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])

queryFrequency: 1d
queryPeriod: 1d
tactics:
- Collection
- Exfiltration
version: 1.1.4
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])  
name: Users searching for VIP user activity
triggerOperator: gt
entityMappings:
- fieldMappings:
  - columnName: AccountName
    identifier: Name
  - columnName: AccountUPNSuffix
    identifier: UPNSuffix
  entityType: Account
- fieldMappings:
  - columnName: RequestTarget
    identifier: ResourceId
  entityType: AzureResource
id: f7f4a77e-f68f-4b56-9aaf-a0c9d87d7a8e
requiredDataConnectors: []
severity: Low
metadata:
  author:
    name: Microsoft Security Research
  support:
    tier: Community
  source:
    kind: Community
  categories:
    domains:
    - Security - Others
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.  
kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/LAQueryLogs/UserSearchingForVIPUserActivity.yaml
relevantTechniques:
- T1530
- T1213
- T1020
triggerThreshold: 0

{
  "$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"
    }
  ]
}