Votiro - File Blocked from Connector

let Votiro_view  = view () { VotiroEvents | where sanitizationResult has "Blocked" and passwordProtected == "false" and from =~ "null" | extend FileWithConnectorDetails = strcat_delim(' ', fileName, 'with the hash', SrcFileSHA256, 'that was sent from connector', connectorName) | summarize count() by fileName, SrcFileSHA256, FileWithConnectorDetails, policyName, tostring(incidentURL), sanitizationResult, LogSeverity | extend FileHashAlgo = "SHA256", FileHashValue = SrcFileSHA256};Votiro_view

severity: Low
name: Votiro - File Blocked from Connector
incidentConfiguration:
  createIncident: true
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: Votiro
alertDetailsOverride:
  alertSeverityColumnName: LogSeverity
  alertTacticsColumnName: sanitizationResult
  alertDescriptionFormat: The {{FileWithConnectorDetails}} was blocked by Votiro due to Policy rules, see more detail in the following link {{incidentURL}}
  alertDisplayNameFormat: File with hash {{SrcFileSHA256}} was blocked
id: 17bf3780-ae0d-4cd9-a884-5df8b687f3f5
tactics:
- DefenseEvasion
- Discovery
- Impact
queryFrequency: 10m
eventGroupingSettings:
  aggregationKind: AlertPerResult
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Votiro/Analytic Rules/VotiroFileBlockedFromConnector.yaml
description: |
    'The analytic rule is intended to detect when a file is blocked by Votiro Sanitization Engine due to a specific policy, and notify the appropriate parties so that they can take appropriate action. The alert message will state that a file with a specific name and hash value was blocked by Votiro Sanatization Engine due to a specific policy name, and that more details can be found at a specific incident URL.'
triggerThreshold: 0
kind: Scheduled
relevantTechniques:
- T1036
- T1083
- T1057
- T1082
- T1565
- T1498
- T0837
query: let Votiro_view  = view () { VotiroEvents | where sanitizationResult has "Blocked" and passwordProtected == "false" and from =~ "null" | extend FileWithConnectorDetails = strcat_delim(' ', fileName, 'with the hash', SrcFileSHA256, 'that was sent from connector', connectorName) | summarize count() by fileName, SrcFileSHA256, FileWithConnectorDetails, policyName, tostring(incidentURL), sanitizationResult, LogSeverity | extend FileHashAlgo = "SHA256", FileHashValue = SrcFileSHA256};Votiro_view
entityMappings:
- entityType: FileHash
  fieldMappings:
  - columnName: FileHashAlgo
    identifier: Algorithm
  - columnName: FileHashValue
    identifier: Value
version: 1.0.0
queryPeriod: 10m

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/17bf3780-ae0d-4cd9-a884-5df8b687f3f5')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/17bf3780-ae0d-4cd9-a884-5df8b687f3f5')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01-preview",
      "properties": {
        "displayName": "Votiro - File Blocked from Connector",
        "description": "'The analytic rule is intended to detect when a file is blocked by Votiro Sanitization Engine due to a specific policy, and notify the appropriate parties so that they can take appropriate action. The alert message will state that a file with a specific name and hash value was blocked by Votiro Sanatization Engine due to a specific policy name, and that more details can be found at a specific incident URL.'\n",
        "severity": "Low",
        "enabled": true,
        "query": "let Votiro_view  = view () { VotiroEvents | where sanitizationResult has \"Blocked\" and passwordProtected == \"false\" and from =~ \"null\" | extend FileWithConnectorDetails = strcat_delim(' ', fileName, 'with the hash', SrcFileSHA256, 'that was sent from connector', connectorName) | summarize count() by fileName, SrcFileSHA256, FileWithConnectorDetails, policyName, tostring(incidentURL), sanitizationResult, LogSeverity | extend FileHashAlgo = \"SHA256\", FileHashValue = SrcFileSHA256};Votiro_view",
        "queryFrequency": "PT10M",
        "queryPeriod": "PT10M",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion",
          "Discovery",
          "Impact"
        ],
        "techniques": [
          "T1036",
          "T1083",
          "T1057",
          "T1082",
          "T1565",
          "T1498",
          "T0837"
        ],
        "alertRuleTemplateName": "17bf3780-ae0d-4cd9-a884-5df8b687f3f5",
        "incidentConfiguration": {
          "createIncident": true
        },
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "alertDetailsOverride": {
          "alertSeverityColumnName": "LogSeverity",
          "alertTacticsColumnName": "sanitizationResult",
          "alertDescriptionFormat": "The {{FileWithConnectorDetails}} was blocked by Votiro due to Policy rules, see more detail in the following link {{incidentURL}}",
          "alertDisplayNameFormat": "File with hash {{SrcFileSHA256}} was blocked"
        },
        "customDetails": null,
        "entityMappings": [
          {
            "fieldMappings": [
              {
                "identifier": "Algorithm",
                "columnName": "FileHashAlgo"
              },
              {
                "identifier": "Value",
                "columnName": "FileHashValue"
              }
            ],
            "entityType": "FileHash"
          }
        ],
        "templateVersion": "1.0.0",
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Votiro/Analytic Rules/VotiroFileBlockedFromConnector.yaml"
      }
    }
  ]
}