Malware Activity Detected

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Id	9a7c80ef-8dc2-4b07-834d-b9ca18d603f7
Rulename	Malware Activity Detected
Description	Detects when restore points marked as suspicious. This might indicate potential compromise of backup data.
Severity	High
Required data connectors	Syslog SyslogAma
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Veeam/Analytic Rules/Malware_Activity_Detected.yaml
Version	1.0.2
Arm template	9a7c80ef-8dc2-4b07-834d-b9ca18d603f7.json

KQL

Veeam_GetSecurityEvents
| where instanceId == 41600
| extend ActivityType = extract("ActivityType=\"([^\"]*)\"", 1, SyslogMessage)
| extend MachineDisplayName = extract("[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\\s*\\(([^)]+)\\)", 1, Description)
| extend MachineUuid = extract("([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})", 1, Description)
| project
    Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),
    DataSource = original_host,
    EventId = instanceId,
    UserName = user,
    ["Malware Detection Method"] = ActivityType,
    MessageDetails = Description,
    Severity = SeverityDescription,
    MachineDisplayName,
    MachineUuid

YAML

kind: Scheduled
eventGroupingSettings:
  aggregationKind: AlertPerResult
description: Detects when restore points marked as suspicious. This might indicate potential compromise of backup data.
severity: High
queryFrequency: 5m
customDetails:
  MessageDetails: MessageDetails
  MachineUuid: MachineUuid
  VbrHostName: DataSource
  MachineDisplayName: MachineDisplayName
  Date: Date
  EventId: EventId
  Severity: Severity
triggerThreshold: 0
relevantTechniques: []
status: Available
tactics: []
name: Malware Activity Detected
id: 9a7c80ef-8dc2-4b07-834d-b9ca18d603f7
query: |
  Veeam_GetSecurityEvents
  | where instanceId == 41600
  | extend ActivityType = extract("ActivityType=\"([^\"]*)\"", 1, SyslogMessage)
  | extend MachineDisplayName = extract("[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\\s*\\(([^)]+)\\)", 1, Description)
  | extend MachineUuid = extract("([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})", 1, Description)
  | project
      Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),
      DataSource = original_host,
      EventId = instanceId,
      UserName = user,
      ["Malware Detection Method"] = ActivityType,
      MessageDetails = Description,
      Severity = SeverityDescription,
      MachineDisplayName,
      MachineUuid  
requiredDataConnectors:
- dataTypes:
  - Syslog
  connectorId: Syslog
- dataTypes:
  - Syslog
  connectorId: SyslogAma
version: 1.0.2
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Veeam/Analytic Rules/Malware_Activity_Detected.yaml
queryPeriod: 5m

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/9a7c80ef-8dc2-4b07-834d-b9ca18d603f7')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9a7c80ef-8dc2-4b07-834d-b9ca18d603f7')]",
      "properties": {
        "alertRuleTemplateName": "9a7c80ef-8dc2-4b07-834d-b9ca18d603f7",
        "customDetails": {
          "Date": "Date",
          "EventId": "EventId",
          "MachineDisplayName": "MachineDisplayName",
          "MachineUuid": "MachineUuid",
          "MessageDetails": "MessageDetails",
          "Severity": "Severity",
          "VbrHostName": "DataSource"
        },
        "description": "Detects when restore points marked as suspicious. This might indicate potential compromise of backup data.",
        "displayName": "Malware Activity Detected",
        "enabled": true,
        "entityMappings": null,
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Veeam/Analytic Rules/Malware_Activity_Detected.yaml",
        "query": "Veeam_GetSecurityEvents\n| where instanceId == 41600\n| extend ActivityType = extract(\"ActivityType=\\\"([^\\\"]*)\\\"\", 1, SyslogMessage)\n| extend MachineDisplayName = extract(\"[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\\\\s*\\\\(([^)]+)\\\\)\", 1, Description)\n| extend MachineUuid = extract(\"([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})\", 1, Description)\n| project\n    Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),\n    DataSource = original_host,\n    EventId = instanceId,\n    UserName = user,\n    [\"Malware Detection Method\"] = ActivityType,\n    MessageDetails = Description,\n    Severity = SeverityDescription,\n    MachineDisplayName,\n    MachineUuid\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [],
        "techniques": [],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}