Prompt for Credentials with OSASCRIPT

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Identifies the use of osascript to execute scripts via standard input that may prompt a user with a rogue dialog for credentials.

Rule type: eql

Rule indices:

  • logs-endpoint.events.*

Severity: high

Risk score: 73

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: Credential Access
  • Data Source: Elastic Defend

Version: 106

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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process where host.os.type == "macos" and event.type in ("start", "process_started") and process.name : "osascript" and
 process.command_line : "osascript*display dialog*password*"

Framework: MITRE ATT&CKTM