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 Folder Action Script
editPersistence via Folder Action Script
editA 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-*
- 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
- Execution
- Persistence
Version: 3 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 7.14.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule query
editsequence by host.id with maxspan=5s [process where event.type in ("start", "process_started", "info") and process.name == "com.apple.foundation.UserScriptService"] by process.pid [process where event.type in ("start", "process_started") and process.name in ("osascript", "sh")] by process.parent.pid
Threat mapping
editFramework: 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/
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/
Rule version history
edit- Version 3 (7.14.0 release)
-
-
Updated query, changed from:
sequence by host.id with maxspan=5s [process where event.type in ("start", "process_started", "info") and process.name == "com.apple.foundation.UserScriptService"] by process.pid [process where event.type in ("start", "process_started") and process.name in ("osascript", "sh")] by process.ppid
-
- Version 2 (7.12.0 release)
-
- Formatting only