Persistence via Folder Action Scriptedit

A Folder Action script is executed when the folder to which it is attached has items added or removed, or when its window is opened, closed, moved, or resized. Adversaries may abuse this feature to establish persistence by utilizing a malicious script.

Rule type: eql

Rule indices:

  • auditbeat-*

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



  • Elastic
  • Host
  • macOS
  • Threat Detection
  • Execution
  • Persistence

Version: 4

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule queryedit

sequence by with maxspan=5s
 [process where event.type in ("start", "process_started", "info") and == ""] by
 [process where event.type in ("start", "process_started") and in ("osascript", "python", "tcl", "node", "perl", "ruby", "php", "bash", "csh", "zsh", "sh")] by