Detection rules › Kusto

License Limit Exceeded

Status
available
Severity
medium
Time window
3h
Group by
Edition, Type
Source
github.com/Azure/Azure-Sentinel

Detects when the Veeam license limit is exceeded.

Rule body

id: 31ffa231-72da-49f0-88cd-de08eaf3bc52
name: License Limit Exceeded
description: Detects when the Veeam license limit is exceeded.
severity: Medium
status: Available
requiredDataConnectors:
- connectorId: Syslog
  dataTypes:
  - Syslog
- connectorId: SyslogAma
  dataTypes:
  - Syslog
queryFrequency: 3h
queryPeriod: 3h
triggerOperator: gt
triggerThreshold: 0
eventGroupingSettings:
  aggregationKind: AlertPerResult
tactics: []
relevantTechniques: []
query: "let license_editions_lookup = union isfuzzy=true (datatable(Edition:string,\
  \ EditionDescription:string)[]), (_GetWatchlist(\"license_editions_lookup\")); \n\
  let license_types_lookup = union isfuzzy=true (datatable(Type:string, TypeDescription:string)[]),\
  \ (_GetWatchlist(\"license_types_lookup\")); \nVeeam_GetSecurityEvents\n| where\
  \ instanceId == 24070\n| extend Edition = extract(\"Edition=\\\"([^\\\"]*)\\\"\"\
  , 1, SyslogMessage)\n| lookup kind=leftouter (license_editions_lookup) \n    on\
  \ $left.Edition == $right.Edition\n| extend Type = extract(\"Type=\\\"([^\\\"]*)\\\
  \"\", 1, SyslogMessage)\n| lookup kind=leftouter (license_types_lookup) \n    on\
  \ $left.Type == $right.Type\n| extend TenantID = extract(\"TenantID=\\\"([^\\\"\
  ]*)\\\"\", 1, SyslogMessage)\n| extend DaysLeft = extract(\"DaysLeft=\\\"([^\\\"\
  ]*)\\\"\", 1, SyslogMessage)\n| extend SupportLeft = extract(\"SupportLeft=\\\"\
  ([^\\\"]*)\\\"\", 1, SyslogMessage)\n| project\n    Date = format_datetime(TimeGenerated,\
  \ 'dd.MM.yyyy HH:mm'),\n    DataSource = original_host,\n    EventId = instanceId,\n\
  \    [\"License Edition\"] = EditionDescription,\n    [\"License Type\"] = TypeDescription,\n\
  \    [\"Days Left\"] = DaysLeft,\n    [\"Days of Support Left\"] = SupportLeft,\n\
  \    MessageDetails = Description,\n    Severity = SeverityDescription\n"
version: 1.0.1
kind: Scheduled
customDetails:
  Date: Date
  VbrHostName: DataSource
  EventId: EventId
  MessageDetails: MessageDetails
  Severity: Severity

Stages and Predicates

Parameters

let license_editions_lookup = union isfuzzy=true (datatable(Edition:string, EditionDescription:string)[]), (_GetWatchlist("license_editions_lookup"));
let license_types_lookup = union isfuzzy=true (datatable(Type:string, TypeDescription:string)[]), (_GetWatchlist("license_types_lookup"));

Stage 1: source

Veeam_GetSecurityEvents

Stage 2: where

| where instanceId == 24070

Stage 3: extend

| extend Edition = extract("Edition=\"([^\"]*)\"", 1, SyslogMessage)

Stage 4: kusto:lookup

| lookup kind=leftouter (license_editions_lookup) 
    on $left.Edition == $right.Edition

Stage 5: extend

| extend Type = extract("Type=\"([^\"]*)\"", 1, SyslogMessage)

Stage 6: kusto:lookup

| lookup kind=leftouter (license_types_lookup) 
    on $left.Type == $right.Type

Stage 7: extend (3 consecutive steps)

| extend TenantID = extract("TenantID=\"([^\"]*)\"", 1, SyslogMessage)
| extend DaysLeft = extract("DaysLeft=\"([^\"]*)\"", 1, SyslogMessage)
| extend SupportLeft = extract("SupportLeft=\"([^\"]*)\"", 1, SyslogMessage)

Stage 8: project

| project
    Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),
    DataSource = original_host,
    EventId = instanceId,
    ["License Edition"] = EditionDescription,
    ["License Type"] = TypeDescription,
    ["Days Left"] = DaysLeft,
    ["Days of Support Left"] = SupportLeft,
    MessageDetails = Description,
    Severity = SeverityDescription

Indicators

These rows show field, operator, and value matches.

Output fields

These fields are emitted when the rule matches.

FieldSource
DataSourceproject
Dateproject
Days Leftproject
Days of Support Leftproject
EventIdproject
License Editionproject
License Typeproject
MessageDetailsproject
Severityproject