PIM Elevation Request Rejected
Id | 7d7e20f8-3384-4b71-811c-f5e950e8306c |
Rulename | 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 | Scheduled |
Query frequency | 2h |
Query period | 2h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Azure Active Directory/Analytic Rules/PIMElevationRequestRejected.yaml |
Version | 1.0.6 |
Arm template | 7d7e20f8-3384-4b71-811c-f5e950e8306c.json |
AuditLogs
| where (ActivityDisplayName =~'Add member to role completed (PIM activation)' and Result =~ "failure") or ActivityDisplayName =~'Add member to role request denied (PIM activation)'
| mv-apply ResourceItem = TargetResources on
(
where ResourceItem.type =~ "Role"
| extend Role = trim(@'"',tostring(ResourceItem.displayName))
)
| mv-apply ResourceItem = TargetResources on
(
where ResourceItem.type =~ "User"
| extend User = trim(@'"',tostring(ResourceItem.userPrincipalName))
)
| project-reorder TimeGenerated, User, Role, OperationName, Result, ResultDescription
| where isnotempty(InitiatedBy.user)
| extend InitiatingUser = tostring(InitiatedBy.user.userPrincipalName), InitiatingIpAddress = tostring(InitiatedBy.user.ipAddress)
| extend InitiatingName = tostring(split(InitiatingUser,'@',0)[0]), InitiatingUPNSuffix = tostring(split(InitiatingUser,'@',1)[0])
| extend UserName = tostring(split(User,'@',0)[0]), UserUPNSuffix = tostring(split(User,'@',1)[0])
severity: High
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Azure Active Directory/Analytic Rules/PIMElevationRequestRejected.yaml
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'
tags:
- AADSecOpsGuide
triggerOperator: gt
queryPeriod: 2h
requiredDataConnectors:
- dataTypes:
- AuditLogs
connectorId: AzureActiveDirectory
queryFrequency: 2h
triggerThreshold: 0
tactics:
- Persistence
query: |
AuditLogs
| where (ActivityDisplayName =~'Add member to role completed (PIM activation)' and Result =~ "failure") or ActivityDisplayName =~'Add member to role request denied (PIM activation)'
| mv-apply ResourceItem = TargetResources on
(
where ResourceItem.type =~ "Role"
| extend Role = trim(@'"',tostring(ResourceItem.displayName))
)
| mv-apply ResourceItem = TargetResources on
(
where ResourceItem.type =~ "User"
| extend User = trim(@'"',tostring(ResourceItem.userPrincipalName))
)
| project-reorder TimeGenerated, User, Role, OperationName, Result, ResultDescription
| where isnotempty(InitiatedBy.user)
| extend InitiatingUser = tostring(InitiatedBy.user.userPrincipalName), InitiatingIpAddress = tostring(InitiatedBy.user.ipAddress)
| extend InitiatingName = tostring(split(InitiatingUser,'@',0)[0]), InitiatingUPNSuffix = tostring(split(InitiatingUser,'@',1)[0])
| extend UserName = tostring(split(User,'@',0)[0]), UserUPNSuffix = tostring(split(User,'@',1)[0])
status: Available
kind: Scheduled
relevantTechniques:
- T1078.004
version: 1.0.6
id: 7d7e20f8-3384-4b71-811c-f5e950e8306c
entityMappings:
- fieldMappings:
- columnName: InitiatingName
identifier: Name
- columnName: InitiatingUPNSuffix
identifier: UPNSuffix
entityType: Account
- fieldMappings:
- columnName: UserName
identifier: Name
- columnName: UserUPNSuffix
identifier: UPNSuffix
entityType: Account
- fieldMappings:
- columnName: InitiatingIpAddress
identifier: Address
entityType: IP
name: PIM Elevation Request Rejected
{
"$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/7d7e20f8-3384-4b71-811c-f5e950e8306c')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/7d7e20f8-3384-4b71-811c-f5e950e8306c')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01-preview",
"properties": {
"displayName": "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)' and Result =~ \"failure\") or ActivityDisplayName =~'Add member to role request denied (PIM activation)'\n| mv-apply ResourceItem = TargetResources on \n (\n where ResourceItem.type =~ \"Role\"\n | extend Role = trim(@'\"',tostring(ResourceItem.displayName))\n )\n| mv-apply ResourceItem = TargetResources on \n (\n where ResourceItem.type =~ \"User\"\n | extend User = trim(@'\"',tostring(ResourceItem.userPrincipalName))\n )\n| project-reorder TimeGenerated, User, Role, OperationName, Result, ResultDescription\n| where isnotempty(InitiatedBy.user)\n| extend InitiatingUser = tostring(InitiatedBy.user.userPrincipalName), InitiatingIpAddress = tostring(InitiatedBy.user.ipAddress)\n| extend InitiatingName = tostring(split(InitiatingUser,'@',0)[0]), InitiatingUPNSuffix = tostring(split(InitiatingUser,'@',1)[0])\n| extend UserName = tostring(split(User,'@',0)[0]), UserUPNSuffix = tostring(split(User,'@',1)[0])\n",
"queryFrequency": "PT2H",
"queryPeriod": "PT2H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Persistence"
],
"techniques": [
"T1078.004"
],
"alertRuleTemplateName": "7d7e20f8-3384-4b71-811c-f5e950e8306c",
"customDetails": null,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "InitiatingName",
"identifier": "Name"
},
{
"columnName": "InitiatingUPNSuffix",
"identifier": "UPNSuffix"
}
]
},
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "UserName",
"identifier": "Name"
},
{
"columnName": "UserUPNSuffix",
"identifier": "UPNSuffix"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "InitiatingIpAddress",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Azure Active Directory/Analytic Rules/PIMElevationRequestRejected.yaml",
"status": "Available",
"tags": [
"AADSecOpsGuide"
],
"templateVersion": "1.0.6"
}
}
]
}