[Deprecated] - Denim Tsunami C2 Domains July 2022

let DomainNames = dynamic(["acrobatrelay.com", "finconsult.cc", "realmetaldns.com"]); 
(union isfuzzy=true 
(CommonSecurityLog  
| parse Message with * '(' DNSName ')' *  
| where DNSName in~ (DomainNames) 
| extend Account = SourceUserID, Computer = DeviceName, IPAddress =  DestinationIP 
), 
(_Im_Dns (domain_has_any=DomainNames)
| extend DNSName = DnsQuery 
| extend IPAddress =  SrcIpAddr, Computer = Dvc
), 
(_Im_WebSession (url_has_any=DomainNames)
| extend DNSName = tostring(parse_url(Url)["Host"])
| extend IPAddress =  SrcIpAddr, Computer = Dvc
), 
(VMConnection  
| parse RemoteDnsCanonicalNames with * '["' DNSName '"]' * 
| where isnotempty(DNSName) 
| where DNSName  in~ (DomainNames) 
| extend IPAddress = RemoteIp 
), 
( 
 DeviceNetworkEvents 
| where isnotempty(RemoteUrl) 
| where RemoteUrl  has_any (DomainNames)  
| extend IPAddress = RemoteIP 
| extend Computer = DeviceName 
),
(AzureDiagnostics 
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallApplicationRule"
| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
| where isnotempty(DestinationHost)
| where DestinationHost has_any (DomainNames)  
| extend DNSName = DestinationHost 
| extend IPAddress = SourceHost
) 
) 
| extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, IPCustomEntity = IPAddress 

version: 2.0.0
tags:
- Denim Tsunami
relevantTechniques:
- T1071
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    'This query has been deprecated as the associated IoCs (Indicators of Compromise) are outdated and no longer relevant.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'
requiredDataConnectors:
- connectorId: AzureMonitor(VMInsights)
  dataTypes:
  - VMConnection
- connectorId: DNS
  dataTypes:
  - DnsEvents
- connectorId: MicrosoftThreatProtection
  dataTypes:
  - DeviceNetworkEvents
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
  entityType: Account
- fieldMappings:
  - identifier: HostName
    columnName: HostCustomEntity
  entityType: Host
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
triggerThreshold: 0
id: ce02935c-cc67-4b77-9b96-93d9947e119a
tactics:
- CommandAndControl
queryPeriod: 1d
query: |
  let DomainNames = dynamic(["acrobatrelay.com", "finconsult.cc", "realmetaldns.com"]); 
  (union isfuzzy=true 
  (CommonSecurityLog  
  | parse Message with * '(' DNSName ')' *  
  | where DNSName in~ (DomainNames) 
  | extend Account = SourceUserID, Computer = DeviceName, IPAddress =  DestinationIP 
  ), 
  (_Im_Dns (domain_has_any=DomainNames)
  | extend DNSName = DnsQuery 
  | extend IPAddress =  SrcIpAddr, Computer = Dvc
  ), 
  (_Im_WebSession (url_has_any=DomainNames)
  | extend DNSName = tostring(parse_url(Url)["Host"])
  | extend IPAddress =  SrcIpAddr, Computer = Dvc
  ), 
  (VMConnection  
  | parse RemoteDnsCanonicalNames with * '["' DNSName '"]' * 
  | where isnotempty(DNSName) 
  | where DNSName  in~ (DomainNames) 
  | extend IPAddress = RemoteIp 
  ), 
  ( 
   DeviceNetworkEvents 
  | where isnotempty(RemoteUrl) 
  | where RemoteUrl  has_any (DomainNames)  
  | extend IPAddress = RemoteIP 
  | extend Computer = DeviceName 
  ),
  (AzureDiagnostics 
  | where ResourceType == "AZUREFIREWALLS"
  | where Category == "AzureFirewallApplicationRule"
  | parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
  | where isnotempty(DestinationHost)
  | where DestinationHost has_any (DomainNames)  
  | extend DNSName = DestinationHost 
  | extend IPAddress = SourceHost
  ) 
  ) 
  | extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, IPCustomEntity = IPAddress   
severity: High
name: '[Deprecated] - Denim Tsunami C2 Domains July 2022'
kind: Scheduled
queryFrequency: 1d
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Deprecated Analytic Rules/DenimTsunamiC2DomainsJuly2022.yaml
triggerOperator: gt
status: Available

{
  "$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/ce02935c-cc67-4b77-9b96-93d9947e119a')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/ce02935c-cc67-4b77-9b96-93d9947e119a')]",
      "properties": {
        "alertRuleTemplateName": "ce02935c-cc67-4b77-9b96-93d9947e119a",
        "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 C2 Domains July 2022",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "HostCustomEntity",
                "identifier": "HostName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Deprecated Analytic Rules/DenimTsunamiC2DomainsJuly2022.yaml",
        "query": "let DomainNames = dynamic([\"acrobatrelay.com\", \"finconsult.cc\", \"realmetaldns.com\"]); \n(union isfuzzy=true \n(CommonSecurityLog  \n| parse Message with * '(' DNSName ')' *  \n| where DNSName in~ (DomainNames) \n| extend Account = SourceUserID, Computer = DeviceName, IPAddress =  DestinationIP \n), \n(_Im_Dns (domain_has_any=DomainNames)\n| extend DNSName = DnsQuery \n| extend IPAddress =  SrcIpAddr, Computer = Dvc\n), \n(_Im_WebSession (url_has_any=DomainNames)\n| extend DNSName = tostring(parse_url(Url)[\"Host\"])\n| extend IPAddress =  SrcIpAddr, Computer = Dvc\n), \n(VMConnection  \n| parse RemoteDnsCanonicalNames with * '[\"' DNSName '\"]' * \n| where isnotempty(DNSName) \n| where DNSName  in~ (DomainNames) \n| extend IPAddress = RemoteIp \n), \n( \n DeviceNetworkEvents \n| where isnotempty(RemoteUrl) \n| where RemoteUrl  has_any (DomainNames)  \n| extend IPAddress = RemoteIP \n| extend Computer = DeviceName \n),\n(AzureDiagnostics \n| where ResourceType == \"AZUREFIREWALLS\"\n| where Category == \"AzureFirewallApplicationRule\"\n| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action\n| where isnotempty(DestinationHost)\n| where DestinationHost has_any (DomainNames)  \n| extend DNSName = DestinationHost \n| extend IPAddress = SourceHost\n) \n) \n| extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, IPCustomEntity = IPAddress \n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl"
        ],
        "tags": [
          "Denim Tsunami"
        ],
        "techniques": [
          "T1071"
        ],
        "templateVersion": "2.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}