDrive.FinderSync", "com.insynchq.Insync.Insync-
Finder-Integration", "com.box.desktop.findersyncext" ) and not
process.parent.executable : ( "/Library/Application Support/IDrive
forMac/IDriveHelperTools/FinderPluginApp.app/Contents/MacOS/FinderPlug
inApp" )
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Create or Modify System Process
- ID: T1543
- Reference URL: https://attack.mitre.org/techniques/T1543/
Rule version historyedit
- Version 100 (8.5.0 release)
-
-
Updated query, changed from:
sequence by host.id, user.id with maxspan = 5s [process where event.type in ("start", "process_started") and process.name : "pluginkit" and process.args : "-a"] [process where event.type in ("start", "process_started") and process.name : "pluginkit" and process.args : "-e" and process.args : "use" and process.args : "-i" and not process.args : ( "com.google.GoogleDrive.FinderSyncAPIExtension", "com.google.drivefs.findersync", "com.boxcryptor.osx.Rednif", "com.adobe.accmac.ACCFinderSync", "com.microsoft.OneDrive.FinderSync", "com.insynchq.Insync.Insync-Finder-Integration", "com.box.desktop.findersyncext" ) ]
-
- Version 3 (8.4.0 release)
-
- Formatting only
- Version 2 (7.15.0 release)
-
- Formatting only