Possible Okta DoS Attack

Detects possible Denial of Service (DoS) attacks against an Okta organization. An adversary may attempt to disrupt an organization’s business operations by performing a DoS attack against its Okta service.

Rule type: query

Rule indices:

filebeat-*
logs-okta*

Severity: medium

Risk score: 47

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

Elastic
Identity
Okta
Continuous Monitoring
SecOps
Monitoring

Version: 6 (version history)

Added (Elastic Stack release): 7.9.0

Last modified (Elastic Stack release): 7.13.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guide

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## Config

The Okta Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

Rule query

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event.dataset:okta.system and
event.action:(application.integration.rate_limit_exceeded or
system.org.rate_limit.warning or system.org.rate_limit.violation or
core.concurrency.org.limit.violation)

Threat mapping

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Framework: MITRE ATT&CK^TM

Tactic:
- Name: Impact
- ID: TA0040
- Reference URL: https://attack.mitre.org/tactics/TA0040/
Technique:
- Name: Network Denial of Service
- ID: T1498
- Reference URL: https://attack.mitre.org/techniques/T1498/

Rule version history

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Version 6 (7.13.0 release)

Formatting only

Version 5 (7.12.0 release)

Formatting only

Version 4 (7.11.2 release)

Formatting only

Version 3 (7.11.0 release)

Formatting only

Version 2 (7.10.0 release)

Updated query, changed from:

event.module:okta and event.dataset:okta.system and
event.action:(application.integration.rate_limit_exceeded or
system.org.rate_limit.warning or system.org.rate_limit.violation or
core.concurrency.org.limit.violation)

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