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

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VersasecCMS/Analytic Rules/VersasecCmsOperatorLoginFailed.yaml
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:
  - identifier: FullName
    columnName: ComputerName
kind: Scheduled
triggerOperator: gt
requiredDataConnectors:
- dataTypes:
  - VersasecCmsSysLogs
  connectorId: VersasecCms
tactics:
- CredentialAccess
triggerThreshold: 5
description: |
    Detects when Operator login failed to often.
queryPeriod: 1h
version: 1.0.1
queryFrequency: 5m
severity: High
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    reopenClosedIncident: false
    lookbackDuration: 5m
    matchingMethod: AllEntities
    enabled: false
name: Versasec CMS - Multiple Failed Login Attempts
id: B1DB8B7E-9D74-48C3-9683-74483CBEFF4E
eventGroupingSettings:
  aggregationKind: SingleAlert
status: Available
relevantTechniques:
- T1110

ARM