NRT PIM Elevation Request Rejected
Id | 5db427b2-f406-4274-b413-e9fcb29412f8 |
Rulename | NRT PIM Elevation Request Rejected |
Description | Identifies when a user is rejected for a privileged role elevation via PIM. Monitor rejections for indicators of attacker compromise of the requesting account. Ref : https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-privileged-identity-management |
Severity | High |
Tactics | Persistence |
Techniques | T1078.004 |
Required data connectors | AzureActiveDirectory |
Kind | NRT |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Azure Active Directory/Analytic Rules/NRT_PIMElevationRequestRejected.yaml |
Version | 1.0.0 |
Arm template | 5db427b2-f406-4274-b413-e9fcb29412f8.json |
AuditLogs
| where ActivityDisplayName =~'Add member to role completed (PIM activation)'
| where Result == "failure"
| extend Role = tostring(TargetResources[3].displayName)
| extend User = tostring(TargetResources[2].displayName)
| project-reorder TimeGenerated, User, Role, OperationName, Result, ResultDescription
| extend InitiatingUser = tostring(parse_json(tostring(InitiatedBy.user)).userPrincipalName)
| extend IPCustomEntity = tostring(parse_json(tostring(InitiatedBy.user)).ipAddress)
version: 1.0.0
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Azure Active Directory/Analytic Rules/NRT_PIMElevationRequestRejected.yaml
requiredDataConnectors:
- connectorId: AzureActiveDirectory
dataTypes:
- AuditLogs
entityMappings:
- fieldMappings:
- columnName: InitiatingUser
identifier: FullName
entityType: Account
- fieldMappings:
- columnName: User
identifier: FullName
entityType: Account
- fieldMappings:
- columnName: IPCustomEntity
identifier: Address
entityType: IP
kind: NRT
id: 5db427b2-f406-4274-b413-e9fcb29412f8
severity: High
query: |
AuditLogs
| where ActivityDisplayName =~'Add member to role completed (PIM activation)'
| where Result == "failure"
| extend Role = tostring(TargetResources[3].displayName)
| extend User = tostring(TargetResources[2].displayName)
| project-reorder TimeGenerated, User, Role, OperationName, Result, ResultDescription
| extend InitiatingUser = tostring(parse_json(tostring(InitiatedBy.user)).userPrincipalName)
| extend IPCustomEntity = tostring(parse_json(tostring(InitiatedBy.user)).ipAddress)
tags:
- AADSecOpsGuide
description: |
'Identifies when a user is rejected for a privileged role elevation via PIM. Monitor rejections for indicators of attacker compromise of the requesting account.
Ref : https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-privileged-identity-management'
name: NRT PIM Elevation Request Rejected
relevantTechniques:
- T1078.004
tactics:
- Persistence
{
"$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/5db427b2-f406-4274-b413-e9fcb29412f8')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/5db427b2-f406-4274-b413-e9fcb29412f8')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Nrt",
"apiVersion": "2022-11-01",
"properties": {
"displayName": "NRT PIM Elevation Request Rejected",
"description": "'Identifies when a user is rejected for a privileged role elevation via PIM. Monitor rejections for indicators of attacker compromise of the requesting account.\nRef : https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-privileged-identity-management'\n",
"severity": "High",
"enabled": true,
"query": "AuditLogs\n| where ActivityDisplayName =~'Add member to role completed (PIM activation)'\n| where Result == \"failure\"\n| extend Role = tostring(TargetResources[3].displayName)\n| extend User = tostring(TargetResources[2].displayName)\n| project-reorder TimeGenerated, User, Role, OperationName, Result, ResultDescription\n| extend InitiatingUser = tostring(parse_json(tostring(InitiatedBy.user)).userPrincipalName)\n| extend IPCustomEntity = tostring(parse_json(tostring(InitiatedBy.user)).ipAddress)\n",
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Persistence"
],
"techniques": [
"T1078.004"
],
"alertRuleTemplateName": "5db427b2-f406-4274-b413-e9fcb29412f8",
"customDetails": null,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"identifier": "FullName",
"columnName": "InitiatingUser"
}
]
},
{
"entityType": "Account",
"fieldMappings": [
{
"identifier": "FullName",
"columnName": "User"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"identifier": "Address",
"columnName": "IPCustomEntity"
}
]
}
],
"templateVersion": "1.0.0",
"status": "Available",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Azure Active Directory/Analytic Rules/NRT_PIMElevationRequestRejected.yaml",
"tags": [
"AADSecOpsGuide"
]
}
}
]
}