Flow Logs Alerts for Prancer

union prancer_CL
| where deviceProduct_s == 'azure'
| where parse_json(data_data_snapshots_s)[0].type == 'Microsoft.Network/networkWatchers/flowLogs'
| where data_data_severity_s == 'High' and data_data_result_s == 'failed'
| extend snapshot = parse_json(data_data_snapshots_s)
| mv-expand snapshot 
| extend
    id = tostring(snapshot.id),
    structure = tostring(snapshot.structure),
    reference = tostring(snapshot.reference),
    source = tostring(snapshot.source),
    collection = tostring(snapshot.collection),
    type = tostring(snapshot.type),
    region = tostring(snapshot.region),
    resourceTypes = tostring(snapshot.resourceTypes),
    path = tostring(snapshot.path)

customDetails: 
alertDetailsOverride:
  alertDynamicProperties:
  - alertProperty: RemediationSteps
    value: data_data_remediation_description_s
  alertDescriptionFormat: '{{data_data_description_s}}'
  alertSeverityColumnName: '{{data_data_severity_s}}'
  alertDisplayNameFormat: '{{data_data_message_s}}'
version: 1.0.3
relevantTechniques:
- T1595
description: |
    'High severity flow Log alerts found by Prancer.'
requiredDataConnectors:
- connectorId: PrancerLogData
  dataTypes:
  - prancer_CL
entityMappings:
- fieldMappings:
  - identifier: ResourceId
    columnName: path
  entityType: AzureResource
triggerThreshold: 0
eventGroupingSettings:
  aggregationKind: SingleAlert
id: 59336232-1bbc-4f66-90dd-5ac3708e4405
tactics:
- Reconnaissance
queryPeriod: 5h
query: |
  union prancer_CL
  | where deviceProduct_s == 'azure'
  | where parse_json(data_data_snapshots_s)[0].type == 'Microsoft.Network/networkWatchers/flowLogs'
  | where data_data_severity_s == 'High' and data_data_result_s == 'failed'
  | extend snapshot = parse_json(data_data_snapshots_s)
  | mv-expand snapshot 
  | extend
      id = tostring(snapshot.id),
      structure = tostring(snapshot.structure),
      reference = tostring(snapshot.reference),
      source = tostring(snapshot.source),
      collection = tostring(snapshot.collection),
      type = tostring(snapshot.type),
      region = tostring(snapshot.region),
      resourceTypes = tostring(snapshot.resourceTypes),
      path = tostring(snapshot.path)  
severity: High
name: Flow Logs Alerts for Prancer
kind: Scheduled
queryFrequency: 5h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Prancer PenSuiteAI Integration/Analytic Rules/Flow_Logs_High_Severity.yaml
triggerOperator: gt
status: Available

{
  "$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/59336232-1bbc-4f66-90dd-5ac3708e4405')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/59336232-1bbc-4f66-90dd-5ac3708e4405')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "{{data_data_description_s}}",
          "alertDisplayNameFormat": "{{data_data_message_s}}",
          "alertDynamicProperties": [
            {
              "alertProperty": "RemediationSteps",
              "value": "data_data_remediation_description_s"
            }
          ],
          "alertSeverityColumnName": "{{data_data_severity_s}}"
        },
        "alertRuleTemplateName": "59336232-1bbc-4f66-90dd-5ac3708e4405",
        "customDetails": null,
        "description": "'High severity flow Log alerts found by Prancer.'\n",
        "displayName": "Flow Logs Alerts for Prancer",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "AzureResource",
            "fieldMappings": [
              {
                "columnName": "path",
                "identifier": "ResourceId"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Prancer PenSuiteAI Integration/Analytic Rules/Flow_Logs_High_Severity.yaml",
        "query": "union prancer_CL\n| where deviceProduct_s == 'azure'\n| where parse_json(data_data_snapshots_s)[0].type == 'Microsoft.Network/networkWatchers/flowLogs'\n| where data_data_severity_s == 'High' and data_data_result_s == 'failed'\n| extend snapshot = parse_json(data_data_snapshots_s)\n| mv-expand snapshot \n| extend\n    id = tostring(snapshot.id),\n    structure = tostring(snapshot.structure),\n    reference = tostring(snapshot.reference),\n    source = tostring(snapshot.source),\n    collection = tostring(snapshot.collection),\n    type = tostring(snapshot.type),\n    region = tostring(snapshot.region),\n    resourceTypes = tostring(snapshot.resourceTypes),\n    path = tostring(snapshot.path)\n",
        "queryFrequency": "PT5H",
        "queryPeriod": "PT5H",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Reconnaissance"
        ],
        "techniques": [
          "T1595"
        ],
        "templateVersion": "1.0.3",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}