Dataverse - Login by a sensitive privileged user

# Sensitive users are marked in the VIP Users watchlist using the Tags field.
# Enter the tags values to monitor
let monitored_tags = dynamic(["DataverseSensitive"]);
let query_frequency = 1h;
let sensitive_users = MSBizAppsVIPUsers()
    | where Tags in (monitored_tags);
sensitive_users
| join kind=inner (DataverseActivity
    | where TimeGenerated >= ago(query_frequency)
    | where Message == "UserSignIn")
    on $left.UserPrincipalName == $right.UserId
| summarize FirstSeen = arg_max(TimeGenerated, *) by UserId
| extend
    CloudAppId = int(32780),
    AccountName = tostring(split(UserId, '@')[0]),
    UPNSuffix = tostring(split(UserId, '@')[1])
| project
    FirstSeen,
    UserId,
    ClientIp,
    UserAgent,
    InstanceUrl,
    CloudAppId,
    AccountName,
    UPNSuffix

severity: High
tactics:
- InitialAccess
- CredentialAccess
- PrivilegeEscalation
queryFrequency: 1h
id: f327816b-9328-4b17-9290-a02adc2f4928
query: |
  # Sensitive users are marked in the VIP Users watchlist using the Tags field.
  # Enter the tags values to monitor
  let monitored_tags = dynamic(["DataverseSensitive"]);
  let query_frequency = 1h;
  let sensitive_users = MSBizAppsVIPUsers()
      | where Tags in (monitored_tags);
  sensitive_users
  | join kind=inner (DataverseActivity
      | where TimeGenerated >= ago(query_frequency)
      | where Message == "UserSignIn")
      on $left.UserPrincipalName == $right.UserId
  | summarize FirstSeen = arg_max(TimeGenerated, *) by UserId
  | extend
      CloudAppId = int(32780),
      AccountName = tostring(split(UserId, '@')[0]),
      UPNSuffix = tostring(split(UserId, '@')[1])
  | project
      FirstSeen,
      UserId,
      ClientIp,
      UserAgent,
      InstanceUrl,
      CloudAppId,
      AccountName,
      UPNSuffix
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: AccountName
  - identifier: UPNSuffix
    columnName: UPNSuffix
  entityType: Account
- fieldMappings:
  - identifier: AppId
    columnName: CloudAppId
  - identifier: InstanceName
    columnName: InstanceUrl
  entityType: CloudApplication
- fieldMappings:
  - identifier: Address
    columnName: ClientIp
  entityType: IP
kind: Scheduled
triggerOperator: gt
name: Dataverse - Login by a sensitive privileged user
version: 3.2.0
status: Available
requiredDataConnectors:
- dataTypes:
  - DataverseActivity
  connectorId: Dataverse
description: Identifies Dataverse and Dynamics 365 logons by sensitive users.
relevantTechniques:
- T1133
- T1190
- T1078
- T1212
queryPeriod: 14d
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft%20Business%20Applications/Analytic%20Rules/Dataverse%20-%20Login%20by%20a%20sensitive%20privileged%20user.yaml
triggerThreshold: 0
eventGroupingSettings:
  aggregationKind: SingleAlert
alertDetailsOverride:
  alertDisplayNameFormat: 'Dataverse - Sensitive user logged in in at {{InstanceUrl}} '
  alertDescriptionFormat: A user marked as sensitive for Dataverse in the VIPUsers watchlist signed in at {{InstanceUrl}}.

{
  "$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/f327816b-9328-4b17-9290-a02adc2f4928')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/f327816b-9328-4b17-9290-a02adc2f4928')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "A user marked as sensitive for Dataverse in the VIPUsers watchlist signed in at {{InstanceUrl}}.",
          "alertDisplayNameFormat": "Dataverse - Sensitive user logged in in at {{InstanceUrl}} "
        },
        "alertRuleTemplateName": "f327816b-9328-4b17-9290-a02adc2f4928",
        "customDetails": null,
        "description": "Identifies Dataverse and Dynamics 365 logons by sensitive users.",
        "displayName": "Dataverse - Login by a sensitive privileged user",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountName",
                "identifier": "Name"
              },
              {
                "columnName": "UPNSuffix",
                "identifier": "UPNSuffix"
              }
            ]
          },
          {
            "entityType": "CloudApplication",
            "fieldMappings": [
              {
                "columnName": "CloudAppId",
                "identifier": "AppId"
              },
              {
                "columnName": "InstanceUrl",
                "identifier": "InstanceName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "ClientIp",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft%20Business%20Applications/Analytic%20Rules/Dataverse%20-%20Login%20by%20a%20sensitive%20privileged%20user.yaml",
        "query": "# Sensitive users are marked in the VIP Users watchlist using the Tags field.\n# Enter the tags values to monitor\nlet monitored_tags = dynamic([\"DataverseSensitive\"]);\nlet query_frequency = 1h;\nlet sensitive_users = MSBizAppsVIPUsers()\n    | where Tags in (monitored_tags);\nsensitive_users\n| join kind=inner (DataverseActivity\n    | where TimeGenerated >= ago(query_frequency)\n    | where Message == \"UserSignIn\")\n    on $left.UserPrincipalName == $right.UserId\n| summarize FirstSeen = arg_max(TimeGenerated, *) by UserId\n| extend\n    CloudAppId = int(32780),\n    AccountName = tostring(split(UserId, '@')[0]),\n    UPNSuffix = tostring(split(UserId, '@')[1])\n| project\n    FirstSeen,\n    UserId,\n    ClientIp,\n    UserAgent,\n    InstanceUrl,\n    CloudAppId,\n    AccountName,\n    UPNSuffix\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P14D",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess",
          "InitialAccess",
          "PrivilegeEscalation"
        ],
        "techniques": [
          "T1078",
          "T1133",
          "T1190",
          "T1212"
        ],
        "templateVersion": "3.2.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}