Jira - New site admin user

let priv_users = JiraAudit
| where TimeGenerated > ago(14d)
| where EventMessage =~ 'User added to group'
| where ObjectItemName =~ 'site-admins'
| extend user = todynamic(AssociatedItems)[0]['name']
| summarize makeset(user);
JiraAudit
| where EventMessage =~ "User's password changed"
| extend user = todynamic(AssociatedItems)[0]['name']
| where user in (priv_users)
| extend AccountCustomEntity = user

description: |
    'Detects new site admin user.'
status: Available
queryPeriod: 14d
severity: High
triggerOperator: gt
kind: Scheduled
triggerThreshold: 0
relevantTechniques:
- T1078
version: 1.0.1
name: Jira - New site admin user
queryFrequency: 1h
id: 6bf42891-b54d-4b4e-8533-babc5b3ea4c5
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AtlassianJiraAudit/Analytic Rules/JiraPrivilegedUserPasswordChanged.yaml
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
tactics:
- InitialAccess
requiredDataConnectors:
- dataTypes:
  - JiraAudit
  connectorId: JiraAuditAPI
query: |
  let priv_users = JiraAudit
  | where TimeGenerated > ago(14d)
  | where EventMessage =~ 'User added to group'
  | where ObjectItemName =~ 'site-admins'
  | extend user = todynamic(AssociatedItems)[0]['name']
  | summarize makeset(user);
  JiraAudit
  | where EventMessage =~ "User's password changed"
  | extend user = todynamic(AssociatedItems)[0]['name']
  | where user in (priv_users)
  | extend AccountCustomEntity = user  

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/6bf42891-b54d-4b4e-8533-babc5b3ea4c5')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/6bf42891-b54d-4b4e-8533-babc5b3ea4c5')]",
      "properties": {
        "alertRuleTemplateName": "6bf42891-b54d-4b4e-8533-babc5b3ea4c5",
        "customDetails": null,
        "description": "'Detects new site admin user.'\n",
        "displayName": "Jira - New site admin user",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AtlassianJiraAudit/Analytic Rules/JiraPrivilegedUserPasswordChanged.yaml",
        "query": "let priv_users = JiraAudit\n| where TimeGenerated > ago(14d)\n| where EventMessage =~ 'User added to group'\n| where ObjectItemName =~ 'site-admins'\n| extend user = todynamic(AssociatedItems)[0]['name']\n| summarize makeset(user);\nJiraAudit\n| where EventMessage =~ \"User's password changed\"\n| extend user = todynamic(AssociatedItems)[0]['name']\n| where user in (priv_users)\n| extend AccountCustomEntity = user\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P14D",
        "severity": "High",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1078"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}