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Okta User Session Start Via An Anonymising Proxy Service

Detects when an Okta user session starts where the user is behind an anonymising proxy service.

MITRE ATT&CK

defense-evasion

Detection Query

selection:
  eventtype: user.session.start
  securitycontext.isproxy: "true"
condition: selection

Author

kelnage

Created

2023-09-07

Data Sources

oktaokta

Platforms

okta

References

Tags

attack.defense-evasionattack.t1562.006

Raw Content

title: Okta User Session Start Via An Anonymising Proxy Service
id: bde30855-5c53-4c18-ae90-1ff79ebc9578
status: test
description: Detects when an Okta user session starts where the user is behind an anonymising proxy service.
references:
    - https://developer.okta.com/docs/reference/api/system-log/
    - https://sec.okta.com/articles/2023/08/cross-tenant-impersonation-prevention-and-detection
author: kelnage
date: 2023-09-07
tags:
    - attack.defense-evasion
    - attack.t1562.006
logsource:
    product: okta
    service: okta
detection:
    selection:
        eventtype: 'user.session.start'
        securitycontext.isproxy: 'true'
    condition: selection
falsepositives:
    - If a user requires an anonymising proxy due to valid justifications.
level: high