High-Risk Admin Activity

let AdminActivity = dynamic(["iam.role.create","iam.role.permissions.add","user.session.access_admin_app","user.mfa.factor.suspend", "user.account.privilege.grant", "group.privilege.grant", "system.api_token.create", "user.session.impersonation.grant"]);
let AdminOperations = OktaSSO
| where eventType_s in (AdminActivity)
| where outcome_result_s =~ 'SUCCESS' 
| summarize  StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by  actor_alternateId_s, actor_displayName_s, client_userAgent_os_s, client_userAgent_browser_s, client_device_s, client_userAgent_rawUserAgent_s, client_ipAddress_s, client_geographicalContext_country_s, client_geographicalContext_city_s, displayMessage_s, outcome_result_s, outcome_reason_s, column_ifexists('debugContext_debugData_logOnlySecurityData_s', ""), debugContext_debugData_threatSuspected_s, client_geographicalContext_geolocation_lat_d, client_geographicalContext_geolocation_lon_d, authenticationContext_externalSessionId_s;
let HighRiskEvents = OktaSSO
| where eventType_s in ('policy.evaluate_sign_on' , 'user.session.start')
| extend debugContext_debugData_logOnlySecurityData_s = column_ifexists('debugContext_debugData_logOnlySecurityData_s', '{}')
| where parse_json(tostring(parse_json(debugContext_debugData_logOnlySecurityData_s).risk)).level =~ "HIGH"
| where outcome_result_s =~ 'SUCCESS'
| extend reasons = tostring(parse_json(tostring(parse_json(debugContext_debugData_logOnlySecurityData_s).risk)).reasons)
| summarize  StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by  actor_alternateId_s, actor_displayName_s, client_userAgent_os_s, client_userAgent_browser_s, client_device_s, client_userAgent_rawUserAgent_s, client_ipAddress_s, client_geographicalContext_country_s, client_geographicalContext_city_s, displayMessage_s, outcome_result_s, outcome_reason_s, column_ifexists('debugContext_debugData_logOnlySecurityData_s', ""), debugContext_debugData_threatSuspected_s, client_geographicalContext_geolocation_lat_d, client_geographicalContext_geolocation_lon_d, authenticationContext_externalSessionId_s, reasons;
AdminOperations
| join kind=inner (HighRiskEvents) on actor_displayName_s, client_ipAddress_s, authenticationContext_externalSessionId_s

description: |
    'The Okta risk engine auto-assigns risk levels to each login attempt. This query identifies admin operations originating from events associated with high-risk profiles.'
kind: Scheduled
tactics:
- Persistence
requiredDataConnectors:
- connectorId: OktaSSO
  dataTypes:
  - Okta_CL
- connectorId: OktaSSOv2
  dataTypes:
  - OktaSSO
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Okta Single Sign-On/Analytic Rules/HighRiskAdminActivity.yaml
severity: Medium
name: High-Risk Admin Activity
customDetails:
  SessionId: authenticationContext_externalSessionId_s
triggerThreshold: 0
queryPeriod: 1h
query: |
  let AdminActivity = dynamic(["iam.role.create","iam.role.permissions.add","user.session.access_admin_app","user.mfa.factor.suspend", "user.account.privilege.grant", "group.privilege.grant", "system.api_token.create", "user.session.impersonation.grant"]);
  let AdminOperations = OktaSSO
  | where eventType_s in (AdminActivity)
  | where outcome_result_s =~ 'SUCCESS' 
  | summarize  StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by  actor_alternateId_s, actor_displayName_s, client_userAgent_os_s, client_userAgent_browser_s, client_device_s, client_userAgent_rawUserAgent_s, client_ipAddress_s, client_geographicalContext_country_s, client_geographicalContext_city_s, displayMessage_s, outcome_result_s, outcome_reason_s, column_ifexists('debugContext_debugData_logOnlySecurityData_s', ""), debugContext_debugData_threatSuspected_s, client_geographicalContext_geolocation_lat_d, client_geographicalContext_geolocation_lon_d, authenticationContext_externalSessionId_s;
  let HighRiskEvents = OktaSSO
  | where eventType_s in ('policy.evaluate_sign_on' , 'user.session.start')
  | extend debugContext_debugData_logOnlySecurityData_s = column_ifexists('debugContext_debugData_logOnlySecurityData_s', '{}')
  | where parse_json(tostring(parse_json(debugContext_debugData_logOnlySecurityData_s).risk)).level =~ "HIGH"
  | where outcome_result_s =~ 'SUCCESS'
  | extend reasons = tostring(parse_json(tostring(parse_json(debugContext_debugData_logOnlySecurityData_s).risk)).reasons)
  | summarize  StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by  actor_alternateId_s, actor_displayName_s, client_userAgent_os_s, client_userAgent_browser_s, client_device_s, client_userAgent_rawUserAgent_s, client_ipAddress_s, client_geographicalContext_country_s, client_geographicalContext_city_s, displayMessage_s, outcome_result_s, outcome_reason_s, column_ifexists('debugContext_debugData_logOnlySecurityData_s', ""), debugContext_debugData_threatSuspected_s, client_geographicalContext_geolocation_lat_d, client_geographicalContext_geolocation_lon_d, authenticationContext_externalSessionId_s, reasons;
  AdminOperations
  | join kind=inner (HighRiskEvents) on actor_displayName_s, client_ipAddress_s, authenticationContext_externalSessionId_s  
relevantTechniques:
- T1098
id: 9f82a735-ae43-4c03-afb4-d5d153e1ace1
queryFrequency: 1h
status: Available
triggerOperator: gt
version: 1.1.1
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: actor_alternateId_s
    identifier: Name
  - columnName: actor_displayName_s
    identifier: DisplayName
- entityType: IP
  fieldMappings:
  - columnName: client_ipAddress_s
    identifier: Address