IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Shell Execution via Apple Scripting

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Shell Execution via Apple Scripting

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Identifies the execution of the shell process (sh) via scripting (JXA or AppleScript). Adversaries may use the doShellScript functionality in JXA or do shell script in AppleScript to execute system commands.

Rule type: eql

Rule indices:

  • auditbeat-*
  • logs-endpoint.events.*

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

References:

Tags:

  • Domain: Endpoint
  • OS: macOS
  • Use Case: Threat Detection
  • Tactic: Execution
  • Data Source: Elastic Defend

Version: 104

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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sequence by host.id with maxspan=5s
 [process where host.os.type == "macos" and event.type in ("start", "process_started", "info") and process.name == "osascript"] by process.pid
 [process where host.os.type == "macos" and event.type in ("start", "process_started") and process.name == "sh" and process.args == "-c"] by process.parent.pid

Framework: MITRE ATT&CKTM

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