CyberArk Privileged Access Security Recommended Monitor

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 (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

Version: 102

Rule authors:

Elastic

Rule license: Elastic License v2

Investigation guide

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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.

Setup

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

Rule query

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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&CK^TM

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/

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