Changes to PIM Settings
Id | 0ed0fe7c-af29-4990-af7f-bb5ccb231198 |
Rulename | Changes to PIM Settings |
Description | PIM provides a key mechanism for assigning privileges to accounts, this query detects changes to PIM role settings. Monitor these changes to ensure they are being made legitimately and don’t confer more privileges than expected or reduce the security of a PIM elevation. Ref: https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-privileged-accounts#changes-to-privileged-accounts |
Severity | High |
Tactics | PrivilegeEscalation |
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/Detections/AuditLogs/ChangestoPIMSettings.yaml |
Version | 1.1.1 |
Arm template | 0ed0fe7c-af29-4990-af7f-bb5ccb231198.json |
AuditLogs
| where Category =~ "RoleManagement"
| where OperationName =~ "Update role setting in PIM"
| extend InitiatingUserPrincipalName = tostring(InitiatedBy.user.userPrincipalName)
| extend InitiatingAadUserId = tostring(InitiatedBy.user.id)
| extend InitiatingIPAddress = tostring(InitiatedBy.user.ipAddress)
| extend InitiatingAccountName = tostring(split(InitiatingUserPrincipalName, "@")[0]), InitiatingAccountUPNSuffix = tostring(split(InitiatingUserPrincipalName, "@")[1])
| project-reorder TimeGenerated, OperationName, ResultReason, InitiatingUserPrincipalName, InitiatingAadUserId, InitiatingIPAddress, InitiatingAccountName, InitiatingAccountUPNSuffix
id: 0ed0fe7c-af29-4990-af7f-bb5ccb231198
tags:
- AADSecOpsGuide
description: |
'PIM provides a key mechanism for assigning privileges to accounts, this query detects changes to PIM role settings.
Monitor these changes to ensure they are being made legitimately and don't confer more privileges than expected or reduce the security of a PIM elevation.
Ref: https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-privileged-accounts#changes-to-privileged-accounts'
metadata:
support:
tier: Community
author:
name: Microsoft Security Research
categories:
domains:
- Security - Others
- Identity
source:
kind: Community
name: Changes to PIM Settings
query: |
AuditLogs
| where Category =~ "RoleManagement"
| where OperationName =~ "Update role setting in PIM"
| extend InitiatingUserPrincipalName = tostring(InitiatedBy.user.userPrincipalName)
| extend InitiatingAadUserId = tostring(InitiatedBy.user.id)
| extend InitiatingIPAddress = tostring(InitiatedBy.user.ipAddress)
| extend InitiatingAccountName = tostring(split(InitiatingUserPrincipalName, "@")[0]), InitiatingAccountUPNSuffix = tostring(split(InitiatingUserPrincipalName, "@")[1])
| project-reorder TimeGenerated, OperationName, ResultReason, InitiatingUserPrincipalName, InitiatingAadUserId, InitiatingIPAddress, InitiatingAccountName, InitiatingAccountUPNSuffix
triggerThreshold: 0
tactics:
- PrivilegeEscalation
version: 1.1.1
relevantTechniques:
- T1078.004
queryFrequency: 1d
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/AuditLogs/ChangestoPIMSettings.yaml
entityMappings:
- fieldMappings:
- columnName: InitiatingUserPrincipalName
identifier: FullName
- columnName: InitiatingAccountName
identifier: Name
- columnName: InitiatingAccountUPNSuffix
identifier: UPNSuffix
entityType: Account
- fieldMappings:
- columnName: InitiatingAadUserId
identifier: AadUserId
entityType: Account
- fieldMappings:
- columnName: InitiatingIPAddress
identifier: Address
entityType: IP
triggerOperator: gt
queryPeriod: 1d
kind: Scheduled
severity: High
requiredDataConnectors:
- dataTypes:
- AuditLogs
connectorId: AzureActiveDirectory
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2024-01-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/0ed0fe7c-af29-4990-af7f-bb5ccb231198')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/0ed0fe7c-af29-4990-af7f-bb5ccb231198')]",
"properties": {
"alertRuleTemplateName": "0ed0fe7c-af29-4990-af7f-bb5ccb231198",
"customDetails": null,
"description": "'PIM provides a key mechanism for assigning privileges to accounts, this query detects changes to PIM role settings.\n Monitor these changes to ensure they are being made legitimately and don't confer more privileges than expected or reduce the security of a PIM elevation.\n Ref: https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-privileged-accounts#changes-to-privileged-accounts'\n",
"displayName": "Changes to PIM Settings",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "InitiatingUserPrincipalName",
"identifier": "FullName"
},
{
"columnName": "InitiatingAccountName",
"identifier": "Name"
},
{
"columnName": "InitiatingAccountUPNSuffix",
"identifier": "UPNSuffix"
}
]
},
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "InitiatingAadUserId",
"identifier": "AadUserId"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "InitiatingIPAddress",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Detections/AuditLogs/ChangestoPIMSettings.yaml",
"query": "AuditLogs\n | where Category =~ \"RoleManagement\"\n | where OperationName =~ \"Update role setting in PIM\"\n | extend InitiatingUserPrincipalName = tostring(InitiatedBy.user.userPrincipalName)\n | extend InitiatingAadUserId = tostring(InitiatedBy.user.id)\n | extend InitiatingIPAddress = tostring(InitiatedBy.user.ipAddress)\n | extend InitiatingAccountName = tostring(split(InitiatingUserPrincipalName, \"@\")[0]), InitiatingAccountUPNSuffix = tostring(split(InitiatingUserPrincipalName, \"@\")[1])\n | project-reorder TimeGenerated, OperationName, ResultReason, InitiatingUserPrincipalName, InitiatingAadUserId, InitiatingIPAddress, InitiatingAccountName, InitiatingAccountUPNSuffix\n",
"queryFrequency": "P1D",
"queryPeriod": "P1D",
"severity": "High",
"subTechniques": [
"T1078.004"
],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"PrivilegeEscalation"
],
"tags": [
"AADSecOpsGuide"
],
"techniques": [
"T1078"
],
"templateVersion": "1.1.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}