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

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