Microsoft Sentinel Analytic Rules
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Illumio Firewall Tampering Analytic Rule

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Ide9e4e466-3970-4165-bc8d-7721c6ef34a6
RulenameIllumio Firewall Tampering Analytic Rule
DescriptionCreate Microsoft Sentinel Incident When Firewall Is Tampered With
SeverityMedium
TacticsDefenseEvasion
TechniquesT1562
Required data connectorsIllumioSaaSDataConnector
SyslogAma
KindScheduled
Query frequency60m
Query period60m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IllumioSaaS/Analytic Rules/Illumio_VEN_Firewall_Tampering_Detection_Query.yaml
Version1.0.7
Arm templatee9e4e466-3970-4165-bc8d-7721c6ef34a6.json
Deploy To Azure
Illumio_Auditable_Events_CL
 | union IllumioSyslogAuditEvents 
 | where event_type has 'tampering'
 | extend ipaddress = action.src_ip,
           hostname = created_by.agent.hostname,
           ven_href = created_by.ven.href
 | project-away resource_changes, action, version
triggerThreshold: 0
alertDetailsOverride:
  alertDisplayNameFormat: |
        Illumio Firewall Tamper Incident for {{hostname}}
  alertDescriptionFormat: |
        Illumio Firewall Tamper Incident for {{hostname}} generated at {{TimeGenerated}}
requiredDataConnectors:
- connectorId: IllumioSaaSDataConnector
  dataTypes:
  - Illumio_Auditable_Events_CL
- connectorId: SyslogAma
  datatypes:
  - Syslog
severity: Medium
queryFrequency: 60m
id: e9e4e466-3970-4165-bc8d-7721c6ef34a6
relevantTechniques:
- T1562
queryPeriod: 60m
name: Illumio Firewall Tampering Analytic Rule
status: Available
kind: Scheduled
tactics:
- DefenseEvasion
triggerOperator: gt
version: 1.0.7
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: hostname
    identifier: HostName
- entityType: IP
  fieldMappings:
  - columnName: ipaddress
    identifier: Address
eventGroupingSettings:
  aggregationKind: SingleAlert
description: |
    'Create Microsoft Sentinel Incident When Firewall Is Tampered With'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IllumioSaaS/Analytic Rules/Illumio_VEN_Firewall_Tampering_Detection_Query.yaml
query: |
  Illumio_Auditable_Events_CL
   | union IllumioSyslogAuditEvents 
   | where event_type has 'tampering'
   | extend ipaddress = action.src_ip,
             hostname = created_by.agent.hostname,
             ven_href = created_by.ven.href
   | project-away resource_changes, action, version  
{
  "$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/e9e4e466-3970-4165-bc8d-7721c6ef34a6')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/e9e4e466-3970-4165-bc8d-7721c6ef34a6')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Illumio Firewall Tamper Incident for {{hostname}} generated at {{TimeGenerated}}\n",
          "alertDisplayNameFormat": "Illumio Firewall Tamper Incident for {{hostname}}\n"
        },
        "alertRuleTemplateName": "e9e4e466-3970-4165-bc8d-7721c6ef34a6",
        "customDetails": null,
        "description": "'Create Microsoft Sentinel Incident When Firewall Is Tampered With'\n",
        "displayName": "Illumio Firewall Tampering Analytic Rule",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "hostname",
                "identifier": "HostName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "ipaddress",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IllumioSaaS/Analytic Rules/Illumio_VEN_Firewall_Tampering_Detection_Query.yaml",
        "query": "Illumio_Auditable_Events_CL\n | union IllumioSyslogAuditEvents \n | where event_type has 'tampering'\n | extend ipaddress = action.src_ip,\n           hostname = created_by.agent.hostname,\n           ven_href = created_by.ven.href\n | project-away resource_changes, action, version\n",
        "queryFrequency": "PT60M",
        "queryPeriod": "PT60M",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1562"
        ],
        "templateVersion": "1.0.7",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}