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