Keychain Password Retrieval via Command Line

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Adversaries may collect keychain storage data from a system to in order to acquire credentials. Keychains are the built-in way for macOS to keep track of users' passwords and credentials for many services and features, including Wi-Fi and website passwords, secure notes, certificates, and Kerberos.

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 == "start" and
 process.name : "security" and process.args : "-wa" and process.args : ("find-generic-password", "find-internet-password") and
 process.args : ("Chrome*", "Chromium", "Opera", "Safari*", "Brave", "Microsoft Edge", "Edge", "Firefox*") and
 not process.parent.executable : "/Applications/Keeper Password Manager.app/Contents/Frameworks/Keeper Password Manager Helper*/Contents/MacOS/Keeper Password Manager Helper*"

Framework: MITRE ATT&CKTM