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
relevantTechniques:
- T1078.004
queryPeriod: 1d
tactics:
- PrivilegeEscalation
requiredDataConnectors:
- dataTypes:
- AuditLogs
connectorId: AzureActiveDirectory
triggerThreshold: 0
entityMappings:
- fieldMappings:
- identifier: FullName
columnName: InitiatingUserPrincipalName
- identifier: Name
columnName: InitiatingAccountName
- identifier: UPNSuffix
columnName: InitiatingAccountUPNSuffix
entityType: Account
- fieldMappings:
- identifier: AadUserId
columnName: InitiatingAadUserId
entityType: Account
- fieldMappings:
- identifier: Address
columnName: InitiatingIPAddress
entityType: IP
name: Changes to PIM Settings
tags:
- AADSecOpsGuide
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
queryFrequency: 1d
id: 0ed0fe7c-af29-4990-af7f-bb5ccb231198
severity: High
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:
source:
kind: Community
categories:
domains:
- Security - Others
- Identity
support:
tier: Community
author:
name: Microsoft Security Research
version: 1.1.1
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/AuditLogs/ChangestoPIMSettings.yaml
kind: Scheduled
triggerOperator: gt
{
"$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/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",
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"PrivilegeEscalation"
],
"tags": [
"AADSecOpsGuide"
],
"techniques": [
"T1078"
],
"templateVersion": "1.1.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}