Analytic rule catalog
VMware SD-WAN Edge - Device Congestion Alert - Packet Drops
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| Id | a88ead0a-f022-48d6-8f53-e5a164c4c72e |
| Rulename | VMware SD-WAN Edge - Device Congestion Alert - Packet Drops |
| Description | The VMware Edge Cloud Orchestrator reported an edge congestion event, where the Edge is dropping a large number of packets on one of its interfaces. This could indicate an ongoing Denial of Service attack against an appliance. Please make sure that Network Flood Protection is turned on. |
| Severity | Medium |
| Tactics | Impact |
| Techniques | T1498 |
| 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%20SD-WAN%20and%20SASE/Analytic%20Rules/vmw-sdwan-device-congestion.yaml |
| Version | 1.0.0 |
| Arm template | a88ead0a-f022-48d6-8f53-e5a164c4c72e.json |
VMware_VECO_EventLogs_CL
| where event == "EDGE_CONGESTED"
| where message contains "high number of packet drops"
| extend edgeSerialNumber = extract("edgeSerialNumber: (.+)$", 1, detail)
tactics:
- Impact
queryPeriod: 1h
kind: Scheduled
relevantTechniques:
- T1498
query: |-
VMware_VECO_EventLogs_CL
| where event == "EDGE_CONGESTED"
| where message contains "high number of packet drops"
| extend edgeSerialNumber = extract("edgeSerialNumber: (.+)$", 1, detail)
suppressionDuration: 5h
severity: Medium
queryFrequency: 1h
triggerOperator: gt
suppressionEnabled: false
id: a88ead0a-f022-48d6-8f53-e5a164c4c72e
name: VMware SD-WAN Edge - Device Congestion Alert - Packet Drops
triggerThreshold: 0
requiredDataConnectors:
- connectorId: VMwareSDWAN
dataTypes:
- SDWAN
description: The VMware Edge Cloud Orchestrator reported an edge congestion event, where the Edge is dropping a large number of packets on one of its interfaces. This could indicate an ongoing Denial of Service attack against an appliance. Please make sure that Network Flood Protection is turned on.
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware%20SD-WAN%20and%20SASE/Analytic%20Rules/vmw-sdwan-device-congestion.yaml
eventGroupingSettings:
aggregationKind: SingleAlert
incidentConfiguration:
groupingConfiguration:
enabled: true
groupByCustomDetails: []
groupByAlertDetails: []
lookbackDuration: 5h
groupByEntities: []
reopenClosedIncident: false
matchingMethod: AllEntities
createIncident: true
customDetails:
edgeSerialNumber: edgeSerialNumber
version: 1.0.0
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2024-01-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/a88ead0a-f022-48d6-8f53-e5a164c4c72e')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a88ead0a-f022-48d6-8f53-e5a164c4c72e')]",
"properties": {
"alertRuleTemplateName": "a88ead0a-f022-48d6-8f53-e5a164c4c72e",
"customDetails": {
"edgeSerialNumber": "edgeSerialNumber"
},
"description": "The VMware Edge Cloud Orchestrator reported an edge congestion event, where the Edge is dropping a large number of packets on one of its interfaces. This could indicate an ongoing Denial of Service attack against an appliance. Please make sure that Network Flood Protection is turned on.",
"displayName": "VMware SD-WAN Edge - Device Congestion Alert - Packet Drops",
"enabled": true,
"entityMappings": null,
"eventGroupingSettings": {
"aggregationKind": "SingleAlert"
},
"incidentConfiguration": {
"createIncident": true,
"groupingConfiguration": {
"enabled": true,
"groupByAlertDetails": [],
"groupByCustomDetails": [],
"groupByEntities": [],
"lookbackDuration": "PT5H",
"matchingMethod": "AllEntities",
"reopenClosedIncident": false
}
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware%20SD-WAN%20and%20SASE/Analytic%20Rules/vmw-sdwan-device-congestion.yaml",
"query": "VMware_VECO_EventLogs_CL\n| where event == \"EDGE_CONGESTED\"\n| where message contains \"high number of packet drops\"\n| extend edgeSerialNumber = extract(\"edgeSerialNumber: (.+)$\", 1, detail)",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "Medium",
"subTechniques": [],
"suppressionDuration": "PT5H",
"suppressionEnabled": false,
"tactics": [
"Impact"
],
"techniques": [
"T1498"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}