End-user consent stopped due to risk-based consent
| Id | 009b9bae-23dd-43c4-bcb9-11c4ba7c784a |
| Rulename | End-user consent stopped due to risk-based consent |
| Description | Detects a user’s consent to an OAuth application being blocked due to it being too risky. These events should be investigated to understand why the user attempted to consent to the applicaiton and what other applicaitons they may have consented to. Ref: https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-applications#end-user-stopped-due-to-risk-based-consent |
| Severity | Medium |
| Tactics | Persistence 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/End-userconsentstoppedduetorisk-basedconsent.yaml |
| Version | 1.1.1 |
| Arm template | 009b9bae-23dd-43c4-bcb9-11c4ba7c784a.json |
AuditLogs
| where OperationName has "Consent to application"
| where Result =~ "failure"
| extend InitiatingUserPrincipalName = tostring(InitiatedBy.user.userPrincipalName)
| extend InitiatingAadUserId = tostring(InitiatedBy.user.id)
| extend InitiatingIPAddress = tostring(InitiatedBy.user.ipAddress)
| extend userAgent = iif(AdditionalDetails[0].key == "User-Agent", tostring(AdditionalDetails[0].value), tostring(AdditionalDetails[1].value))
| where isnotempty(TargetResources)
| extend TargetAppName = tostring(TargetResources[0].displayName)
| extend TargetAppId = tostring(TargetResources[0].id)
| mv-expand TargetResources[0].modifiedProperties
| extend TargetResources_0_modifiedProperties = columnifexists("TargetResources_0_modifiedProperties", '')
| where isnotempty(TargetResources_0_modifiedProperties)
| where TargetResources_0_modifiedProperties.displayName =~ "MethodExecutionResult."
| extend TargetPropertyDisplayName = tostring(TargetResources_0_modifiedProperties.displayName)
| extend FailureReason = tostring(parse_json(tostring(TargetResources_0_modifiedProperties.newValue)))
| where FailureReason contains "Risky"
| extend InitiatingAccountName = tostring(split(InitiatingUserPrincipalName, "@")[0]), InitiatingAccountUPNSuffix = tostring(split(InitiatingUserPrincipalName, "@")[1])
| project-reorder TimeGenerated, OperationName, Result, TargetAppName, TargetAppId, FailureReason, InitiatingUserPrincipalName, InitiatingAadUserId, InitiatingIPAddress, userAgent
relevantTechniques:
- T1078.004
queryPeriod: 1d
tactics:
- Persistence
- 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
- fieldMappings:
- identifier: AppId
columnName: TargetAppId
- identifier: Name
columnName: TargetAppName
entityType: CloudApplication
name: End-user consent stopped due to risk-based consent
tags:
- AADSecOpsGuide
query: |
AuditLogs
| where OperationName has "Consent to application"
| where Result =~ "failure"
| extend InitiatingUserPrincipalName = tostring(InitiatedBy.user.userPrincipalName)
| extend InitiatingAadUserId = tostring(InitiatedBy.user.id)
| extend InitiatingIPAddress = tostring(InitiatedBy.user.ipAddress)
| extend userAgent = iif(AdditionalDetails[0].key == "User-Agent", tostring(AdditionalDetails[0].value), tostring(AdditionalDetails[1].value))
| where isnotempty(TargetResources)
| extend TargetAppName = tostring(TargetResources[0].displayName)
| extend TargetAppId = tostring(TargetResources[0].id)
| mv-expand TargetResources[0].modifiedProperties
| extend TargetResources_0_modifiedProperties = columnifexists("TargetResources_0_modifiedProperties", '')
| where isnotempty(TargetResources_0_modifiedProperties)
| where TargetResources_0_modifiedProperties.displayName =~ "MethodExecutionResult."
| extend TargetPropertyDisplayName = tostring(TargetResources_0_modifiedProperties.displayName)
| extend FailureReason = tostring(parse_json(tostring(TargetResources_0_modifiedProperties.newValue)))
| where FailureReason contains "Risky"
| extend InitiatingAccountName = tostring(split(InitiatingUserPrincipalName, "@")[0]), InitiatingAccountUPNSuffix = tostring(split(InitiatingUserPrincipalName, "@")[1])
| project-reorder TimeGenerated, OperationName, Result, TargetAppName, TargetAppId, FailureReason, InitiatingUserPrincipalName, InitiatingAadUserId, InitiatingIPAddress, userAgent
queryFrequency: 1d
id: 009b9bae-23dd-43c4-bcb9-11c4ba7c784a
severity: Medium
description: |
'Detects a user's consent to an OAuth application being blocked due to it being too risky.
These events should be investigated to understand why the user attempted to consent to the applicaiton and what other applicaitons they may have consented to.
Ref: https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-applications#end-user-stopped-due-to-risk-based-consent'
metadata:
source:
kind: Community
categories:
domains:
- Security - Others
support:
tier: Community
author:
name: Microsoft Security Research
version: 1.1.1
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/AuditLogs/End-userconsentstoppedduetorisk-basedconsent.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/009b9bae-23dd-43c4-bcb9-11c4ba7c784a')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/009b9bae-23dd-43c4-bcb9-11c4ba7c784a')]",
"properties": {
"alertRuleTemplateName": "009b9bae-23dd-43c4-bcb9-11c4ba7c784a",
"customDetails": null,
"description": "'Detects a user's consent to an OAuth application being blocked due to it being too risky.\n These events should be investigated to understand why the user attempted to consent to the applicaiton and what other applicaitons they may have consented to.\n Ref: https://docs.microsoft.com/azure/active-directory/fundamentals/security-operations-applications#end-user-stopped-due-to-risk-based-consent'\n",
"displayName": "End-user consent stopped due to risk-based consent",
"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"
}
]
},
{
"entityType": "CloudApplication",
"fieldMappings": [
{
"columnName": "TargetAppId",
"identifier": "AppId"
},
{
"columnName": "TargetAppName",
"identifier": "Name"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Detections/AuditLogs/End-userconsentstoppedduetorisk-basedconsent.yaml",
"query": "AuditLogs\n | where OperationName has \"Consent to application\"\n | where Result =~ \"failure\"\n | extend InitiatingUserPrincipalName = tostring(InitiatedBy.user.userPrincipalName)\n | extend InitiatingAadUserId = tostring(InitiatedBy.user.id)\n | extend InitiatingIPAddress = tostring(InitiatedBy.user.ipAddress)\n | extend userAgent = iif(AdditionalDetails[0].key == \"User-Agent\", tostring(AdditionalDetails[0].value), tostring(AdditionalDetails[1].value))\n | where isnotempty(TargetResources)\n | extend TargetAppName = tostring(TargetResources[0].displayName)\n | extend TargetAppId = tostring(TargetResources[0].id)\n | mv-expand TargetResources[0].modifiedProperties\n | extend TargetResources_0_modifiedProperties = columnifexists(\"TargetResources_0_modifiedProperties\", '')\n | where isnotempty(TargetResources_0_modifiedProperties)\n | where TargetResources_0_modifiedProperties.displayName =~ \"MethodExecutionResult.\"\n | extend TargetPropertyDisplayName = tostring(TargetResources_0_modifiedProperties.displayName)\n | extend FailureReason = tostring(parse_json(tostring(TargetResources_0_modifiedProperties.newValue)))\n | where FailureReason contains \"Risky\"\n | extend InitiatingAccountName = tostring(split(InitiatingUserPrincipalName, \"@\")[0]), InitiatingAccountUPNSuffix = tostring(split(InitiatingUserPrincipalName, \"@\")[1])\n | project-reorder TimeGenerated, OperationName, Result, TargetAppName, TargetAppId, FailureReason, InitiatingUserPrincipalName, InitiatingAadUserId, InitiatingIPAddress, userAgent\n",
"queryFrequency": "P1D",
"queryPeriod": "P1D",
"severity": "Medium",
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Persistence",
"PrivilegeEscalation"
],
"tags": [
"AADSecOpsGuide"
],
"techniques": [
"T1078"
],
"templateVersion": "1.1.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}