Cisco WSA - Unscannable file or scan error

CiscoWSAEvent
| where isnotempty(AmpFileName)
| where AmpScanningVerdict in ('2', '3')
| extend IPCustomEntity = SrcIpAddr, FileCustomEntity = AmpFileName, AccountCustomEntity = SrcUserName

relevantTechniques:
- T1189
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CiscoWSA/Analytic Rules/CiscoWSAUnscannableFile.yaml
triggerOperator: gt
kind: Scheduled
entityMappings:
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
- fieldMappings:
  - columnName: FileCustomEntity
    identifier: Name
  entityType: File
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
requiredDataConnectors:
- dataTypes:
  - CiscoWSAEvent
  connectorId: CiscoWSA
queryPeriod: 1h
query: |
  CiscoWSAEvent
  | where isnotempty(AmpFileName)
  | where AmpScanningVerdict in ('2', '3')
  | extend IPCustomEntity = SrcIpAddr, FileCustomEntity = AmpFileName, AccountCustomEntity = SrcUserName  
version: 1.0.0
description: |
    'Detects unscanned downloaded file.'
tactics:
- InitialAccess
severity: Medium
name: Cisco WSA - Unscannable file or scan error
queryFrequency: 1h
triggerThreshold: 0
status: Available
id: 9b61a945-ebcb-4245-b6e4-51f3addb5248

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/9b61a945-ebcb-4245-b6e4-51f3addb5248')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9b61a945-ebcb-4245-b6e4-51f3addb5248')]",
      "properties": {
        "alertRuleTemplateName": "9b61a945-ebcb-4245-b6e4-51f3addb5248",
        "customDetails": null,
        "description": "'Detects unscanned downloaded file.'\n",
        "displayName": "Cisco WSA - Unscannable file or scan error",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "File",
            "fieldMappings": [
              {
                "columnName": "FileCustomEntity",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CiscoWSA/Analytic Rules/CiscoWSAUnscannableFile.yaml",
        "query": "CiscoWSAEvent\n| where isnotempty(AmpFileName)\n| where AmpScanningVerdict in ('2', '3')\n| extend IPCustomEntity = SrcIpAddr, FileCustomEntity = AmpFileName, AccountCustomEntity = SrcUserName\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1189"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}