Okta Fast Pass phishing Detection

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Id	78d2b06c-8dc0-40e1-91c8-66d916c186f3
Rulename	Okta Fast Pass phishing Detection
Description	This query detects cases in which Okta FastPass effectively prevented access to a known phishing website.
Severity	Medium
Tactics	InitialAccess
Techniques	T1566
Required data connectors	OktaSSO OktaSSOv2
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Okta Single Sign-On/Analytic Rules/PhishingDetection.yaml
Version	1.1.0
Arm template	78d2b06c-8dc0-40e1-91c8-66d916c186f3.json

KQL

OktaSSO
| where eventType_s == 'user.authentication.auth_via_mfa'
| where outcome_result_s == 'FAILURE'
| where outcome_reason_s == 'FastPass declined phishing attempt'
| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by actor_alternateId_s, actor_displayName_s, client_userAgent_os_s, client_ipAddress_s, client_geographicalContext_state_s,displayMessage_s, outcome_result_s,
 outcome_reason_s, column_ifexists('debugContext_debugData_logOnlySecurityData_s', ""), debugContext_debugData_threatSuspected_s, client_userAgent_rawUserAgent_s,client_userAgent_browser_s, severity_s, client_geographicalContext_city_s, client_geographicalContext_country_s
| extend Location = strcat(client_geographicalContext_city_s, "-", client_geographicalContext_country_s)

YAML

triggerThreshold: 0
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: actor_alternateId_s
  - identifier: DisplayName
    columnName: actor_displayName_s
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: client_ipAddress_s
requiredDataConnectors:
- dataTypes:
  - Okta_CL
  connectorId: OktaSSO
- dataTypes:
  - OktaSSO
  connectorId: OktaSSOv2
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Okta Single Sign-On/Analytic Rules/PhishingDetection.yaml
customDetails:
  UserAgent: client_userAgent_rawUserAgent_s
  Location: Location
tags:
- Okta
name: Okta Fast Pass phishing Detection
relevantTechniques:
- T1566
status: Available
version: 1.1.0
queryPeriod: 1h
kind: Scheduled
id: 78d2b06c-8dc0-40e1-91c8-66d916c186f3
query: |
  OktaSSO
  | where eventType_s == 'user.authentication.auth_via_mfa'
  | where outcome_result_s == 'FAILURE'
  | where outcome_reason_s == 'FastPass declined phishing attempt'
  | summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by actor_alternateId_s, actor_displayName_s, client_userAgent_os_s, client_ipAddress_s, client_geographicalContext_state_s,displayMessage_s, outcome_result_s,
   outcome_reason_s, column_ifexists('debugContext_debugData_logOnlySecurityData_s', ""), debugContext_debugData_threatSuspected_s, client_userAgent_rawUserAgent_s,client_userAgent_browser_s, severity_s, client_geographicalContext_city_s, client_geographicalContext_country_s
  | extend Location = strcat(client_geographicalContext_city_s, "-", client_geographicalContext_country_s)  
description: |
    'This query detects cases in which Okta FastPass effectively prevented access to a known phishing website.'
queryFrequency: 1h
severity: Medium
triggerOperator: gt
tactics:
- InitialAccess

ARM