Claroty - Multiple failed logins by user

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Id	4b5bb3fc-c690-4f54-9a74-016213d699b4
Rulename	Claroty - Multiple failed logins by user
Description	Detects multiple failed logins by same user.
Severity	High
Tactics	InitialAccess
Techniques	T1190 T1133
Required data connectors	CefAma
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/Claroty/Analytic Rules/ClarotyMultipleFailedLogin.yaml
Version	1.0.3
Arm template	4b5bb3fc-c690-4f54-9a74-016213d699b4.json

KQL

let threshold = 5;
ClarotyEvent
| where EventType has 'Login to SRA'
| where EventType !has 'succeeded'
| extend SrcUsername = extract(@'User\s(.*?)\sfailed', 1, EventMessage)
| summarize count() by SrcUsername, bin(TimeGenerated, 5m)
| where count_ > threshold
| extend AccountCustomEntity = SrcUsername

YAML

relevantTechniques:
- T1190
- T1133
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
triggerThreshold: 0
description: |
    'Detects multiple failed logins by same user.'
requiredDataConnectors:
- connectorId: CefAma
  dataTypes:
  - CommonSecurityLog
triggerOperator: gt
version: 1.0.3
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotyMultipleFailedLogin.yaml
id: 4b5bb3fc-c690-4f54-9a74-016213d699b4
queryFrequency: 1h
query: |
  let threshold = 5;
  ClarotyEvent
  | where EventType has 'Login to SRA'
  | where EventType !has 'succeeded'
  | extend SrcUsername = extract(@'User\s(.*?)\sfailed', 1, EventMessage)
  | summarize count() by SrcUsername, bin(TimeGenerated, 5m)
  | where count_ > threshold
  | extend AccountCustomEntity = SrcUsername  
severity: High
status: Available
queryPeriod: 1h
name: Claroty - Multiple failed logins by user
tactics:
- InitialAccess
kind: Scheduled

ARM