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CyberArk Privileged Access Security Recommended Monitor

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CyberArk Privileged Access Security Recommended Monitor

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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: 5 minutes

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:

Elastic
cyberarkpas
SecOps
Log Auditing
Threat Detection
Privilege Escalation

Version: 101 (version history)

Added (Elastic Stack release): 7.14.0

Last modified (Elastic Stack release): 8.6.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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To tune this rule, add exceptions to exclude any event.code which should not trigger this rule.

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.

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

Threat mapping

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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/

Rule version history

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Version 101 (8.6.0 release)

Formatting only

Version 100 (8.5.0 release)

Formatting only

Version 3 (8.4.0 release)

Formatting only

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