Known Malware Detected

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Id	9f86885f-f31f-4e66-a39d-352771ee789e
Rulename	Known Malware Detected
Description	This creates an incident when a known Malware is detected on a endpoint managed by a Carbon Black.
Severity	Medium
Tactics	Execution
Techniques	T1204
Required data connectors	VMwareCarbonBlack
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/VMware Carbon Black Cloud/Analytic Rules/KnownMalwareDetected.yaml
Version	1.0.1
Arm template	9f86885f-f31f-4e66-a39d-352771ee789e.json

KQL

CarbonBlackEvents_CL
| extend eventTime = datetime(1970-01-01) + tolong(eventTime_d/1000) * 1sec
| where targetApp_effectiveReputation_s =~ "KNOWN_MALWARE"
| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by eventTime, deviceDetails_deviceName_s, deviceDetails_deviceIpAddress_s, processDetails_fullUserName_s, processDetails_targetName_s
| extend timestamp = StartTime, AccountCustomEntity = processDetails_fullUserName_s, HostCustomEntity = deviceDetails_deviceName_s, IPCustomEntity = deviceDetails_deviceIpAddress_s

YAML

relevantTechniques:
- T1204
name: Known Malware Detected
requiredDataConnectors:
- dataTypes:
  - CarbonBlackEvents_CL
  connectorId: VMwareCarbonBlack
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
  entityType: Account
- fieldMappings:
  - identifier: FullName
    columnName: HostCustomEntity
  entityType: Host
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
triggerThreshold: 0
id: 9f86885f-f31f-4e66-a39d-352771ee789e
tactics:
- Execution
version: 1.0.1
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware Carbon Black Cloud/Analytic Rules/KnownMalwareDetected.yaml
queryPeriod: 1h
kind: Scheduled
queryFrequency: 1h
severity: Medium
status: Available
description: |
    'This creates an incident when a known Malware is detected on a endpoint managed by a Carbon Black.'
query: |
  CarbonBlackEvents_CL
  | extend eventTime = datetime(1970-01-01) + tolong(eventTime_d/1000) * 1sec
  | where targetApp_effectiveReputation_s =~ "KNOWN_MALWARE"
  | summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by eventTime, deviceDetails_deviceName_s, deviceDetails_deviceIpAddress_s, processDetails_fullUserName_s, processDetails_targetName_s
  | extend timestamp = StartTime, AccountCustomEntity = processDetails_fullUserName_s, HostCustomEntity = deviceDetails_deviceName_s, IPCustomEntity = deviceDetails_deviceIpAddress_s  
triggerOperator: gt

ARM

{
  "$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/9f86885f-f31f-4e66-a39d-352771ee789e')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9f86885f-f31f-4e66-a39d-352771ee789e')]",
      "properties": {
        "alertRuleTemplateName": "9f86885f-f31f-4e66-a39d-352771ee789e",
        "customDetails": null,
        "description": "'This creates an incident when a known Malware is detected on a endpoint managed by a Carbon Black.'\n",
        "displayName": "Known Malware Detected",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "HostCustomEntity",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMware Carbon Black Cloud/Analytic Rules/KnownMalwareDetected.yaml",
        "query": "CarbonBlackEvents_CL\n| extend eventTime = datetime(1970-01-01) + tolong(eventTime_d/1000) * 1sec\n| where targetApp_effectiveReputation_s =~ \"KNOWN_MALWARE\"\n| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by eventTime, deviceDetails_deviceName_s, deviceDetails_deviceIpAddress_s, processDetails_fullUserName_s, processDetails_targetName_s\n| extend timestamp = StartTime, AccountCustomEntity = processDetails_fullUserName_s, HostCustomEntity = deviceDetails_deviceName_s, IPCustomEntity = deviceDetails_deviceIpAddress_s\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Execution"
        ],
        "techniques": [
          "T1204"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}