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

kind: NRT
eventGroupingSettings:
  aggregationKind: AlertPerResult
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.
severity: HIGH
entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: source_ip
    identifier: Address
- entityType: IP
  fieldMappings:
  - columnName: destination_ip
    identifier: Address
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    lookbackDuration: 5m
    matchingMethod: AnyAlert
    enabled: true
    groupByCustomDetails:
    - Source_IP
    groupByEntities:
    - IP
    groupByAlertDetails: []
  createIncident: true
relevantTechniques:
- T1486
suppressionEnabled: false
customDetails:
  Source_IP: source_ip
version: 1.0.0
name: SSG_Security_Incidents
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  
tactics:
- Impact
alertDetailsOverride:
  alertDisplayNameFormat: '{{signature_name}} '
  alertDescriptionFormat: 'Alert {{signature_name}} generated from {{source_ip}} to {{destination_ip}} '
  alertDynamicProperties: []
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SINEC Security Guard/Analytic Rules/SSG_Azure_Sentinel_analytic_rule.yaml

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"
    }
  ]
}