let threshold = 5;
GCP_IAM
| where PayloadMethodname =~ 'google.iam.admin.v1.ListRoles'
| summarize count() by PayloadAuthenticationinfoPrincipalemail, bin(TimeGenerated, 1h)
| where count_ > threshold
| extend AccountCustomEntity = PayloadAuthenticationinfoPrincipalemail
id: 52d88912-fa8b-4db2-b247-ee9225e41e8f
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GoogleCloudPlatformIAM/Analytic Rules/GCPIAMPrivilegesEnumeration.yaml
requiredDataConnectors:
- dataTypes:
- GCP_IAM
connectorId: GCPIAMDataConnector
description: |
'Detects possible privileges enumeration.'
severity: Low
queryPeriod: 12h
kind: Scheduled
tactics:
- Discovery
queryFrequency: 12h
query: |
let threshold = 5;
GCP_IAM
| where PayloadMethodname =~ 'google.iam.admin.v1.ListRoles'
| summarize count() by PayloadAuthenticationinfoPrincipalemail, bin(TimeGenerated, 1h)
| where count_ > threshold
| extend AccountCustomEntity = PayloadAuthenticationinfoPrincipalemail
version: 1.0.0
triggerThreshold: 0
name: GCP IAM - Privileges Enumeration
entityMappings:
- entityType: Account
fieldMappings:
- columnName: AccountCustomEntity
identifier: FullName
status: Available
relevantTechniques:
- T1069
{
"$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/52d88912-fa8b-4db2-b247-ee9225e41e8f')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/52d88912-fa8b-4db2-b247-ee9225e41e8f')]",
"properties": {
"alertRuleTemplateName": "52d88912-fa8b-4db2-b247-ee9225e41e8f",
"customDetails": null,
"description": "'Detects possible privileges enumeration.'\n",
"displayName": "GCP IAM - Privileges Enumeration",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountCustomEntity",
"identifier": "FullName"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GoogleCloudPlatformIAM/Analytic Rules/GCPIAMPrivilegesEnumeration.yaml",
"query": "let threshold = 5;\nGCP_IAM\n| where PayloadMethodname =~ 'google.iam.admin.v1.ListRoles'\n| summarize count() by PayloadAuthenticationinfoPrincipalemail, bin(TimeGenerated, 1h)\n| where count_ > threshold\n| extend AccountCustomEntity = PayloadAuthenticationinfoPrincipalemail\n",
"queryFrequency": "PT12H",
"queryPeriod": "PT12H",
"severity": "Low",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Discovery"
],
"techniques": [
"T1069"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}