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/
• https://www.elastic.co/security-labs/testing-okta-visibility-and-detection-dorothy

Tags:

• Elastic
• Identity
• Okta
• Continuous Monitoring
• SecOps
• Identity and Access
• Credential Access

Version: 102

Rule authors:

• Elastic

Rule license: Elastic License v2

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/