SSG_Security_Incidents

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Id	d41fa731-45a2-4b23-bb1d-29896fbc5298
Rulename	SSG_Security_Incidents
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.
Severity	HIGH
Tactics	Impact
Techniques	T1486
Kind	NRT
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SINEC Security Guard/Analytic Rules/SSG_Azure_Sentinel_analytic_rule.yaml
Version	1.0.0
Arm template	d41fa731-45a2-4b23-bb1d-29896fbc5298.json

KQL

SINECSecurityGuard_CL
| where ipv4_is_private(source_ip) or ipv4_is_private(destination_ip)
| project source_ip, destination_ip, signature_id, signature_name

YAML

severity: HIGH
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: source_ip
  entityType: IP
- fieldMappings:
  - identifier: Address
    columnName: destination_ip
  entityType: IP
relevantTechniques:
- T1486
eventGroupingSettings:
  aggregationKind: AlertPerResult
version: 1.0.0
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:
    lookbackDuration: 5m
    matchingMethod: AnyAlert
    enabled: true
    groupByCustomDetails:
    - Source_IP
    groupByAlertDetails: []
    groupByEntities:
    - IP
    reopenClosedIncident: false
  createIncident: true
id: d41fa731-45a2-4b23-bb1d-29896fbc5298
query: |
  SINECSecurityGuard_CL
  | where ipv4_is_private(source_ip) or ipv4_is_private(destination_ip)
  | project source_ip, destination_ip, signature_id, signature_name  
alertDetailsOverride:
  alertDisplayNameFormat: '{{signature_name}} '
  alertDescriptionFormat: 'Alert {{signature_name}} generated from {{source_ip}} to {{destination_ip}} '
  alertDynamicProperties: []
suppressionDuration: 5h
kind: NRT
tactics:
- Impact
customDetails:
  Source_IP: source_ip
name: SSG_Security_Incidents
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.

ARM

{
  "$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"
    }
  ]
}