Analytic rule catalog
High Number of Urgent Vulnerabilities Detected
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| Id | 3edb7215-250b-40c0-8b46-79093949242d |
| Rulename | High Number of Urgent Vulnerabilities Detected |
| Description | This Creates an incident when a host has a high number of Urgent, severity 5, vulnerabilities detected. |
| Severity | Medium |
| Tactics | InitialAccess |
| Techniques | T1190 |
| Required data connectors | QualysVMLogsCCPDefinition |
| 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/QualysVM/Analytic%20Rules/HighNumberofVulnDetectedV2.yaml |
| Version | 1.0.3 |
| Arm template | 3edb7215-250b-40c0-8b46-79093949242d.json |
let threshold = 10;
QualysHostDetection
| where Severity == "5"
| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by NetBios, IPAddress
| where count_ >= threshold
entityMappings:
- entityType: Host
fieldMappings:
- identifier: FullName
columnName: NetBios
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPAddress
name: High Number of Urgent Vulnerabilities Detected
kind: Scheduled
triggerOperator: gt
status: Available
queryPeriod: 1h
requiredDataConnectors:
- connectorId: QualysVMLogsCCPDefinition
dataTypes:
- QualysHostDetection
tactics:
- InitialAccess
query: |
let threshold = 10;
QualysHostDetection
| where Severity == "5"
| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by NetBios, IPAddress
| where count_ >= threshold
description: |
'This Creates an incident when a host has a high number of Urgent, severity 5, vulnerabilities detected.'
severity: Medium
id: 3edb7215-250b-40c0-8b46-79093949242d
triggerThreshold: 0
queryFrequency: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/QualysVM/Analytic%20Rules/HighNumberofVulnDetectedV2.yaml
version: 1.0.3
relevantTechniques:
- T1190
{
"$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/3edb7215-250b-40c0-8b46-79093949242d')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/3edb7215-250b-40c0-8b46-79093949242d')]",
"properties": {
"alertRuleTemplateName": "3edb7215-250b-40c0-8b46-79093949242d",
"customDetails": null,
"description": "'This Creates an incident when a host has a high number of Urgent, severity 5, vulnerabilities detected.'\n",
"displayName": "High Number of Urgent Vulnerabilities Detected",
"enabled": true,
"entityMappings": [
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "NetBios",
"identifier": "FullName"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPAddress",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/QualysVM/Analytic%20Rules/HighNumberofVulnDetectedV2.yaml",
"query": "let threshold = 10;\nQualysHostDetection\n| where Severity == \"5\"\n| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by NetBios, IPAddress\n| where count_ >= threshold\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1190"
],
"templateVersion": "1.0.3",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}