Solorigate Named Pipe | Microsoft Sentinel Analytic Rules

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Id	11b4c19d-2a79-4da3-af38-b067e1273dee
Rulename	Solorigate Named Pipe
Description	Identifies a match across various data feeds for named pipe IOCs related to the Solorigate incident. For the sysmon events required for this detection, logging for Named Pipe Events needs to be configured in Sysmon config (Event ID 17 and Event ID 18) Reference: https://techcommunity.microsoft.com/t5/azure-sentinel/solarwinds-post-compromise-hunting-with-azure-sentinel/ba-p/1995095
Severity	High
Tactics	DefenseEvasion PrivilegeEscalation
Techniques	T1055
Required data connectors	SecurityEvents WindowsForwardedEvents WindowsSecurityEvents
Kind	Scheduled
Query frequency	1d
Query period	1d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Detections/SecurityEvent/SolorigateNamedPipe.yaml
Version	1.2.5
Arm template	11b4c19d-2a79-4da3-af38-b067e1273dee.json

KQL

(union isfuzzy=true
(Event
| where Source == "Microsoft-Windows-Sysmon"
| where EventID in (17,18)
| where EventData has '583da945-62af-10e8-4902-a8f205c72b2e'
| extend EventData = parse_xml(EventData).DataItem.EventData.Data
| mv-expand bagexpansion=array EventData
| evaluate bag_unpack(EventData)
| extend Key = tostring(column_ifexists('@Name', "")), Value = column_ifexists('#text', "")
| evaluate pivot(Key, any(Value), TimeGenerated, Source, EventLog, Computer, EventLevel, EventLevelName, EventID, UserName, MG, ManagementGroupName, _ResourceId)
| extend PipeName = column_ifexists("PipeName", "")
| extend Account = User
| extend AccountName = tostring(split(User, @"\")[1]), AccountNTDomain = tostring(split(User, @"\")[0])
),
(
SecurityEvent
| where EventID == '5145'
// %%4418 looks for presence of CreatePipeInstance value
| where AccessList has '%%4418'
| where RelativeTargetName has '583da945-62af-10e8-4902-a8f205c72b2e'
| extend AccountName = SubjectUserName, AccountNTDomain = SubjectDomainName
),
(
WindowsEvent
| where EventID == '5145' and EventData has '%%4418'  and EventData has '583da945-62af-10e8-4902-a8f205c72b2e'
// %%4418 looks for presence of CreatePipeInstance value
| extend AccessList= tostring(EventData.AccessList)
| where AccessList has '%%4418'
| extend RelativeTargetName= tostring(EventData.RelativeTargetName)
| where RelativeTargetName has '583da945-62af-10e8-4902-a8f205c72b2e'
| extend Account =  strcat(tostring(EventData.SubjectDomainName),"\\", tostring(EventData.SubjectUserName))
| extend AccountName = tostring(EventData.SubjectUserName), AccountNTDomain = tostring(EventData.SubjectDomainName)
)
)
| extend HostName = tostring(split(Computer, ".")[0]), DomainIndex = toint(indexof(Computer, '.'))
| extend HostNameDomain = iff(DomainIndex != -1, substring(Computer, DomainIndex + 1), Computer)
| project-away DomainIndex

YAML

tags:
- Solorigate
- NOBELIUM
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: Account
  - identifier: Name
    columnName: AccountName
  - identifier: NTDomain
    columnName: AccountNTDomain
  entityType: Account
- fieldMappings:
  - identifier: FullName
    columnName: Computer
  - identifier: HostName
    columnName: HostName
  - identifier: NTDomain
    columnName: HostNameDomain
  entityType: Host
severity: High
tactics:
- DefenseEvasion
- PrivilegeEscalation
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/SecurityEvent/SolorigateNamedPipe.yaml
metadata:
  categories:
    domains:
    - Security - 0-day Vulnerability
  author:
    name: Microsoft Security Research
  support:
    tier: Community
  source:
    kind: Community
requiredDataConnectors:
- dataTypes:
  - SecurityEvent
  connectorId: SecurityEvents
- dataTypes:
  - SecurityEvent
  connectorId: WindowsSecurityEvents
- dataTypes:
  - WindowsEvent
  connectorId: WindowsForwardedEvents
kind: Scheduled
triggerOperator: gt
queryPeriod: 1d
version: 1.2.5
query: |
  (union isfuzzy=true
  (Event
  | where Source == "Microsoft-Windows-Sysmon"
  | where EventID in (17,18)
  | where EventData has '583da945-62af-10e8-4902-a8f205c72b2e'
  | extend EventData = parse_xml(EventData).DataItem.EventData.Data
  | mv-expand bagexpansion=array EventData
  | evaluate bag_unpack(EventData)
  | extend Key = tostring(column_ifexists('@Name', "")), Value = column_ifexists('#text', "")
  | evaluate pivot(Key, any(Value), TimeGenerated, Source, EventLog, Computer, EventLevel, EventLevelName, EventID, UserName, MG, ManagementGroupName, _ResourceId)
  | extend PipeName = column_ifexists("PipeName", "")
  | extend Account = User
  | extend AccountName = tostring(split(User, @"\")[1]), AccountNTDomain = tostring(split(User, @"\")[0])
  ),
  (
  SecurityEvent
  | where EventID == '5145'
  // %%4418 looks for presence of CreatePipeInstance value
  | where AccessList has '%%4418'
  | where RelativeTargetName has '583da945-62af-10e8-4902-a8f205c72b2e'
  | extend AccountName = SubjectUserName, AccountNTDomain = SubjectDomainName
  ),
  (
  WindowsEvent
  | where EventID == '5145' and EventData has '%%4418'  and EventData has '583da945-62af-10e8-4902-a8f205c72b2e'
  // %%4418 looks for presence of CreatePipeInstance value
  | extend AccessList= tostring(EventData.AccessList)
  | where AccessList has '%%4418'
  | extend RelativeTargetName= tostring(EventData.RelativeTargetName)
  | where RelativeTargetName has '583da945-62af-10e8-4902-a8f205c72b2e'
  | extend Account =  strcat(tostring(EventData.SubjectDomainName),"\\", tostring(EventData.SubjectUserName))
  | extend AccountName = tostring(EventData.SubjectUserName), AccountNTDomain = tostring(EventData.SubjectDomainName)
  )
  )
  | extend HostName = tostring(split(Computer, ".")[0]), DomainIndex = toint(indexof(Computer, '.'))
  | extend HostNameDomain = iff(DomainIndex != -1, substring(Computer, DomainIndex + 1), Computer)
  | project-away DomainIndex
relevantTechniques:
- T1055
id: 11b4c19d-2a79-4da3-af38-b067e1273dee
name: Solorigate Named Pipe
description: |
  'Identifies a match across various data feeds for named pipe IOCs related to the Solorigate incident.
   For the sysmon events required for this detection, logging for Named Pipe Events needs to be configured in Sysmon config (Event ID 17 and Event ID 18)
   Reference: https://techcommunity.microsoft.com/t5/azure-sentinel/solarwinds-post-compromise-hunting-with-azure-sentinel/ba-p/1995095'
queryFrequency: 1d

ARM

{
  "$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/11b4c19d-2a79-4da3-af38-b067e1273dee')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/11b4c19d-2a79-4da3-af38-b067e1273dee')]",
      "properties": {
        "alertRuleTemplateName": "11b4c19d-2a79-4da3-af38-b067e1273dee",
        "customDetails": null,
        "description": "'Identifies a match across various data feeds for named pipe IOCs related to the Solorigate incident.\n For the sysmon events required for this detection, logging for Named Pipe Events needs to be configured in Sysmon config (Event ID 17 and Event ID 18)\n Reference: https://techcommunity.microsoft.com/t5/azure-sentinel/solarwinds-post-compromise-hunting-with-azure-sentinel/ba-p/1995095'\n",
        "displayName": "Solorigate Named Pipe",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "Account",
                "identifier": "FullName"
              },
              {
                "columnName": "AccountName",
                "identifier": "Name"
              },
              {
                "columnName": "AccountNTDomain",
                "identifier": "NTDomain"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "Computer",
                "identifier": "FullName"
              },
              {
                "columnName": "HostName",
                "identifier": "HostName"
              },
              {
                "columnName": "HostNameDomain",
                "identifier": "NTDomain"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Detections/SecurityEvent/SolorigateNamedPipe.yaml",
        "query": "(union isfuzzy=true\n(Event\n| where Source == \"Microsoft-Windows-Sysmon\"\n| where EventID in (17,18)\n| where EventData has '583da945-62af-10e8-4902-a8f205c72b2e'\n| extend EventData = parse_xml(EventData).DataItem.EventData.Data\n| mv-expand bagexpansion=array EventData\n| evaluate bag_unpack(EventData)\n| extend Key = tostring(column_ifexists('@Name', \"\")), Value = column_ifexists('#text', \"\")\n| evaluate pivot(Key, any(Value), TimeGenerated, Source, EventLog, Computer, EventLevel, EventLevelName, EventID, UserName, MG, ManagementGroupName, _ResourceId)\n| extend PipeName = column_ifexists(\"PipeName\", \"\")\n| extend Account = User\n| extend AccountName = tostring(split(User, @\"\\\")[1]), AccountNTDomain = tostring(split(User, @\"\\\")[0])\n),\n(\nSecurityEvent\n| where EventID == '5145'\n// 4418'\n| where RelativeTargetName has '583da945-62af-10e8-4902-a8f205c72b2e'\n| extend AccountName = SubjectUserName, AccountNTDomain = SubjectDomainName\n),\n(\nWindowsEvent\n| where EventID == '5145' and EventData has '4418 looks for presence of CreatePipeInstance value\n| extend AccessList= tostring(EventData.AccessList)\n| where AccessList has '%%4418'\n| extend RelativeTargetName= tostring(EventData.RelativeTargetName)\n| where RelativeTargetName has '583da945-62af-10e8-4902-a8f205c72b2e'\n| extend Account =  strcat(tostring(EventData.SubjectDomainName),\"\\\\\", tostring(EventData.SubjectUserName))\n| extend AccountName = tostring(EventData.SubjectUserName), AccountNTDomain = tostring(EventData.SubjectDomainName)\n)\n)\n| extend HostName = tostring(split(Computer, \".\")[0]), DomainIndex = toint(indexof(Computer, '.'))\n| extend HostNameDomain = iff(DomainIndex != -1, substring(Computer, DomainIndex + 1), Computer)\n| project-away DomainIndex\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "High",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion",
          "PrivilegeEscalation"
        ],
        "tags": [
          "Solorigate",
          "NOBELIUM"
        ],
        "techniques": [
          "T1055"
        ],
        "templateVersion": "1.2.5",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}