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
Tactics	Impact
Techniques	T1486
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	1.0.1
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

tactics:
- Impact
name: Malware Activity Detected
id: 9a7c80ef-8dc2-4b07-834d-b9ca18d603f7
requiredDataConnectors:
- connectorId: Syslog
  dataTypes:
  - Syslog
- connectorId: SyslogAma
  dataTypes:
  - Syslog
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  
eventGroupingSettings:
  aggregationKind: AlertPerResult
relevantTechniques:
- T1486
description: Detects when restore points marked as suspicious. This might indicate potential compromise of backup data.
triggerOperator: gt
queryPeriod: 5m
severity: High
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Veeam/Analytic Rules/Malware_Activity_Detected.yaml
version: 1.0.1
triggerThreshold: 0
kind: Scheduled
queryFrequency: 5m
status: Available
customDetails:
  VbrHostName: DataSource
  MachineDisplayName: MachineDisplayName
  EventId: EventId
  Severity: Severity
  MachineUuid: MachineUuid
  Date: Date
  MessageDetails: MessageDetails

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": [
          "Impact"
        ],
        "techniques": [
          "T1486"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}