[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

severity: High
relevantTechniques:
- T1203
queryFrequency: 1d
kind: Scheduled
version: 2.0.0
name: '[Deprecated] - Denim Tsunami AV Detection'
triggerOperator: gt
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    'This query has been deprecated as the associated IoCs (Indicators of Compromise) are outdated and no longer relevant.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'
queryPeriod: 1d
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  
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: DeviceName
    identifier: HostName
tactics:
- Execution
status: Available
triggerThreshold: 0
tags:
- Denim Tsunami
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Deprecated Analytic Rules/DenimTsunamiAVDetection.yaml
id: 9f9c1e51-4fb1-4510-a675-c7c2fb32f47e
requiredDataConnectors:
- dataTypes:
  - DeviceInfo
  connectorId: MicrosoftThreatProtection
- dataTypes:
  - SecurityEvent
  connectorId: SecurityEvents

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-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 IOC based Threat Protection/Deprecated Analytic Rules/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",
        "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"
    }
  ]
}