Solorigate Network Beacon

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Id	cecdbd4c-4902-403c-8d4b-32eb1efe460b
Rulename	Solorigate Network Beacon
Description	Identifies a match across various data feeds for domains IOCs related to the Solorigate incident. References: https://blogs.microsoft.com/on-the-issues/2020/12/13/customers-protect-nation-state-cyberattacks/, https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html?1
Severity	High
Tactics	CommandAndControl
Techniques	T1102
Required data connectors	AzureFirewall AzureMonitor(VMInsights) CiscoASA CiscoUmbrellaDataConnector Corelight DNS GCPDNSDataConnector InfobloxNIOS MicrosoftThreatProtection NXLogDnsLogs PaloAltoNetworks Zscaler
Kind	Scheduled
Query frequency	6h
Query period	6h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/Solorigate-Network-Beacon.yaml
Version	1.5.1
Arm template	cecdbd4c-4902-403c-8d4b-32eb1efe460b.json

KQL

let domains = dynamic(["incomeupdate.com","zupertech.com","databasegalore.com","panhardware.com","avsvmcloud.com","digitalcollege.org","freescanonline.com","deftsecurity.com","thedoccloud.com","virtualdataserver.com","lcomputers.com","webcodez.com","globalnetworkissues.com","kubecloud.com","seobundlekit.com","solartrackingsystem.net","virtualwebdata.com"]);
(union isfuzzy=true
(CommonSecurityLog 
  | parse Message with * '(' DNSName ')' * 
  | where DNSName in~ (domains) or DestinationHostName has_any (domains) or RequestURL has_any(domains)
  | extend AccountCustomEntity = SourceUserID, HostCustomEntity = DeviceName, IPCustomEntity = SourceIP
  ),
(_Im_Dns (domain_has_any=domains)
  | extend DNSName = DnsQuery
  | extend IPCustomEntity = SrcIpAddr
  ),
(VMConnection 
  | parse RemoteDnsCanonicalNames with * '["' DNSName '"]' *
  | where isnotempty(DNSName)
  | where DNSName in~ (domains)
  | extend IPCustomEntity = RemoteIp
  ),
(DeviceNetworkEvents 
  | where isnotempty(RemoteUrl) 
  | where RemoteUrl  has_any (domains)  
  | extend DNSName = RemoteUrl
  | extend IPCustomEntity = RemoteIP 
  | extend HostCustomEntity = 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 (domains)  
  | extend DNSName = DestinationHost 
  | extend IPCustomEntity = SourceHost
  ),
(AzureDiagnostics
  | where ResourceType == "AZUREFIREWALLS"
  | where Category == "AzureFirewallNetworkRule"
  | where msg_s has_any (domains)
  | parse msg_s with Protocol " request from " SourceIP ":" SourcePortInt:int " to " TargetIP ":" TargetPortInt:int *
  | parse kind=regex flags=U msg_s with * ". Action\\: " Action1a "\\."
  | parse msg_s with * ". Policy: " Policy ". Rule Collection Group: " RuleCollectionGroup "." *
  | parse msg_s with * " Rule Collection: "  RuleCollection ". Rule: " Rule 
  | extend DNSName = TargetIP 
  | extend IPCustomEntity = SourceIP
  ),
(AzureDiagnostics
  | where ResourceType == "AZUREFIREWALLS"
  | where Category == "AzureFirewallDnsProxy"
  | where msg_s has_any (domains)
  | parse msg_s with "DNS Request: " SourceIP ":" SourcePortInt:int " - " QueryID:int " " RequestType " " RequestClass " " hostname ". " protocol " " details
  | extend
      ResponseDuration = extract("[0-9]*.?[0-9]+s$", 0, msg_s),
      SourcePort = tostring(SourcePortInt),
      QueryID =  tostring(QueryID)
  | extend DNSName = hostname
  | extend IPCustomEntity = SourceIP
  | project TimeGenerated,SourceIP,hostname,RequestType,ResponseDuration,details,msg_s
  | order by TimeGenerated
  ),
(AZFWApplicationRule
  | where Fqdn has_any (domains)
  | extend DNSName = Fqdn
  | extend IPCustomEntity = SourceIp
  ),
(AZFWDnsQuery
  | where isnotempty(QueryName)
  | where QueryName has_any (domains)
  | extend DNSName = QueryName
  | extend IPCustomEntity = SourceIp
  )
  )

YAML

queryFrequency: 6h
triggerOperator: gt
tactics:
- CommandAndControl
description: |
  'Identifies a match across various data feeds for domains IOCs related to the Solorigate incident.
   References: https://blogs.microsoft.com/on-the-issues/2020/12/13/customers-protect-nation-state-cyberattacks/, 
   https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html?1'  
status: Available
relevantTechniques:
- T1102
name: Solorigate Network Beacon
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/Solorigate-Network-Beacon.yaml
severity: High
triggerThreshold: 0
version: 1.5.1
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
- entityType: Host
  fieldMappings:
  - identifier: FullName
    columnName: HostCustomEntity
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
- entityType: DNS
  fieldMappings:
  - identifier: DomainName
    columnName: DNSName
tags:
- Solorigate
- NOBELIUM
- Schema: ASIMDns
  SchemaVersion: 0.1.1
id: cecdbd4c-4902-403c-8d4b-32eb1efe460b
requiredDataConnectors:
- connectorId: DNS
  dataTypes:
  - DnsEvents
- connectorId: AzureMonitor(VMInsights)
  dataTypes:
  - VMConnection
- connectorId: CiscoASA
  dataTypes:
  - CommonSecurityLog
- connectorId: PaloAltoNetworks
  dataTypes:
  - CommonSecurityLog
- connectorId: MicrosoftThreatProtection
  dataTypes:
  - DeviceNetworkEvents
- connectorId: AzureFirewall
  dataTypes:
  - AzureDiagnostics
  - AZFWApplicationRule
  - AZFWDnsQuery
- connectorId: Zscaler
  dataTypes:
  - CommonSecurityLog
- connectorId: InfobloxNIOS
  dataTypes:
  - Syslog
- connectorId: GCPDNSDataConnector
  dataTypes:
  - GCP_DNS_CL
- connectorId: NXLogDnsLogs
  dataTypes:
  - NXLog_DNS_Server_CL
- connectorId: CiscoUmbrellaDataConnector
  dataTypes:
  - Cisco_Umbrella_dns_CL
- connectorId: Corelight
  dataTypes:
  - Corelight_CL
kind: Scheduled
query: |
  let domains = dynamic(["incomeupdate.com","zupertech.com","databasegalore.com","panhardware.com","avsvmcloud.com","digitalcollege.org","freescanonline.com","deftsecurity.com","thedoccloud.com","virtualdataserver.com","lcomputers.com","webcodez.com","globalnetworkissues.com","kubecloud.com","seobundlekit.com","solartrackingsystem.net","virtualwebdata.com"]);
  (union isfuzzy=true
  (CommonSecurityLog 
    | parse Message with * '(' DNSName ')' * 
    | where DNSName in~ (domains) or DestinationHostName has_any (domains) or RequestURL has_any(domains)
    | extend AccountCustomEntity = SourceUserID, HostCustomEntity = DeviceName, IPCustomEntity = SourceIP
    ),
  (_Im_Dns (domain_has_any=domains)
    | extend DNSName = DnsQuery
    | extend IPCustomEntity = SrcIpAddr
    ),
  (VMConnection 
    | parse RemoteDnsCanonicalNames with * '["' DNSName '"]' *
    | where isnotempty(DNSName)
    | where DNSName in~ (domains)
    | extend IPCustomEntity = RemoteIp
    ),
  (DeviceNetworkEvents 
    | where isnotempty(RemoteUrl) 
    | where RemoteUrl  has_any (domains)  
    | extend DNSName = RemoteUrl
    | extend IPCustomEntity = RemoteIP 
    | extend HostCustomEntity = 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 (domains)  
    | extend DNSName = DestinationHost 
    | extend IPCustomEntity = SourceHost
    ),
  (AzureDiagnostics
    | where ResourceType == "AZUREFIREWALLS"
    | where Category == "AzureFirewallNetworkRule"
    | where msg_s has_any (domains)
    | parse msg_s with Protocol " request from " SourceIP ":" SourcePortInt:int " to " TargetIP ":" TargetPortInt:int *
    | parse kind=regex flags=U msg_s with * ". Action\\: " Action1a "\\."
    | parse msg_s with * ". Policy: " Policy ". Rule Collection Group: " RuleCollectionGroup "." *
    | parse msg_s with * " Rule Collection: "  RuleCollection ". Rule: " Rule 
    | extend DNSName = TargetIP 
    | extend IPCustomEntity = SourceIP
    ),
  (AzureDiagnostics
    | where ResourceType == "AZUREFIREWALLS"
    | where Category == "AzureFirewallDnsProxy"
    | where msg_s has_any (domains)
    | parse msg_s with "DNS Request: " SourceIP ":" SourcePortInt:int " - " QueryID:int " " RequestType " " RequestClass " " hostname ". " protocol " " details
    | extend
        ResponseDuration = extract("[0-9]*.?[0-9]+s$", 0, msg_s),
        SourcePort = tostring(SourcePortInt),
        QueryID =  tostring(QueryID)
    | extend DNSName = hostname
    | extend IPCustomEntity = SourceIP
    | project TimeGenerated,SourceIP,hostname,RequestType,ResponseDuration,details,msg_s
    | order by TimeGenerated
    ),
  (AZFWApplicationRule
    | where Fqdn has_any (domains)
    | extend DNSName = Fqdn
    | extend IPCustomEntity = SourceIp
    ),
  (AZFWDnsQuery
    | where isnotempty(QueryName)
    | where QueryName has_any (domains)
    | extend DNSName = QueryName
    | extend IPCustomEntity = SourceIp
    )
    )  
queryPeriod: 6h

ARM

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/cecdbd4c-4902-403c-8d4b-32eb1efe460b')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/cecdbd4c-4902-403c-8d4b-32eb1efe460b')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01",
      "properties": {
        "displayName": "Solorigate Network Beacon",
        "description": "'Identifies a match across various data feeds for domains IOCs related to the Solorigate incident.\n References: https://blogs.microsoft.com/on-the-issues/2020/12/13/customers-protect-nation-state-cyberattacks/, \n https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html?1'\n",
        "severity": "High",
        "enabled": true,
        "query": "let domains = dynamic([\"incomeupdate.com\",\"zupertech.com\",\"databasegalore.com\",\"panhardware.com\",\"avsvmcloud.com\",\"digitalcollege.org\",\"freescanonline.com\",\"deftsecurity.com\",\"thedoccloud.com\",\"virtualdataserver.com\",\"lcomputers.com\",\"webcodez.com\",\"globalnetworkissues.com\",\"kubecloud.com\",\"seobundlekit.com\",\"solartrackingsystem.net\",\"virtualwebdata.com\"]);\n(union isfuzzy=true\n(CommonSecurityLog \n  | parse Message with * '(' DNSName ')' * \n  | where DNSName in~ (domains) or DestinationHostName has_any (domains) or RequestURL has_any(domains)\n  | extend AccountCustomEntity = SourceUserID, HostCustomEntity = DeviceName, IPCustomEntity = SourceIP\n  ),\n(_Im_Dns (domain_has_any=domains)\n  | extend DNSName = DnsQuery\n  | extend IPCustomEntity = SrcIpAddr\n  ),\n(VMConnection \n  | parse RemoteDnsCanonicalNames with * '[\"' DNSName '\"]' *\n  | where isnotempty(DNSName)\n  | where DNSName in~ (domains)\n  | extend IPCustomEntity = RemoteIp\n  ),\n(DeviceNetworkEvents \n  | where isnotempty(RemoteUrl) \n  | where RemoteUrl  has_any (domains)  \n  | extend DNSName = RemoteUrl\n  | extend IPCustomEntity = RemoteIP \n  | extend HostCustomEntity = 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 (domains)  \n  | extend DNSName = DestinationHost \n  | extend IPCustomEntity = SourceHost\n  ),\n(AzureDiagnostics\n  | where ResourceType == \"AZUREFIREWALLS\"\n  | where Category == \"AzureFirewallNetworkRule\"\n  | where msg_s has_any (domains)\n  | parse msg_s with Protocol \" request from \" SourceIP \":\" SourcePortInt:int \" to \" TargetIP \":\" TargetPortInt:int *\n  | parse kind=regex flags=U msg_s with * \". Action\\\\: \" Action1a \"\\\\.\"\n  | parse msg_s with * \". Policy: \" Policy \". Rule Collection Group: \" RuleCollectionGroup \".\" *\n  | parse msg_s with * \" Rule Collection: \"  RuleCollection \". Rule: \" Rule \n  | extend DNSName = TargetIP \n  | extend IPCustomEntity = SourceIP\n  ),\n(AzureDiagnostics\n  | where ResourceType == \"AZUREFIREWALLS\"\n  | where Category == \"AzureFirewallDnsProxy\"\n  | where msg_s has_any (domains)\n  | parse msg_s with \"DNS Request: \" SourceIP \":\" SourcePortInt:int \" - \" QueryID:int \" \" RequestType \" \" RequestClass \" \" hostname \". \" protocol \" \" details\n  | extend\n      ResponseDuration = extract(\"[0-9]*.?[0-9]+s$\", 0, msg_s),\n      SourcePort = tostring(SourcePortInt),\n      QueryID =  tostring(QueryID)\n  | extend DNSName = hostname\n  | extend IPCustomEntity = SourceIP\n  | project TimeGenerated,SourceIP,hostname,RequestType,ResponseDuration,details,msg_s\n  | order by TimeGenerated\n  ),\n(AZFWApplicationRule\n  | where Fqdn has_any (domains)\n  | extend DNSName = Fqdn\n  | extend IPCustomEntity = SourceIp\n  ),\n(AZFWDnsQuery\n  | where isnotempty(QueryName)\n  | where QueryName has_any (domains)\n  | extend DNSName = QueryName\n  | extend IPCustomEntity = SourceIp\n  )\n  )\n",
        "queryFrequency": "PT6H",
        "queryPeriod": "PT6H",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl"
        ],
        "techniques": [
          "T1102"
        ],
        "alertRuleTemplateName": "cecdbd4c-4902-403c-8d4b-32eb1efe460b",
        "customDetails": null,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "identifier": "FullName",
                "columnName": "AccountCustomEntity"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "identifier": "FullName",
                "columnName": "HostCustomEntity"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "identifier": "Address",
                "columnName": "IPCustomEntity"
              }
            ]
          },
          {
            "entityType": "DNS",
            "fieldMappings": [
              {
                "identifier": "DomainName",
                "columnName": "DNSName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/Solorigate-Network-Beacon.yaml",
        "status": "Available",
        "tags": [
          "Solorigate",
          "NOBELIUM",
          {
            "Schema": "ASIMDns",
            "SchemaVersion": "0.1.1"
          }
        ],
        "templateVersion": "1.5.1"
      }
    }
  ]
}