Users searching for VIP user activity

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