Illumio Firewall Tampering Analytic Rule

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Id	e9e4e466-3970-4165-bc8d-7721c6ef34a6
Rulename	Illumio Firewall Tampering Analytic Rule
Description	Create Microsoft Sentinel Incident When Firewall Is Tampered With
Severity	Medium
Tactics	DefenseEvasion
Techniques	T1562
Required data connectors	IllumioSaaSDataConnector SyslogAma
Kind	Scheduled
Query frequency	60m
Query period	60m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IllumioSaaS/Analytic Rules/Illumio_VEN_Firewall_Tampering_Detection_Query.yaml
Version	1.0.7
Arm template	e9e4e466-3970-4165-bc8d-7721c6ef34a6.json

KQL

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

YAML

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IllumioSaaS/Analytic Rules/Illumio_VEN_Firewall_Tampering_Detection_Query.yaml
id: e9e4e466-3970-4165-bc8d-7721c6ef34a6
triggerThreshold: 0
triggerOperator: gt
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  
name: Illumio Firewall Tampering Analytic Rule
kind: Scheduled
tactics:
- DefenseEvasion
requiredDataConnectors:
- connectorId: IllumioSaaSDataConnector
  dataTypes:
  - Illumio_Auditable_Events_CL
- connectorId: SyslogAma
  datatypes:
  - Syslog
relevantTechniques:
- T1562
queryFrequency: 60m
entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: hostname
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: ipaddress
description: |
    'Create Microsoft Sentinel Incident When Firewall Is Tampered With'
eventGroupingSettings:
  aggregationKind: SingleAlert
queryPeriod: 60m
version: 1.0.7
alertDetailsOverride:
  alertDescriptionFormat: |
        Illumio Firewall Tamper Incident for {{hostname}} generated at {{TimeGenerated}}
  alertDisplayNameFormat: |
        Illumio Firewall Tamper Incident for {{hostname}}
status: Available
severity: Medium

ARM