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:

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

Severity: high

Risk score: 73

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
  • Credential Access

Version: 100 (version history)

Added (Elastic Stack release): 7.12.0

Last modified (Elastic Stack release): 8.5.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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Applications for password management.

Investigation guide

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Rule query

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process where 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*"

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 100 (8.5.0 release)
  • Formatting only
Version 5 (8.4.0 release)
  • Formatting only
Version 3 (8.2.0 release)
  • Formatting only
Version 2 (7.13.0 release)
  • Updated query, changed from:

    event.category:process and event.type:(start or process_started) and
    process.name:security and process.args:("find-generic-password" or
    "find-internet-password")