Finder Sync Plugin Registered and Enabled

Last updated 3 months ago on 2025-03-18
Created 5 years ago on 2020-12-18

About

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.
Tags
Domain: EndpointOS: macOSUse Case: Threat DetectionTactic: PersistenceData Source: Elastic DefendLanguage: eql
Severity
medium
Risk Score
47
MITRE ATT&CK™

Persistence (TA0003)(opens in a new tab or window)

False Positive Examples
Trusted Finder Sync Plugins
License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Event Correlation Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
logs-endpoint.events.process*
Related Integrations

endpoint(opens in a new tab or window)

Query
process where host.os.type == "macos" and event.type in ("start", "process_started") and process.name == "pluginkit" and
  process.args == "-e" and process.args like~ "use" and process.args == "-i" and
  (process.name like~ ("python*", "node", "osascript", "bash", "sh", "zsh") or (process.parent.code_signature.exists == false or process.parent.code_signature.trusted == false))

Install detection rules in Elastic Security

Detect Finder Sync Plugin Registered and Enabled in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).