VMware SD-WAN Edge - IDSIPS Alert triggered Syslog

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Id	a8e2bfd2-5d9c-4acc-aa55-30029e50d574
Rulename	VMware SD-WAN Edge - IDS/IPS Alert triggered (Syslog)
Description	The VMware SD-WAN Edge appliance captured a potentially malicious traffic flow. Please investigate the IOC information available. This analytics rule analyzes Syslog streams.
Severity	High
Tactics	LateralMovement
Techniques	T1210
Required data connectors	VMwareSDWAN
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware SD-WAN and SASE/Analytic Rules/vmw-sdwan-idps-alert-syslog.yaml
Version	1.0.0
Arm template	a8e2bfd2-5d9c-4acc-aa55-30029e50d574.json

KQL

Syslog
| where SyslogMessage contains "VCF Alert"
| project-rename EdgeName=HostName
| project-away Computer, HostIP, SourceSystem, Type
| extend IdpsSignatureName = extract("SIGNATURE=(.+) CATEGORY=", 1, SyslogMessage)
| extend IdpsAlertCategory = extract("CATEGORY=(.+) SEVERITY=", 1, SyslogMessage)
| extend IdpsAlertSeverity = extract("SEVERITY=(.+) SRC_IP=", 1, SyslogMessage)
| extend IdpsSignatureId = extract("SIG_ID=([0-9]+) SIGNATURE=", 1, SyslogMessage)
| extend OverlaySegmentName = extract("SEGMENT_NAME=(.+) SIG_ID=", 1, SyslogMessage)
| extend IpProtocol = extract("PROTO=([A-Z]+) SRC=", 1, SyslogMessage)
| extend SrcIpAddress = extract("SRC=(.+) DST=", 1, SyslogMessage)
| extend SrcPort = extract("SPT=([0-9]+) DPT=", 1, SyslogMessage)
| extend DstIpAddress = extract("DST=(.+) SPT=", 1, SyslogMessage)
| extend DstPort = extract("DPT=(.+) DEST_DOMAIN=", 1, SyslogMessage)
| extend VictimIp = extract("TARGET_IP=(.+) TARGET_PORT=", 1, SyslogMessage)
| extend AttackerIp = extract("SRC_IP=(.+) SRC_PORT=", 1, SyslogMessage)
| extend DomainName = extract("DEST_DOMAIN=(.+) FW_POLICY_NAME=", 1, SyslogMessage)
| extend EdgeFwAction = extract("ATP_ACTION=(.+) SEGMENT=", 1, SyslogMessage)
| extend SyslogTag = extract("$(.+): ACTION=", 1, SyslogMessage)
| extend FwPolicyName = extract("FW_POLICY_NAME=(.+) SEGMENT_NAME=", 1, SyslogMessage)
| project
    TimeGenerated,
    IdpsSignatureName,
    IdpsAlertSeverity,
    IdpsAlertCategory,
    IdpsSignatureId,
    EdgeFwAction,
    EdgeName,
    SrcIpAddress,
    IpProtocol,
    SrcPort,
    DstIpAddress,
    DstPort,
    DomainName,
    AttackerIp,
    VictimIp,
    FwPolicyName,
    SyslogTag

YAML

relevantTechniques:
- T1210
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 1h
    groupByCustomDetails: []
    groupByAlertDetails: []
    enabled: true
    reopenClosedIncident: false
    matchingMethod: AllEntities
    groupByEntities: []
name: VMware SD-WAN Edge - IDS/IPS Alert triggered (Syslog)
requiredDataConnectors:
- dataTypes:
  - SDWAN
  connectorId: VMwareSDWAN
entityMappings:
- fieldMappings:
  - identifier: DomainName
    columnName: DomainName
  entityType: DNS
- fieldMappings:
  - identifier: Address
    columnName: VictimIp
  entityType: IP
triggerThreshold: 0
id: a8e2bfd2-5d9c-4acc-aa55-30029e50d574
tactics:
- LateralMovement
version: 1.0.0
customDetails:
  Edge_Name: EdgeName
  IDPS_Signature: IdpsSignatureName
  IDPS_Event_Category: IdpsAlertCategory
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware SD-WAN and SASE/Analytic Rules/vmw-sdwan-idps-alert-syslog.yaml
queryPeriod: 1h
kind: Scheduled
eventGroupingSettings:
  aggregationKind: AlertPerResult
suppressionDuration: 5h
queryFrequency: 1h
severity: High
suppressionEnabled: false
description: |-
  The VMware SD-WAN Edge appliance captured a potentially malicious traffic flow. Please investigate the IOC information available.

  This analytics rule analyzes Syslog streams.  
query: |-
  Syslog
  | where SyslogMessage contains "VCF Alert"
  | project-rename EdgeName=HostName
  | project-away Computer, HostIP, SourceSystem, Type
  | extend IdpsSignatureName = extract("SIGNATURE=(.+) CATEGORY=", 1, SyslogMessage)
  | extend IdpsAlertCategory = extract("CATEGORY=(.+) SEVERITY=", 1, SyslogMessage)
  | extend IdpsAlertSeverity = extract("SEVERITY=(.+) SRC_IP=", 1, SyslogMessage)
  | extend IdpsSignatureId = extract("SIG_ID=([0-9]+) SIGNATURE=", 1, SyslogMessage)
  | extend OverlaySegmentName = extract("SEGMENT_NAME=(.+) SIG_ID=", 1, SyslogMessage)
  | extend IpProtocol = extract("PROTO=([A-Z]+) SRC=", 1, SyslogMessage)
  | extend SrcIpAddress = extract("SRC=(.+) DST=", 1, SyslogMessage)
  | extend SrcPort = extract("SPT=([0-9]+) DPT=", 1, SyslogMessage)
  | extend DstIpAddress = extract("DST=(.+) SPT=", 1, SyslogMessage)
  | extend DstPort = extract("DPT=(.+) DEST_DOMAIN=", 1, SyslogMessage)
  | extend VictimIp = extract("TARGET_IP=(.+) TARGET_PORT=", 1, SyslogMessage)
  | extend AttackerIp = extract("SRC_IP=(.+) SRC_PORT=", 1, SyslogMessage)
  | extend DomainName = extract("DEST_DOMAIN=(.+) FW_POLICY_NAME=", 1, SyslogMessage)
  | extend EdgeFwAction = extract("ATP_ACTION=(.+) SEGMENT=", 1, SyslogMessage)
  | extend SyslogTag = extract("$(.+): ACTION=", 1, SyslogMessage)
  | extend FwPolicyName = extract("FW_POLICY_NAME=(.+) SEGMENT_NAME=", 1, SyslogMessage)
  | project
      TimeGenerated,
      IdpsSignatureName,
      IdpsAlertSeverity,
      IdpsAlertCategory,
      IdpsSignatureId,
      EdgeFwAction,
      EdgeName,
      SrcIpAddress,
      IpProtocol,
      SrcPort,
      DstIpAddress,
      DstPort,
      DomainName,
      AttackerIp,
      VictimIp,
      FwPolicyName,
      SyslogTag  
triggerOperator: gt

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/a8e2bfd2-5d9c-4acc-aa55-30029e50d574')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a8e2bfd2-5d9c-4acc-aa55-30029e50d574')]",
      "properties": {
        "alertRuleTemplateName": "a8e2bfd2-5d9c-4acc-aa55-30029e50d574",
        "customDetails": {
          "Edge_Name": "EdgeName",
          "IDPS_Event_Category": "IdpsAlertCategory",
          "IDPS_Signature": "IdpsSignatureName"
        },
        "description": "The VMware SD-WAN Edge appliance captured a potentially malicious traffic flow. Please investigate the IOC information available.\n\nThis analytics rule analyzes Syslog streams.",
        "displayName": "VMware SD-WAN Edge - IDS/IPS Alert triggered (Syslog)",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "DNS",
            "fieldMappings": [
              {
                "columnName": "DomainName",
                "identifier": "DomainName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "VictimIp",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByAlertDetails": [],
            "groupByCustomDetails": [],
            "groupByEntities": [],
            "lookbackDuration": "PT1H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware SD-WAN and SASE/Analytic Rules/vmw-sdwan-idps-alert-syslog.yaml",
        "query": "Syslog\n| where SyslogMessage contains \"VCF Alert\"\n| project-rename EdgeName=HostName\n| project-away Computer, HostIP, SourceSystem, Type\n| extend IdpsSignatureName = extract(\"SIGNATURE=(.+) CATEGORY=\", 1, SyslogMessage)\n| extend IdpsAlertCategory = extract(\"CATEGORY=(.+) SEVERITY=\", 1, SyslogMessage)\n| extend IdpsAlertSeverity = extract(\"SEVERITY=(.+) SRC_IP=\", 1, SyslogMessage)\n| extend IdpsSignatureId = extract(\"SIG_ID=([0-9]+) SIGNATURE=\", 1, SyslogMessage)\n| extend OverlaySegmentName = extract(\"SEGMENT_NAME=(.+) SIG_ID=\", 1, SyslogMessage)\n| extend IpProtocol = extract(\"PROTO=([A-Z]+) SRC=\", 1, SyslogMessage)\n| extend SrcIpAddress = extract(\"SRC=(.+) DST=\", 1, SyslogMessage)\n| extend SrcPort = extract(\"SPT=([0-9]+) DPT=\", 1, SyslogMessage)\n| extend DstIpAddress = extract(\"DST=(.+) SPT=\", 1, SyslogMessage)\n| extend DstPort = extract(\"DPT=(.+) DEST_DOMAIN=\", 1, SyslogMessage)\n| extend VictimIp = extract(\"TARGET_IP=(.+) TARGET_PORT=\", 1, SyslogMessage)\n| extend AttackerIp = extract(\"SRC_IP=(.+) SRC_PORT=\", 1, SyslogMessage)\n| extend DomainName = extract(\"DEST_DOMAIN=(.+) FW_POLICY_NAME=\", 1, SyslogMessage)\n| extend EdgeFwAction = extract(\"ATP_ACTION=(.+) SEGMENT=\", 1, SyslogMessage)\n| extend SyslogTag = extract(\"$(.+): ACTION=\", 1, SyslogMessage)\n| extend FwPolicyName = extract(\"FW_POLICY_NAME=(.+) SEGMENT_NAME=\", 1, SyslogMessage)\n| project\n    TimeGenerated,\n    IdpsSignatureName,\n    IdpsAlertSeverity,\n    IdpsAlertCategory,\n    IdpsSignatureId,\n    EdgeFwAction,\n    EdgeName,\n    SrcIpAddress,\n    IpProtocol,\n    SrcPort,\n    DstIpAddress,\n    DstPort,\n    DomainName,\n    AttackerIp,\n    VictimIp,\n    FwPolicyName,\n    SyslogTag",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "LateralMovement"
        ],
        "techniques": [
          "T1210"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}