Illumio VEN Suspend Detection Rule | Microsoft Sentinel Analytic Rules

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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%20Rules/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

name: Illumio VEN Suspend Detection Rule
triggerOperator: gt
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        
queryFrequency: 60m
description: |
  'Create Microsoft Sentinel Incident When Ven Goes Into Suspended state'
id: 7379f752-18a2-43ca-8b74-70747dd792f8
triggerThreshold: 0
queryPeriod: 60m
version: 1.0.6
kind: Scheduled
status: Available
eventGroupingSettings:
  aggregationKind: SingleAlert
severity: High
requiredDataConnectors:
- connectorId: IllumioSaaSDataConnector
  dataTypes:
  - Illumio_Auditable_Events_CL
- connectorId: SyslogAma
  datatypes:
  - Syslog
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IllumioSaaS/Analytic%20Rules/Illumio_VEN_Suspend_Query.yaml
alertDetailsOverride:
  alertDescriptionFormat: |
    Illumio VEN Suspended Incident for {{hostname}} generated at {{TimeGenerated}}
  alertDisplayNameFormat: |
    Illumio VEN Suspended Incident for {{hostname}}
relevantTechniques:
- T1562
tactics:
- DefenseEvasion
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: hostname
  entityType: Host
- fieldMappings:
  - identifier: Address
    columnName: ipaddress
  entityType: IP

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%20Rules/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"
    }
  ]
}