iboss - Malware Detected

ibossUrlEvent
| where MalwareDetected == 1
| extend FileHashAlgorithm = "SHA256"
| project EventTime, SrcUsername, Url, Domain, SrcIpAddr, DstIpAddr, FileSHA256, FileHashAlgorithm,DvcAction, UrlCategory, HttpUserAgent

name: iboss - Malware Detected
triggerOperator: gt
query: |
  ibossUrlEvent
  | where MalwareDetected == 1
  | extend FileHashAlgorithm = "SHA256"
  | project EventTime, SrcUsername, Url, Domain, SrcIpAddr, DstIpAddr, FileSHA256, FileHashAlgorithm,DvcAction, UrlCategory, HttpUserAgent
queryFrequency: 1h
description: |
  Identifies web traffic where the iboss platform flagged malware. A populated MalwareDetected flag indicates the gateway detected a malicious file or payload associated with the request. Surfaces the destination, user, and other details to support triage.
id: cad35734-b97a-4209-9269-b98c916379eb
triggerThreshold: 0
queryPeriod: 1h
version: 1.0.0
kind: Scheduled
status: Available
severity: High
requiredDataConnectors:
- connectorId: ibossAma
  dataTypes:
  - CommonSecurityLog
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/iboss/Analytic%20Rules/ibossMalwareDetected.yaml
relevantTechniques:
- T1204
tactics:
- Execution
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: SrcUsername
  entityType: Account
- fieldMappings:
  - identifier: Address
    columnName: SrcIpAddr
  entityType: IP
- fieldMappings:
  - identifier: Url
    columnName: Url
  entityType: URL
- fieldMappings:
  - identifier: Algorithm
    columnName: FileHashAlgorithm
  - identifier: Value
    columnName: FileSHA256
  entityType: FileHash

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/cad35734-b97a-4209-9269-b98c916379eb')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/cad35734-b97a-4209-9269-b98c916379eb')]",
      "properties": {
        "alertRuleTemplateName": "cad35734-b97a-4209-9269-b98c916379eb",
        "customDetails": null,
        "description": "Identifies web traffic where the iboss platform flagged malware. A populated MalwareDetected flag indicates the gateway detected a malicious file or payload associated with the request. Surfaces the destination, user, and other details to support triage.\n",
        "displayName": "iboss - Malware Detected",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "SrcUsername",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SrcIpAddr",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "Url",
                "identifier": "Url"
              }
            ]
          },
          {
            "entityType": "FileHash",
            "fieldMappings": [
              {
                "columnName": "FileHashAlgorithm",
                "identifier": "Algorithm"
              },
              {
                "columnName": "FileSHA256",
                "identifier": "Value"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/iboss/Analytic%20Rules/ibossMalwareDetected.yaml",
        "query": "ibossUrlEvent\n| where MalwareDetected == 1\n| extend FileHashAlgorithm = \"SHA256\"\n| project EventTime, SrcUsername, Url, Domain, SrcIpAddr, DstIpAddr, FileSHA256, FileHashAlgorithm,DvcAction, UrlCategory, HttpUserAgent\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Execution"
        ],
        "techniques": [
          "T1204"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}