CyberArk Privileged Access Security Recommended Monitor

Elastic Stack Serverless Security

Identifies the occurrence of a CyberArk Privileged Access Security (PAS) non-error level audit event which is recommended for monitoring by the vendor. The event.code correlates to the CyberArk Vault Audit Action Code.

Rule type: query

Rule indices:

• filebeat-*
• logs-cyberarkpas.audit*

Severity: high

Risk score: 73

Runs every: 5m

Searches indices from: now-30m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)

Maximum alerts per execution: 100

References:

• https://docs.cyberark.com/Product-Doc/OnlineHelp/PAS/Latest/en/Content/PASREF/Vault%20Audit%20Action%20Codes.htm?tocpath=Administration%7CReferences%7C*_*3#RecommendedActionCodesforMonitoring

Tags:

• Data Source: CyberArk PAS
• Use Case: Log Auditing
• Use Case: Threat Detection
• Tactic: Privilege Escalation
• Resources: Investigation Guide

Version: 103

Rule authors:

• Elastic

Rule license: Elastic License v2

Triage and analysis

This is a promotion rule for CyberArk events, which the vendor recommends should be monitored. Consult vendor documentation on interpreting specific events.

The CyberArk Privileged Access Security (PAS) Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

event.dataset:cyberarkpas.audit and
  event.code:(4 or 22 or 24 or 31 or 38 or 57 or 60 or 130 or 295 or 300 or 302 or
              308 or 319 or 344 or 346 or 359 or 361 or 378 or 380 or 411) and
  not event.type:error

Framework: MITRE ATT&CKTM

• Tactic:

  • Name: Privilege Escalation
  • ID: TA0004
  • Reference URL: https://attack.mitre.org/tactics/TA0004/

• Technique:

  • Name: Valid Accounts
  • ID: T1078
  • Reference URL: https://attack.mitre.org/techniques/T1078/

• Tactic:

  • Name: Initial Access
  • ID: TA0001
  • Reference URL: https://attack.mitre.org/tactics/TA0001/