[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 

entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: FullName
  entityType: Account
- fieldMappings:
  - columnName: HostCustomEntity
    identifier: HostName
  entityType: Host
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
triggerThreshold: 0
severity: High
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Deprecated Analytic Rules/DenimTsunamiC2DomainsJuly2022.yaml
queryFrequency: 1d
status: Available
tags:
- Denim Tsunami
relevantTechniques:
- T1071
triggerOperator: gt
id: ce02935c-cc67-4b77-9b96-93d9947e119a
requiredDataConnectors:
- connectorId: AzureMonitor(VMInsights)
  dataTypes:
  - VMConnection
- connectorId: DNS
  dataTypes:
  - DnsEvents
- connectorId: MicrosoftThreatProtection
  dataTypes:
  - DeviceNetworkEvents
version: 2.0.0
name: '[Deprecated] - Denim Tsunami C2 Domains July 2022'
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'
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   
tactics:
- CommandAndControl
queryPeriod: 1d
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/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"
    }
  ]
}