User Login from Different Countries within 3 hours

let timeframe = ago(3h);
let threshold = 2;
OktaSSO
| where column_ifexists('published_t', now()) >= timeframe
| where eventType_s =~ "user.session.start"
| where outcome_result_s =~ "SUCCESS"
| where isnotempty(column_ifexists('client_geographicalContext_country_s', ''))
| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), NumOfCountries = dcount(tostring(column_ifexists('client_geographicalContext_country_s', ''))) by actor_alternateId_s
| where NumOfCountries >= threshold
| extend AccountName = tostring(split(actor_alternateId_s, "@")[0]), AccountUPNSuffix = tostring(split(actor_alternateId_s, "@")[1])

name: User Login from Different Countries within 3 hours
triggerOperator: gt
query: |
  let timeframe = ago(3h);
  let threshold = 2;
  OktaSSO
  | where column_ifexists('published_t', now()) >= timeframe
  | where eventType_s =~ "user.session.start"
  | where outcome_result_s =~ "SUCCESS"
  | where isnotempty(column_ifexists('client_geographicalContext_country_s', ''))
  | summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), NumOfCountries = dcount(tostring(column_ifexists('client_geographicalContext_country_s', ''))) by actor_alternateId_s
  | where NumOfCountries >= threshold
  | extend AccountName = tostring(split(actor_alternateId_s, "@")[0]), AccountUPNSuffix = tostring(split(actor_alternateId_s, "@")[1])
queryFrequency: 3h
description: |
  This rule detects successful user logins to the Okta Console from different countries within 3 hours. This may indicate a compromised account or an account being used by multiple individuals in different locations.
id: 2954d424-f786-4677-9ffc-c24c44c6e7d5
triggerThreshold: 0
queryPeriod: 3h
version: 1.1.2
kind: Scheduled
customDetails:
  NumOfCountries: NumOfCountries
  StartTime: StartTime
  EndTime: EndTime
status: Available
severity: High
requiredDataConnectors:
- connectorId: OktaSSO
  dataTypes:
  - Okta_CL
- connectorId: OktaSSOv2
  dataTypes:
  - OktaSSO
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Okta%20Single%20Sign-On/Analytic%20Rules/LoginfromUsersfromDifferentCountrieswithin3hours.yaml
alertDetailsOverride:
  alertDescriptionFormat: User {{actor_alternateId_s}} authenticated successfully from {{NumOfCountries}} countries within 3 hours.
  alertDisplayNameFormat: User {{actor_alternateId_s}} logged in from {{NumOfCountries}} countries within 3 hours
relevantTechniques:
- T1078.004
tactics:
- InitialAccess
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: AccountName
  - identifier: UPNSuffix
    columnName: AccountUPNSuffix
  entityType: Account

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/2954d424-f786-4677-9ffc-c24c44c6e7d5')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/2954d424-f786-4677-9ffc-c24c44c6e7d5')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "User {{actor_alternateId_s}} authenticated successfully from {{NumOfCountries}} countries within 3 hours.",
          "alertDisplayNameFormat": "User {{actor_alternateId_s}} logged in from {{NumOfCountries}} countries within 3 hours"
        },
        "alertRuleTemplateName": "2954d424-f786-4677-9ffc-c24c44c6e7d5",
        "customDetails": {
          "EndTime": "EndTime",
          "NumOfCountries": "NumOfCountries",
          "StartTime": "StartTime"
        },
        "description": "This rule detects successful user logins to the Okta Console from different countries within 3 hours. This may indicate a compromised account or an account being used by multiple individuals in different locations.\n",
        "displayName": "User Login from Different Countries within 3 hours",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountName",
                "identifier": "Name"
              },
              {
                "columnName": "AccountUPNSuffix",
                "identifier": "UPNSuffix"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Okta%20Single%20Sign-On/Analytic%20Rules/LoginfromUsersfromDifferentCountrieswithin3hours.yaml",
        "query": "let timeframe = ago(3h);\nlet threshold = 2;\nOktaSSO\n| where column_ifexists('published_t', now()) >= timeframe\n| where eventType_s =~ \"user.session.start\"\n| where outcome_result_s =~ \"SUCCESS\"\n| where isnotempty(column_ifexists('client_geographicalContext_country_s', ''))\n| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), NumOfCountries = dcount(tostring(column_ifexists('client_geographicalContext_country_s', ''))) by actor_alternateId_s\n| where NumOfCountries >= threshold\n| extend AccountName = tostring(split(actor_alternateId_s, \"@\")[0]), AccountUPNSuffix = tostring(split(actor_alternateId_s, \"@\")[1])\n",
        "queryFrequency": "PT3H",
        "queryPeriod": "PT3H",
        "severity": "High",
        "status": "Available",
        "subTechniques": [
          "T1078.004"
        ],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1078"
        ],
        "templateVersion": "1.1.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}