Microsoft Sentinel Analytic Rules
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NetworkSecurityGroups Alert From Prancer

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Ida8babf91-b844-477c-8abf-d31e3df74933
RulenameNetworkSecurityGroups Alert From Prancer
DescriptionHigh severity network security groups alerts found by Prancer.
SeverityHigh
TacticsReconnaissance
TechniquesT1595
Required data connectorsPrancerLogData
KindScheduled
Query frequency5h
Query period5h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Prancer PenSuiteAI Integration/Analytic Rules/Network_Security_Groups_High_Severity.yaml
Version1.0.2
Arm templatea8babf91-b844-477c-8abf-d31e3df74933.json
Deploy To Azure
union prancer_CL
| where deviceProduct_s == 'azure'
| where parse_json(data_data_snapshots_s)[0].type == 'Microsoft.Network/networkSecurityGroups' //and parse_json(data_data_snapshots_s)[0].region != ''
| 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)
status: Available
triggerOperator: gt
triggerThreshold: 0
name: NetworkSecurityGroups Alert From Prancer
alertDetailsOverride:
  alertSeverityColumnName: '{{data_data_severity_s}}'
  alertDescriptionFormat: '{{data_data_description_s}}'
  alertDynamicProperties:
  - alertProperty: RemediationSteps
    value: data_data_remediation_description_s
  alertDisplayNameFormat: '{{data_data_message_s}}'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Prancer PenSuiteAI Integration/Analytic Rules/Network_Security_Groups_High_Severity.yaml
queryPeriod: 5h
severity: High
eventGroupingSettings:
  aggregationKind: SingleAlert
entityMappings:
- entityType: AzureResource
  fieldMappings:
  - columnName: path
    identifier: ResourceId
queryFrequency: 5h
relevantTechniques:
- T1595
requiredDataConnectors:
- dataTypes:
  - prancer_CL
  connectorId: PrancerLogData
kind: Scheduled
customDetails: 
description: |
    'High severity network security groups alerts found by Prancer.'
tactics:
- Reconnaissance
query: |
  union prancer_CL
  | where deviceProduct_s == 'azure'
  | where parse_json(data_data_snapshots_s)[0].type == 'Microsoft.Network/networkSecurityGroups' //and parse_json(data_data_snapshots_s)[0].region != ''
  | 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)  
id: a8babf91-b844-477c-8abf-d31e3df74933
version: 1.0.2
{
  "$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/a8babf91-b844-477c-8abf-d31e3df74933')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a8babf91-b844-477c-8abf-d31e3df74933')]",
      "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": "a8babf91-b844-477c-8abf-d31e3df74933",
        "customDetails": null,
        "description": "'High severity network security groups alerts found by Prancer.'\n",
        "displayName": "NetworkSecurityGroups Alert From 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/Network_Security_Groups_High_Severity.yaml",
        "query": "union prancer_CL\n| where deviceProduct_s == 'azure'\n| where parse_json(data_data_snapshots_s)[0].type == 'Microsoft.Network/networkSecurityGroups' //and parse_json(data_data_snapshots_s)[0].region != ''\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": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}