Account created or deleted by non-approved user
Id | 6d63efa6-7c25-4bd4-a486-aa6bf50fde8a |
Rulename | Account created or deleted by non-approved user |
Description | Identifies accounts that were created or deleted by a defined list of non-approved user principal names. Add to this list before running the query for accurate results. Ref : https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-user-accounts |
Severity | Medium |
Tactics | InitialAccess |
Techniques | T1078.004 |
Required data connectors | AzureActiveDirectory |
Kind | Scheduled |
Query frequency | 1d |
Query period | 1d |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Azure Active Directory/Analytic Rules/AccountCreatedDeletedByNonApprovedUser.yaml |
Version | 1.0.1 |
Arm template | 6d63efa6-7c25-4bd4-a486-aa6bf50fde8a.json |
// Add non-approved user principal names to the list below to search for their account creation/deletion activity
// ex: dynamic(["UPN1", "upn123"])
let nonapproved_users = dynamic([]);
AuditLogs
| where OperationName == "Add user" or OperationName == "Delete user"
| where Result == "success"
| extend InitiatingUser = tostring(parse_json(tostring(InitiatedBy.user)).userPrincipalName)
| where InitiatingUser has_any (nonapproved_users)
| project-reorder TimeGenerated, ResourceId, OperationName, InitiatingUser, TargetResources
| extend AccountCustomEntity = InitiatingUser, IPCustomEntity = tostring(parse_json(tostring(InitiatedBy.user)).ipAddress)
name: Account created or deleted by non-approved user
query: |
// Add non-approved user principal names to the list below to search for their account creation/deletion activity
// ex: dynamic(["UPN1", "upn123"])
let nonapproved_users = dynamic([]);
AuditLogs
| where OperationName == "Add user" or OperationName == "Delete user"
| where Result == "success"
| extend InitiatingUser = tostring(parse_json(tostring(InitiatedBy.user)).userPrincipalName)
| where InitiatingUser has_any (nonapproved_users)
| project-reorder TimeGenerated, ResourceId, OperationName, InitiatingUser, TargetResources
| extend AccountCustomEntity = InitiatingUser, IPCustomEntity = tostring(parse_json(tostring(InitiatedBy.user)).ipAddress)
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Azure Active Directory/Analytic Rules/AccountCreatedDeletedByNonApprovedUser.yaml
queryFrequency: 1d
triggerThreshold: 0
requiredDataConnectors:
- dataTypes:
- AuditLogs
connectorId: AzureActiveDirectory
version: 1.0.1
status: Available
queryPeriod: 1d
id: 6d63efa6-7c25-4bd4-a486-aa6bf50fde8a
triggerOperator: gt
entityMappings:
- fieldMappings:
- identifier: FullName
columnName: AccountCustomEntity
entityType: Account
- fieldMappings:
- identifier: Address
columnName: IPCustomEntity
entityType: IP
tags:
- AADSecOpsGuide
relevantTechniques:
- T1078.004
severity: Medium
description: |
'Identifies accounts that were created or deleted by a defined list of non-approved user principal names. Add to this list before running the query for accurate results.
Ref : https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-user-accounts'
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/6d63efa6-7c25-4bd4-a486-aa6bf50fde8a')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/6d63efa6-7c25-4bd4-a486-aa6bf50fde8a')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01",
"properties": {
"displayName": "Account created or deleted by non-approved user",
"description": "'Identifies accounts that were created or deleted by a defined list of non-approved user principal names. Add to this list before running the query for accurate results.\nRef : https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-user-accounts'\n",
"severity": "Medium",
"enabled": true,
"query": "// Add non-approved user principal names to the list below to search for their account creation/deletion activity\n// ex: dynamic([\"UPN1\", \"upn123\"])\nlet nonapproved_users = dynamic([]);\nAuditLogs\n| where OperationName == \"Add user\" or OperationName == \"Delete user\"\n| where Result == \"success\"\n| extend InitiatingUser = tostring(parse_json(tostring(InitiatedBy.user)).userPrincipalName)\n| where InitiatingUser has_any (nonapproved_users)\n| project-reorder TimeGenerated, ResourceId, OperationName, InitiatingUser, TargetResources\n| extend AccountCustomEntity = InitiatingUser, IPCustomEntity = tostring(parse_json(tostring(InitiatedBy.user)).ipAddress)\n",
"queryFrequency": "P1D",
"queryPeriod": "P1D",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1078.004"
],
"alertRuleTemplateName": "6d63efa6-7c25-4bd4-a486-aa6bf50fde8a",
"customDetails": null,
"entityMappings": [
{
"fieldMappings": [
{
"identifier": "FullName",
"columnName": "AccountCustomEntity"
}
],
"entityType": "Account"
},
{
"fieldMappings": [
{
"identifier": "Address",
"columnName": "IPCustomEntity"
}
],
"entityType": "IP"
}
],
"tags": [
"AADSecOpsGuide"
],
"status": "Available",
"templateVersion": "1.0.1",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Azure Active Directory/Analytic Rules/AccountCreatedDeletedByNonApprovedUser.yaml"
}
}
]
}