Prompt for Credentials with OSASCRIPT

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:

auditbeat-*
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:

Elastic
Host
macOS
Threat Detection
Credential Access

Version: 6

Rule authors:

Elastic

Rule license: Elastic License v2

Investigation guide

edit

Rule query

edit

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

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
Technique:
- Name: Input Capture
- ID: T1056
- Reference URL: https://attack.mitre.org/techniques/T1056/
Sub-technique:
- Name: GUI Input Capture
- ID: T1056.002
- Reference URL: https://attack.mitre.org/techniques/T1056/002/

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