Versasec CMS - Multiple Failed Login Attempts

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Id	B1DB8B7E-9D74-48C3-9683-74483CBEFF4E
Rulename	Versasec CMS - Multiple Failed Login Attempts
Description	Detects when Operator login failed to often.
Severity	High
Tactics	CredentialAccess
Techniques	T1110
Required data connectors	VersasecCms
Kind	Scheduled
Query frequency	5m
Query period	1h
Trigger threshold	5
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VersasecCMS/Analytic Rules/VersasecCmsOperatorLoginFailed.yaml
Version	1.0.1
Arm template	B1DB8B7E-9D74-48C3-9683-74483CBEFF4E.json

KQL

let threshold = 5;
VersasecCmsSysLogs 
| where EventId == 2 
| sort by ComputerName asc, TimeGenerated asc
| extend TimeDiff = datetime_diff('minute', TimeGenerated, prev(TimeGenerated))
| where TimeDiff <= threshold and ComputerName == prev(ComputerName)

YAML

name: Versasec CMS - Multiple Failed Login Attempts
incidentConfiguration:
  groupingConfiguration:
    enabled: false
    reopenClosedIncident: false
    lookbackDuration: 5m
    matchingMethod: AllEntities
  createIncident: true
query: |
  let threshold = 5;
  VersasecCmsSysLogs 
  | where EventId == 2 
  | sort by ComputerName asc, TimeGenerated asc
  | extend TimeDiff = datetime_diff('minute', TimeGenerated, prev(TimeGenerated))
  | where TimeDiff <= threshold and ComputerName == prev(ComputerName)  
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: ComputerName
    identifier: FullName
queryPeriod: 1h
version: 1.0.1
tactics:
- CredentialAccess
triggerOperator: gt
kind: Scheduled
triggerThreshold: 5
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VersasecCMS/Analytic Rules/VersasecCmsOperatorLoginFailed.yaml
eventGroupingSettings:
  aggregationKind: SingleAlert
relevantTechniques:
- T1110
id: B1DB8B7E-9D74-48C3-9683-74483CBEFF4E
severity: High
requiredDataConnectors:
- connectorId: VersasecCms
  dataTypes:
  - VersasecCmsSysLogs
status: Available
description: |
    Detects when Operator login failed to often.
queryFrequency: 5m

ARM