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

triggerOperator: gt
triggerThreshold: 0
name: VMware SD-WAN Edge - IDS/IPS Alert triggered (Syslog)
suppressionEnabled: false
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
severity: High
eventGroupingSettings:
  aggregationKind: AlertPerResult
suppressionDuration: 5h
kind: Scheduled
entityMappings:
- entityType: DNS
  fieldMappings:
  - columnName: DomainName
    identifier: DomainName
- entityType: IP
  fieldMappings:
  - columnName: VictimIp
    identifier: Address
queryFrequency: 1h
relevantTechniques:
- T1210
requiredDataConnectors:
- dataTypes:
  - SDWAN
  connectorId: VMwareSDWAN
customDetails:
  IDPS_Signature: IdpsSignatureName
  Edge_Name: EdgeName
  IDPS_Event_Category: IdpsAlertCategory
incidentConfiguration:
  groupingConfiguration:
    groupByCustomDetails: []
    groupByAlertDetails: []
    groupByEntities: []
    enabled: true
    lookbackDuration: 1h
    reopenClosedIncident: false
    matchingMethod: AllEntities
  createIncident: true
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.  
tactics:
- LateralMovement
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  
id: a8e2bfd2-5d9c-4acc-aa55-30029e50d574
version: 1.0.0

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"
    }
  ]
}