Merge pull request #11766 from mgstate/master

Create Machine_Learning_Creation.yaml

Author: v-atulyadav

Solutions/Azure Activity/Analytic Rules/Machine_Learning_Creation.yaml

@@ -0,0 +1,53 @@
+id: 68c89998-8052-4c80-a1f6-9d81060b6d57
+name: Azure Machine Learning Write Operations
+description: |
+  'Shows the most prevalent users who perform write operations on Azure Machine Learning resources. List the common source IP address for each of those accounts. If an operation is not from those IP addresses, it may be worthy of investigation.'
+severity: Low
+status: Available
+requiredDataConnectors:
+  - connectorId: AzureActivity
+    dataTypes:
+      - AzureActivity
+tactics:
+  - InitialAccess
+  - Execution
+  - Impact
+relevantTechniques:
+  - T1078
+  - T1059
+  - T1496
+queryFrequency: 1d  # Added queryFrequency property
+queryPeriod: 1d
+triggerOperator: gt
+triggerThreshold: 0
+query: |
+  AzureActivity
+  | where ResourceProviderValue == "MICROSOFT.MACHINELEARNINGSERVICES"  // Filter activities related to Microsoft Machine Learning Services
+  | extend SCOPE = tostring(parse_json(Authorization).scope)  // Parse Authorization scope as string
+  | extend subname = split(Hierarchy, "/")  // Split Hierarchy to extract Subscription Name and ID
+  | extend ['Subscription Name'] = subname[-2], ['Subscription ID'] = subname[-1]  // Extract Subscription Name and ID
+  | extend Properties = parse_json(Properties)  // Parse Properties as JSON
+  | extend Properties_entity = tostring(Properties.entity)  // Cast Properties.entity to string
+  | where isnotempty(Properties_entity)  // Filter activities where Properties.entity is not empty
+  // | where Properties_entity contains "deepseek"  // Filter activities where Properties.entity contains "deepseek"
+  | where OperationNameValue contains "write"  // Filter activities where OperationNameValue contains "write"
+  | where OperationNameValue !contains "MICROSOFT.AUTHORIZATION/ROLEASSIGNMENTS/WRITE"  // Exclude role assignments
+  | extend LLM = tostring(split(Properties_entity, "/")[-1])  // Extract the last segment of Properties_entity and cast it to string
+  | distinct TimeGenerated, tostring(['Subscription Name']), ResourceGroup, tostring(['Subscription ID']), Caller, CallerIpAddress, OperationNameValue, LLM, _ResourceId  // Select distinct relevant fields for output
+eventGroupingSettings:
+  aggregationKind: SingleAlert
+entityMappings:
+  - entityType: Account
+    fieldMappings:
+      - identifier: Name
+        columnName: Caller
+  - entityType: IP
+    fieldMappings:
+      - identifier: Address
+        columnName: CallerIpAddress
+  - entityType: AzureResource
+    fieldMappings:
+      - identifier: ResourceId
+        columnName: _ResourceId  
+version: 1.0.0
+kind: Scheduled

Solutions/Azure Activity/Data/Solution_AzureActivity.json

@@ -36,7 +36,8 @@
     "Analytic Rules/NewResourceGroupsDeployedTo.yaml",
     "Analytic Rules/RareOperations.yaml",
     "Analytic Rules/TimeSeriesAnomaly_Mass_Cloud_Resource_Deletions.yaml",
-	"Analytic Rules/SubscriptionMigration.yaml"
+	"Analytic Rules/SubscriptionMigration.yaml",
+	"Analytic Rules/Machine_Learning_Creation.yaml"
 
   ],
   "Workbooks": [

Solutions/Azure Activity/Package/3.0.3.zip

@@ -6,7 +6,7 @@
     "config": {
       "isWizard": false,
       "basics": {
-        "description": "<img src=\"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Workbooks/Images/Logos/azureactivity_logo.svg\" width=\"75px\" height=\"75px\">\n\n**Note:** Please refer to the following before installing the solution: \n\n• Review the solution [Release Notes](https://github.com/Azure/Azure-Sentinel/tree/master/Solutions/Azure%20Activity/ReleaseNotes.md)\n\n • There may be [known issues](https://aka.ms/sentinelsolutionsknownissues) pertaining to this Solution, please refer to them before installing.\n\nThe [Azure Activity](https://docs.microsoft.com/azure/azure-monitor/essentials/activity-log) solution for Microsoft Sentinel enables you to ingest Azure Activity Administrative, Security, Service Health, Alert, Recommendation, Policy, Autoscale and Resource Health [logs](https://docs.microsoft.com/azure/azure-monitor/reference/tables/azureactivity) using Diagnostic Settings into Microsoft Sentinel.\n\n**Data Connectors:** 1, **Workbooks:** 2, **Analytic Rules:** 13, **Hunting Queries:** 15\n\n[Learn more about Microsoft Sentinel](https://aka.ms/azuresentinel) | [Learn more about Solutions](https://aka.ms/azuresentinelsolutionsdoc)",
+        "description": "<img src=\"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Workbooks/Images/Logos/azureactivity_logo.svg\" width=\"75px\" height=\"75px\">\n\n**Note:** Please refer to the following before installing the solution: \n\n• Review the solution [Release Notes](https://github.com/Azure/Azure-Sentinel/tree/master/Solutions/Azure%20Activity/ReleaseNotes.md)\n\n • There may be [known issues](https://aka.ms/sentinelsolutionsknownissues) pertaining to this Solution, please refer to them before installing.\n\nThe [Azure Activity](https://docs.microsoft.com/azure/azure-monitor/essentials/activity-log) solution for Microsoft Sentinel enables you to ingest Azure Activity Administrative, Security, Service Health, Alert, Recommendation, Policy, Autoscale and Resource Health [logs](https://docs.microsoft.com/azure/azure-monitor/reference/tables/azureactivity) using Diagnostic Settings into Microsoft Sentinel.\n\n**Data Connectors:** 1, **Workbooks:** 2, **Analytic Rules:** 14, **Hunting Queries:** 15\n\n[Learn more about Microsoft Sentinel](https://aka.ms/azuresentinel) | [Learn more about Solutions](https://aka.ms/azuresentinelsolutionsdoc)",
         "subscription": {
           "resourceProviders": [
             "Microsoft.OperationsManagement/solutions",
@@ -338,6 +338,20 @@
                 }
               }
             ]
+          },
+          {
+            "name": "analytic14",
+            "type": "Microsoft.Common.Section",
+            "label": "Azure Machine Learning Write Operations",
+            "elements": [
+              {
+                "name": "analytic14-text",
+                "type": "Microsoft.Common.TextBlock",
+                "options": {
+                  "text": "Shows the most prevalent users who perform write operations on Azure Machine Learning resources. List the common source IP address for each of those accounts. If an operation is not from those IP addresses, it may be worthy of investigation."
+                }
+              }
+            ]
           }
         ]
       },