Microsoft Sentinel Analytic Rules
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SSG_Security_Incidents

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Idd41fa731-45a2-4b23-bb1d-29896fbc5298
RulenameSSG_Security_Incidents
DescriptionThe security analytic rule is designed to scrutinize network activity involving private IP addresses within an organization’s internal network. By filtering log entries to include only those where either the source or the destination IP is private, the rule focuses on internal communications that could indicate unauthorized access, internal threats, or other security anomalies.
SeverityHIGH
TacticsImpact
TechniquesT1486
KindNRT
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SINEC Security Guard/Analytic Rules/SSG_Azure_Sentinel_analytic_rule.yaml
Version1.0.0
Arm templated41fa731-45a2-4b23-bb1d-29896fbc5298.json
Deploy To Azure
SINECSecurityGuard_CL
| where ipv4_is_private(source_ip) or ipv4_is_private(destination_ip)
| project source_ip, destination_ip, signature_id, signature_name
customDetails:
  Source_IP: source_ip
name: SSG_Security_Incidents
suppressionEnabled: false
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SINEC Security Guard/Analytic Rules/SSG_Azure_Sentinel_analytic_rule.yaml
incidentConfiguration:
  groupingConfiguration:
    groupByCustomDetails:
    - Source_IP
    groupByAlertDetails: []
    groupByEntities:
    - IP
    enabled: true
    lookbackDuration: 5m
    reopenClosedIncident: false
    matchingMethod: AnyAlert
  createIncident: true
severity: HIGH
eventGroupingSettings:
  aggregationKind: AlertPerResult
kind: NRT
entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: source_ip
    identifier: Address
- entityType: IP
  fieldMappings:
  - columnName: destination_ip
    identifier: Address
tactics:
- Impact
relevantTechniques:
- T1486
suppressionDuration: 5h
description: The security analytic rule is designed to scrutinize network activity involving private IP addresses within an organization's internal network. By filtering log entries to include only those where either the source or the destination IP is private, the rule focuses on internal communications that could indicate unauthorized access, internal threats, or other security anomalies.
query: |
  SINECSecurityGuard_CL
  | where ipv4_is_private(source_ip) or ipv4_is_private(destination_ip)
  | project source_ip, destination_ip, signature_id, signature_name  
id: d41fa731-45a2-4b23-bb1d-29896fbc5298
version: 1.0.0
alertDetailsOverride:
  alertDescriptionFormat: 'Alert {{signature_name}} generated from {{source_ip}} to {{destination_ip}} '
  alertDynamicProperties: []
  alertDisplayNameFormat: '{{signature_name}} '
{
  "$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/d41fa731-45a2-4b23-bb1d-29896fbc5298')]",
      "kind": "NRT",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/d41fa731-45a2-4b23-bb1d-29896fbc5298')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Alert {{signature_name}} generated from {{source_ip}} to {{destination_ip}} ",
          "alertDisplayNameFormat": "{{signature_name}} ",
          "alertDynamicProperties": []
        },
        "alertRuleTemplateName": "d41fa731-45a2-4b23-bb1d-29896fbc5298",
        "customDetails": {
          "Source_IP": "source_ip"
        },
        "description": "The security analytic rule is designed to scrutinize network activity involving private IP addresses within an organization's internal network. By filtering log entries to include only those where either the source or the destination IP is private, the rule focuses on internal communications that could indicate unauthorized access, internal threats, or other security anomalies.",
        "displayName": "SSG_Security_Incidents",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "source_ip",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "destination_ip",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByAlertDetails": [],
            "groupByCustomDetails": [
              "Source_IP"
            ],
            "groupByEntities": [
              "IP"
            ],
            "lookbackDuration": "PT5M",
            "matchingMethod": "AnyAlert",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SINEC Security Guard/Analytic Rules/SSG_Azure_Sentinel_analytic_rule.yaml",
        "query": "SINECSecurityGuard_CL\n| where ipv4_is_private(source_ip) or ipv4_is_private(destination_ip)\n| project source_ip, destination_ip, signature_id, signature_name\n",
        "severity": "HIGH",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "Impact"
        ],
        "techniques": [
          "T1486"
        ],
        "templateVersion": "1.0.0"
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}