elastic / detection-rules

https://www.elastic.co/guide/en/security/current/detection-engine-overview.html
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[New Rule][BBR] Detect authentication to a new Okta app over the last 30 days #4101

Open brokensound77 opened 2 weeks ago

brokensound77 commented 2 weeks ago

Description

Detect users authenticating to a newly seen Okta app over the last 30 days. This is meant to detect Discovery or Lateral Movement attempts.

An ES|QL hunt version is being tracked here: #4102

Target Ruleset

okta

Target Rule Type

New Terms

Tested ECS Version

No response

Query

event.action:"user.authentication.sso"

New terms user.email, okta.target_app.display_name

New fields required in ECS/data sources for this rule?

No response

Related issues or PRs

No response

References

No response

Redacted Example Data

No response