Ransom Protect User Blocked

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Id	d5d4766b-e547-44da-9d85-48ff393db201
Rulename	Ransom Protect User Blocked
Description	Detects malicious users blocked by CTERA Ransom Protect AI engine.
Severity	High
Tactics	Impact
Techniques	T1486
Required data connectors	CTERA
Kind	NRT
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTERA/Analytic Rules/RansomwareUserBlocked.yaml
Version	1.0.2
Arm template	d5d4766b-e547-44da-9d85-48ff393db201.json

KQL

Syslog
| where SyslogMessage contains "Ransom Protect mechanism blocked"
| extend 
    Portal = extract("portal:(\\w+)", 1, SyslogMessage),
    EdgeFiler = extract("Edge Filer:(\\w+-\\d+)", 1, SyslogMessage),
    IP = extract("IP:([0-9.]+)", 1, SyslogMessage),
    User = extract("user:(\\w+)", 1, SyslogMessage),
    BlockedTime = extract("at ([^ ]+)", 1, SyslogMessage)
| project TimeGenerated, Portal, EdgeFiler, IP, User, BlockedTime

YAML

suppressionEnabled: false
severity: High
alertDetailsOverride:
  alertDescriptionFormat: CTERA Ransom Protect blocked a malicious user at {{TimeGenerated}}.
  alertnameFormat: CTERA Ransom Protect User Blocked
description: Detects malicious users blocked by CTERA Ransom Protect AI engine.
version: 1.0.2
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTERA/Analytic Rules/RansomwareUserBlocked.yaml
requiredDataConnectors:
- dataTypes:
  - Syslog
  connectorId: CTERA
suppressionDuration: PT5H
incidentConfiguration:
  groupingConfiguration:
    enabled: false
    matchingMethod: AllEntities
    reopenClosedIncident: false
    lookbackDuration: PT5H
  createIncident: true
name: Ransom Protect User Blocked
id: d5d4766b-e547-44da-9d85-48ff393db201
relevantTechniques:
- T1486
tactics:
- Impact
customDetails:
  EdgeFiler: EdgeFiler
eventGroupingSettings:
  aggregationKind: SingleAlert
query: |
  Syslog
  | where SyslogMessage contains "Ransom Protect mechanism blocked"
  | extend 
      Portal = extract("portal:(\\w+)", 1, SyslogMessage),
      EdgeFiler = extract("Edge Filer:(\\w+-\\d+)", 1, SyslogMessage),
      IP = extract("IP:([0-9.]+)", 1, SyslogMessage),
      User = extract("user:(\\w+)", 1, SyslogMessage),
      BlockedTime = extract("at ([^ ]+)", 1, SyslogMessage)
  | project TimeGenerated, Portal, EdgeFiler, IP, User, BlockedTime  
status: Available
kind: NRT
entityMappings:
- fieldMappings:
  - columnName: User
    identifier: FullName
  entityType: Account
- fieldMappings:
  - columnName: IP
    identifier: Address
  entityType: IP

ARM