Alarming number of anomalies generated in NetBackup
Id | 2e0efcd4-56d2-41df-9098-d6898a58c62b |
Rulename | Alarming number of anomalies generated in NetBackup |
Description | This rule generates an incident when an alarming number of anomalies are generated in the last 15 minutes. |
Severity | Medium |
Tactics | Discovery CredentialAccess |
Kind | Scheduled |
Query frequency | 15m |
Query period | 15m |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Veritas NetBackup/Analytic Rules/NetBackup_many_Anomalies.yaml |
Version | 1.0.1 |
Arm template | 2e0efcd4-56d2-41df-9098-d6898a58c62b.json |
NetBackupAlerts_CL
| where Category contains "ANOMALY_NEW"
| extend client = split(Message, "client '")[1]
| extend clientName = split(client, "'")[0]
| summarize Total=count() by tostring(clientName)
| where Total >= 10
queryFrequency: 15m
description: This rule generates an incident when an alarming number of anomalies are generated in the last 15 minutes.
eventGroupingSettings:
aggregationKind: SingleAlert
name: Alarming number of anomalies generated in NetBackup
suppressionDuration: PT5H
triggerThreshold: 0
status: Available
id: 2e0efcd4-56d2-41df-9098-d6898a58c62b
requiredDataConnectors: []
techniques:
- T1110
- T1212
entityMappings:
- entityType: Host
fieldMappings:
- identifier: HostName
columnName: clientName
queryPeriod: 15m
query: |-
NetBackupAlerts_CL
| where Category contains "ANOMALY_NEW"
| extend client = split(Message, "client '")[1]
| extend clientName = split(client, "'")[0]
| summarize Total=count() by tostring(clientName)
| where Total >= 10
kind: Scheduled
severity: Medium
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Veritas NetBackup/Analytic Rules/NetBackup_many_Anomalies.yaml
version: 1.0.1
incidentConfiguration:
createIncident: true
groupingConfiguration:
lookbackDuration: PT5H
reopenClosedIncident: false
matchingMethod: AllEntities
enabled: false
triggerOperator: gt
tactics:
- Discovery
- CredentialAccess
suppressionEnabled: false
{
"$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/2e0efcd4-56d2-41df-9098-d6898a58c62b')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/2e0efcd4-56d2-41df-9098-d6898a58c62b')]",
"properties": {
"alertRuleTemplateName": "2e0efcd4-56d2-41df-9098-d6898a58c62b",
"customDetails": null,
"description": "This rule generates an incident when an alarming number of anomalies are generated in the last 15 minutes.",
"displayName": "Alarming number of anomalies generated in NetBackup",
"enabled": true,
"entityMappings": [
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "clientName",
"identifier": "HostName"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "SingleAlert"
},
"incidentConfiguration": {
"createIncident": true,
"groupingConfiguration": {
"enabled": false,
"lookbackDuration": "PT5H",
"matchingMethod": "AllEntities",
"reopenClosedIncident": false
}
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Veritas NetBackup/Analytic Rules/NetBackup_many_Anomalies.yaml",
"query": "NetBackupAlerts_CL\n| where Category contains \"ANOMALY_NEW\"\n| extend client = split(Message, \"client '\")[1]\n| extend clientName = split(client, \"'\")[0]\n| summarize Total=count() by tostring(clientName)\n| where Total >= 10",
"queryFrequency": "PT15M",
"queryPeriod": "PT15M",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT5H",
"suppressionEnabled": false,
"tactics": [
"CredentialAccess",
"Discovery"
],
"techniques": [
"T1110",
"T1212"
],
"templateVersion": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}