IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Finder Sync Plugin Registered and Enabled
editFinder Sync Plugin Registered and Enabled
editFinder 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:
- https://github.com/specterops/presentations/raw/master/Leo Pitt/Hey_Im_Still_in_Here_Modern_macOS_Persistence_SO-CON2020.pdf
Tags:
- Elastic
- Host
- macOS
- Threat Detection
- Persistence
Version: 1
Added (Elastic Stack release): 7.12.0
Rule authors: Elastic
Rule license: Elastic License v2
Potential false positives
editTrusted Finder Sync Plugins
Rule query
editsequence 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" ) ]
Threat mapping
editFramework: 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/