Okta User Session Impersonation

Elastic Stack Serverless Security

A user has initiated a session impersonation granting them access to the environment with the permissions of the user they are impersonating. This would likely indicate Okta administrative access and should only ever occur if requested and expected.

Rule type: query

Rule indices:

filebeat-*
logs-okta*

Severity: high

Risk score: 73

Runs every: 15m

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://blog.cloudflare.com/cloudflare-investigation-of-the-january-2022-okta-compromise/

Tags:

Elastic
Identity
Okta
Continuous Monitoring
SecOps
Identity and Access
Credential Access

Version: 1

Rule authors:

Elastic

Rule license: Elastic License v2

Investigation guide

Config

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

Rule query

event.dataset:okta.system and event.action:user.session.impersonation.initiate

Framework: MITRE ATT&CKTM

Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/