Elastic Security Detection Rules

Potential Okta MFA Bombing via Push Notifications

Last updated 5 days ago on 2024-09-23
Created 10 months ago on 2023-11-18

About

Detects when an attacker abuses the Multi-Factor authentication mechanism by repeatedly issuing login requests until the user eventually accepts the Okta push notification. An adversary may attempt to bypass the Okta MFA policies configured for an organization to obtain unauthorized access.
Tags
Use Case: Identity and Access AuditTactic: Credential AccessData Source: Okta
Severity
high
Risk Score
73
MITRE ATT&CK™

Credential Access (TA0006)(opens in a new tab or window)

↳ Multi-Factor Authentication Request Generation (T1621)(opens in a new tab or window)

License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Event Correlation Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
filebeat-*logs-okta*
Related Integrations

okta(opens in a new tab or window)

Query
sequence by okta.actor.id with maxspan=10m
  [authentication where event.dataset == "okta.system"
    and okta.event_type == "user.mfa.okta_verify.deny_push"] with runs=5
  until [authentication where event.dataset == "okta.system"
    and (okta.event_type: (
      "user.authentication.sso",
      "user.authentication.auth_via_mfa",
      "user.authentication.verify",
      "user.session.start") and okta.outcome.result == "SUCCESS")]

Install detection rules in Elastic Security

Detect Potential Okta MFA Bombing via Push Notifications in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).