Users searching for VIP user activity

// Replace these with the username or emails of your VIP users you wish to monitor for.
let vips = dynamic(['vip1@email.com','vip2@email.com']);
// Add users who are allowed to conduct these searches - this could be specific SOC team members
let allowed_users = dynamic([]);
LAQueryLogs
| where QueryText has_any (vips) or QueryText has_any ('_GetWatchlist("VIPUsers")', "_GetWatchlist('VIPUsers')")
| where AADEmail !in (allowed_users)
| project TimeGenerated, AADEmail, RequestClientApp, QueryText, ResponseRowCount, RequestTarget
| extend timestamp = TimeGenerated, AccountName = tostring(split(AADEmail, "@")[0]), AccountUPNSuffix = tostring(split(AADEmail, "@")[1])

requiredDataConnectors: []
triggerThreshold: 0
relevantTechniques:
- T1530
- T1213
- T1020
queryPeriod: 1d
version: 1.1.4
id: f7f4a77e-f68f-4b56-9aaf-a0c9d87d7a8e
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/LAQueryLogs/UserSearchingForVIPUserActivity.yaml
query: |
  // Replace these with the username or emails of your VIP users you wish to monitor for.
  let vips = dynamic(['vip1@email.com','vip2@email.com']);
  // Add users who are allowed to conduct these searches - this could be specific SOC team members
  let allowed_users = dynamic([]);
  LAQueryLogs
  | where QueryText has_any (vips) or QueryText has_any ('_GetWatchlist("VIPUsers")', "_GetWatchlist('VIPUsers')")
  | where AADEmail !in (allowed_users)
  | project TimeGenerated, AADEmail, RequestClientApp, QueryText, ResponseRowCount, RequestTarget
  | extend timestamp = TimeGenerated, AccountName = tostring(split(AADEmail, "@")[0]), AccountUPNSuffix = tostring(split(AADEmail, "@")[1])  
metadata:
  support:
    tier: Community
  source:
    kind: Community
  categories:
    domains:
    - Security - Others
  author:
    name: Microsoft Security Research
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: AccountName
  - identifier: UPNSuffix
    columnName: AccountUPNSuffix
  entityType: Account
- fieldMappings:
  - identifier: ResourceId
    columnName: RequestTarget
  entityType: AzureResource
tactics:
- Collection
- Exfiltration
severity: Low
name: Users searching for VIP user activity
queryFrequency: 1d
triggerOperator: gt
kind: Scheduled
description: |
  This query monitors for users running Log Analytics queries that contain filters for specific, defined VIP user accounts or the VIPUser watchlist template.
  Use this detection to alert for users specifically searching for activity of sensitive users.  

{
  "$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/f7f4a77e-f68f-4b56-9aaf-a0c9d87d7a8e')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/f7f4a77e-f68f-4b56-9aaf-a0c9d87d7a8e')]",
      "properties": {
        "alertRuleTemplateName": "f7f4a77e-f68f-4b56-9aaf-a0c9d87d7a8e",
        "customDetails": null,
        "description": "This query monitors for users running Log Analytics queries that contain filters for specific, defined VIP user accounts or the VIPUser watchlist template.\nUse this detection to alert for users specifically searching for activity of sensitive users.\n",
        "displayName": "Users searching for VIP user activity",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountName",
                "identifier": "Name"
              },
              {
                "columnName": "AccountUPNSuffix",
                "identifier": "UPNSuffix"
              }
            ]
          },
          {
            "entityType": "AzureResource",
            "fieldMappings": [
              {
                "columnName": "RequestTarget",
                "identifier": "ResourceId"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Detections/LAQueryLogs/UserSearchingForVIPUserActivity.yaml",
        "query": "// Replace these with the username or emails of your VIP users you wish to monitor for.\nlet vips = dynamic(['vip1@email.com','vip2@email.com']);\n// Add users who are allowed to conduct these searches - this could be specific SOC team members\nlet allowed_users = dynamic([]);\nLAQueryLogs\n| where QueryText has_any (vips) or QueryText has_any ('_GetWatchlist(\"VIPUsers\")', \"_GetWatchlist('VIPUsers')\")\n| where AADEmail !in (allowed_users)\n| project TimeGenerated, AADEmail, RequestClientApp, QueryText, ResponseRowCount, RequestTarget\n| extend timestamp = TimeGenerated, AccountName = tostring(split(AADEmail, \"@\")[0]), AccountUPNSuffix = tostring(split(AADEmail, \"@\")[1])\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "Low",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Collection",
          "Exfiltration"
        ],
        "techniques": [
          "T1020",
          "T1213",
          "T1530"
        ],
        "templateVersion": "1.1.4",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}