New Dynamics 365 Admin Activity

let baseline_time = 14d;
let detection_time = 1h;
Dynamics365Activity
| where TimeGenerated between(ago(baseline_time)..ago(detection_time))
| where UserType =~ 'admin'
| extend Message = tostring(split(OriginalObjectId, ' ')[0])
| summarize by UserId
| join kind=rightanti
(Dynamics365Activity
| where TimeGenerated > ago(detection_time)
| where UserType =~ 'admin')
on UserId
| summarize Actions = make_set(Message), MostRecentAction = max(TimeGenerated), IPs=make_set(ClientIP), UserAgents = make_set(UserAgent) by UserId
| extend timestamp = MostRecentAction, AccountCustomEntity = UserId

name: New Dynamics 365 Admin Activity
query: |
  let baseline_time = 14d;
  let detection_time = 1h;
  Dynamics365Activity
  | where TimeGenerated between(ago(baseline_time)..ago(detection_time))
  | where UserType =~ 'admin'
  | extend Message = tostring(split(OriginalObjectId, ' ')[0])
  | summarize by UserId
  | join kind=rightanti
  (Dynamics365Activity
  | where TimeGenerated > ago(detection_time)
  | where UserType =~ 'admin')
  on UserId
  | summarize Actions = make_set(Message), MostRecentAction = max(TimeGenerated), IPs=make_set(ClientIP), UserAgents = make_set(UserAgent) by UserId
  | extend timestamp = MostRecentAction, AccountCustomEntity = UserId  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/Dynamics365Activity/NewDynamicsAdminActivity.yaml
queryFrequency: 1d
triggerThreshold: 0
requiredDataConnectors:
- dataTypes:
  - Dynamics365Activity
  connectorId: Dynamics365
version: 1.0.1
status: Available
queryPeriod: 14d
id: e147e4dc-849c-49e9-9e8b-db4581951ff4
triggerOperator: gt
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
  entityType: Account
metadata:
  source:
    kind: Community
  author:
    name: Microsoft
  categories:
    domains:
    - Cloud Provider
    - IT Operations
    - Storage
  support:
    tier: Microsoft
relevantTechniques:
- T1078
severity: Low
description: |
    'Detects users conducting administrative activity in Dynamics 365 where they have not had admin rights before.'
kind: Scheduled
tactics:
- InitialAccess

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/e147e4dc-849c-49e9-9e8b-db4581951ff4')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/e147e4dc-849c-49e9-9e8b-db4581951ff4')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01",
      "properties": {
        "displayName": "New Dynamics 365 Admin Activity",
        "description": "'Detects users conducting administrative activity in Dynamics 365 where they have not had admin rights before.'\n",
        "severity": "Low",
        "enabled": true,
        "query": "let baseline_time = 14d;\nlet detection_time = 1h;\nDynamics365Activity\n| where TimeGenerated between(ago(baseline_time)..ago(detection_time))\n| where UserType =~ 'admin'\n| extend Message = tostring(split(OriginalObjectId, ' ')[0])\n| summarize by UserId\n| join kind=rightanti\n(Dynamics365Activity\n| where TimeGenerated > ago(detection_time)\n| where UserType =~ 'admin')\non UserId\n| summarize Actions = make_set(Message), MostRecentAction = max(TimeGenerated), IPs=make_set(ClientIP), UserAgents = make_set(UserAgent) by UserId\n| extend timestamp = MostRecentAction, AccountCustomEntity = UserId\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P14D",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1078"
        ],
        "alertRuleTemplateName": "e147e4dc-849c-49e9-9e8b-db4581951ff4",
        "customDetails": null,
        "entityMappings": [
          {
            "fieldMappings": [
              {
                "identifier": "FullName",
                "columnName": "AccountCustomEntity"
              }
            ],
            "entityType": "Account"
          }
        ],
        "status": "Available",
        "templateVersion": "1.0.1",
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Detections/Dynamics365Activity/NewDynamicsAdminActivity.yaml"
      }
    }
  ]
}