Illumio VEN Suspend Detection Rule

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Id	7379f752-18a2-43ca-8b74-70747dd792f8
Rulename	Illumio VEN Suspend Detection Rule
Description	Create Microsoft Sentinel Incident When Ven Goes Into Suspended state
Severity	High
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_Suspend_Query.yaml
Version	1.0.6
Arm template	7379f752-18a2-43ca-8b74-70747dd792f8.json

KQL

Illumio_Auditable_Events_CL
| union IllumioSyslogAuditEvents  
| where event_type has 'agent.suspend'
| extend ipaddress = action.src_ip,
      hostname = created_by.agent.hostname
| project-away resource_changes, action, version

YAML

description: |
    'Create Microsoft Sentinel Incident When Ven Goes Into Suspended state'
queryFrequency: 60m
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: hostname
  entityType: Host
- fieldMappings:
  - identifier: Address
    columnName: ipaddress
  entityType: IP
queryPeriod: 60m
query: |
  Illumio_Auditable_Events_CL
  | union IllumioSyslogAuditEvents  
  | where event_type has 'agent.suspend'
  | extend ipaddress = action.src_ip,
        hostname = created_by.agent.hostname
  | project-away resource_changes, action, version          
alertDetailsOverride:
  alertDisplayNameFormat: |
        Illumio VEN Suspended Incident for {{hostname}}
  alertDescriptionFormat: |
        Illumio VEN Suspended Incident for {{hostname}} generated at {{TimeGenerated}}
status: Available
id: 7379f752-18a2-43ca-8b74-70747dd792f8
name: Illumio VEN Suspend Detection Rule
kind: Scheduled
version: 1.0.6
eventGroupingSettings:
  aggregationKind: SingleAlert
severity: High
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IllumioSaaS/Analytic Rules/Illumio_VEN_Suspend_Query.yaml
triggerThreshold: 0
triggerOperator: gt
tactics:
- DefenseEvasion
relevantTechniques:
- T1562
requiredDataConnectors:
- connectorId: IllumioSaaSDataConnector
  dataTypes:
  - Illumio_Auditable_Events_CL
- connectorId: SyslogAma
  datatypes:
  - Syslog

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/7379f752-18a2-43ca-8b74-70747dd792f8')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/7379f752-18a2-43ca-8b74-70747dd792f8')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Illumio VEN Suspended Incident for {{hostname}} generated at {{TimeGenerated}}\n",
          "alertDisplayNameFormat": "Illumio VEN Suspended Incident for {{hostname}}\n"
        },
        "alertRuleTemplateName": "7379f752-18a2-43ca-8b74-70747dd792f8",
        "customDetails": null,
        "description": "'Create Microsoft Sentinel Incident When Ven Goes Into Suspended state'\n",
        "displayName": "Illumio VEN Suspend Detection 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_Suspend_Query.yaml",
        "query": "Illumio_Auditable_Events_CL\n| union IllumioSyslogAuditEvents  \n| where event_type has 'agent.suspend'\n| extend ipaddress = action.src_ip,\n      hostname = created_by.agent.hostname\n| project-away resource_changes, action, version        \n",
        "queryFrequency": "PT60M",
        "queryPeriod": "PT60M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1562"
        ],
        "templateVersion": "1.0.6",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}