[Deprecated] - Denim Tsunami AV Detection

let knotweed_sigs = dynamic(["JumplumpDropper", "Jumplump", "Corelump", "Medcerc", "SuspModuleLoad", "Mexlib"]);
  let mde_data = (DeviceInfo
    | extend DeviceName = tolower(DeviceName)
    | join kind=rightouter ( SecurityAlert
    | where ProviderName =~ "MDATP"
    | extend ThreatName = tostring(parse_json(ExtendedProperties).ThreatName)
    | extend ThreatFamilyName = tostring(parse_json(ExtendedProperties).ThreatFamilyName)
    | where ThreatFamilyName in~ (knotweed_sigs)
    | extend CompromisedEntity = tolower(CompromisedEntity)
    ) on $left.DeviceName == $right.CompromisedEntity);
  let event_data = ( Event
    | where EventID in (1006, 1009, 1116, 1119)
    | extend ThreatData = parse_json(tostring(parse_json(tostring(parse_json(tostring(parse_xml(EventData).DataItem)).EventData)).Data))
    | mv-expand ThreatData
    | where tostring(ThreatData.["@Name"]) == "Threat Name"
    | extend EventData = parse_xml(EventData)
    | where tostring(ThreatData.["#text"]) has_any (knotweed_sigs));
  union mde_data, event_data
  | extend ThreatName = iif(isnotempty(ThreatName), ThreatName, tostring(ThreatData.["#text"]))
  | extend ThreatFamilyName = iif(isnotempty(ThreatFamilyName), ThreatFamilyName, split(tostring(ThreatData.["#text"]), "/")[-1])
  | extend TimeGenerated = iif(isnotempty(TimeGenerated), TimeGenerated, TimeGenerated1)
  | extend DeviceName = iif(isnotempty(DeviceName), DeviceName, Computer)
  | project-reorder TimeGenerated, CompromisedEntity, ThreatName, ThreatFamilyName

status: Available
query: |
  let knotweed_sigs = dynamic(["JumplumpDropper", "Jumplump", "Corelump", "Medcerc", "SuspModuleLoad", "Mexlib"]);
    let mde_data = (DeviceInfo
      | extend DeviceName = tolower(DeviceName)
      | join kind=rightouter ( SecurityAlert
      | where ProviderName =~ "MDATP"
      | extend ThreatName = tostring(parse_json(ExtendedProperties).ThreatName)
      | extend ThreatFamilyName = tostring(parse_json(ExtendedProperties).ThreatFamilyName)
      | where ThreatFamilyName in~ (knotweed_sigs)
      | extend CompromisedEntity = tolower(CompromisedEntity)
      ) on $left.DeviceName == $right.CompromisedEntity);
    let event_data = ( Event
      | where EventID in (1006, 1009, 1116, 1119)
      | extend ThreatData = parse_json(tostring(parse_json(tostring(parse_json(tostring(parse_xml(EventData).DataItem)).EventData)).Data))
      | mv-expand ThreatData
      | where tostring(ThreatData.["@Name"]) == "Threat Name"
      | extend EventData = parse_xml(EventData)
      | where tostring(ThreatData.["#text"]) has_any (knotweed_sigs));
    union mde_data, event_data
    | extend ThreatName = iif(isnotempty(ThreatName), ThreatName, tostring(ThreatData.["#text"]))
    | extend ThreatFamilyName = iif(isnotempty(ThreatFamilyName), ThreatFamilyName, split(tostring(ThreatData.["#text"]), "/")[-1])
    | extend TimeGenerated = iif(isnotempty(TimeGenerated), TimeGenerated, TimeGenerated1)
    | extend DeviceName = iif(isnotempty(DeviceName), DeviceName, Computer)
    | project-reorder TimeGenerated, CompromisedEntity, ThreatName, ThreatFamilyName
queryPeriod: 1d
relevantTechniques:
- T1203
entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: DeviceName
id: 9f9c1e51-4fb1-4510-a675-c7c2fb32f47e
requiredDataConnectors:
- dataTypes:
  - DeviceInfo
  connectorId: MicrosoftThreatProtection
- dataTypes:
  - SecurityEvent
  connectorId: SecurityEvents
tactics:
- Execution
triggerOperator: gt
name: '[Deprecated] - Denim Tsunami AV Detection'
triggerThreshold: 0
severity: High
tags:
- Denim Tsunami
description: |
  'This query has been deprecated as the associated IoCs (Indicators of Compromise) are outdated and no longer relevant. To ensure effective threat detection, it is recommended to implement Microsoft's Threat Intelligence solution, which enables matching your log data with the most up-to-date IoCs generated by Microsoft. This solution can be installed from the Microsoft Sentinel Content Hub if not currently deployed. More details on the Content Hub can be found here: https://learn.microsoft.com/azure/sentinel/sentinel-solutions-deploy'
version: 2.0.0
queryFrequency: 1d
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy%20IOC%20based%20Threat%20Protection/Deprecated%20Analytic%20Rules/DenimTsunamiAVDetection.yaml
kind: Scheduled

{
  "$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/9f9c1e51-4fb1-4510-a675-c7c2fb32f47e')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9f9c1e51-4fb1-4510-a675-c7c2fb32f47e')]",
      "properties": {
        "alertRuleTemplateName": "9f9c1e51-4fb1-4510-a675-c7c2fb32f47e",
        "customDetails": null,
        "description": "'This query has been deprecated as the associated IoCs (Indicators of Compromise) are outdated and no longer relevant. To ensure effective threat detection, it is recommended to implement Microsoft's Threat Intelligence solution, which enables matching your log data with the most up-to-date IoCs generated by Microsoft. This solution can be installed from the Microsoft Sentinel Content Hub if not currently deployed. More details on the Content Hub can be found here: https://learn.microsoft.com/azure/sentinel/sentinel-solutions-deploy'\n",
        "displayName": "[Deprecated] - Denim Tsunami AV Detection",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "DeviceName",
                "identifier": "HostName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy%20IOC%20based%20Threat%20Protection/Deprecated%20Analytic%20Rules/DenimTsunamiAVDetection.yaml",
        "query": "let knotweed_sigs = dynamic([\"JumplumpDropper\", \"Jumplump\", \"Corelump\", \"Medcerc\", \"SuspModuleLoad\", \"Mexlib\"]);\n  let mde_data = (DeviceInfo\n    | extend DeviceName = tolower(DeviceName)\n    | join kind=rightouter ( SecurityAlert\n    | where ProviderName =~ \"MDATP\"\n    | extend ThreatName = tostring(parse_json(ExtendedProperties).ThreatName)\n    | extend ThreatFamilyName = tostring(parse_json(ExtendedProperties).ThreatFamilyName)\n    | where ThreatFamilyName in~ (knotweed_sigs)\n    | extend CompromisedEntity = tolower(CompromisedEntity)\n    ) on $left.DeviceName == $right.CompromisedEntity);\n  let event_data = ( Event\n    | where EventID in (1006, 1009, 1116, 1119)\n    | extend ThreatData = parse_json(tostring(parse_json(tostring(parse_json(tostring(parse_xml(EventData).DataItem)).EventData)).Data))\n    | mv-expand ThreatData\n    | where tostring(ThreatData.[\"@Name\"]) == \"Threat Name\"\n    | extend EventData = parse_xml(EventData)\n    | where tostring(ThreatData.[\"#text\"]) has_any (knotweed_sigs));\n  union mde_data, event_data\n  | extend ThreatName = iif(isnotempty(ThreatName), ThreatName, tostring(ThreatData.[\"#text\"]))\n  | extend ThreatFamilyName = iif(isnotempty(ThreatFamilyName), ThreatFamilyName, split(tostring(ThreatData.[\"#text\"]), \"/\")[-1])\n  | extend TimeGenerated = iif(isnotempty(TimeGenerated), TimeGenerated, TimeGenerated1)\n  | extend DeviceName = iif(isnotempty(DeviceName), DeviceName, Computer)\n  | project-reorder TimeGenerated, CompromisedEntity, ThreatName, ThreatFamilyName\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Execution"
        ],
        "tags": [
          "Denim Tsunami"
        ],
        "techniques": [
          "T1203"
        ],
        "templateVersion": "2.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}