Zinc Actor IOCs files - October 2022

let iocs = externaldata(DateAdded:string,IoC:string,Type:string) [@"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/ZincOctober2022IOCs.csv"] with (format="csv", ignoreFirstRecord=True);
let file_path = (iocs | where Type =~ "filepath" | project IoC);
let commandline = (iocs | where Type =~ "commandline" | project IoC);
(union isfuzzy=true 
(DeviceNetworkEvents
| where  InitiatingProcessFolderPath has_any (file_path) or InitiatingProcessCommandLine has_any (commandline)
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RemoteIP, RemoteUrl, LocalIP, Type
| extend timestamp = TimeGenerated, HostEntity = DeviceName
),
(Event
| where Source =~ "Microsoft-Windows-Sysmon"
| where EventID == 1
| extend EvData = parse_xml(EventData)
| extend EventDetail = EvData.DataItem.EventData.Data
| extend Image = EventDetail.[4].["#text"],  CommandLine = EventDetail.[10].["#text"]
| where Image has_any (file_path)  or   CommandLine has_any (commandline)
| project TimeGenerated, EventDetail, UserName, Computer, Type, Source, CommandLine, Image
| extend Type = strcat(Type, ": ", Source)
| extend timestamp = TimeGenerated, HostEntity = Computer , AccountEntity = UserName, ProcessEntity = tostring(split(Image, '\\', -1)[-1])
),  
(DeviceProcessEvents
| where  ( InitiatingProcessCommandLine has_any (file_path)) or ( InitiatingProcessCommandLine has_any (commandline))  or (InitiatingProcessFolderPath has_any (file_path)) or (InitiatingProcessFolderPath has_any (commandline)) or (FolderPath  has_any (file_path)) or (FolderPath has_any (commandline))
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, FolderPath, Type
| extend timestamp = TimeGenerated, HostEntity = DeviceName , AccountEntity = InitiatingProcessAccountName, ProcessEntity = InitiatingProcessFileName
),
(DeviceFileEvents
| where  (InitiatingProcessFolderPath has_any (file_path)) or (InitiatingProcessFolderPath has_any (commandline)) or (FolderPath  has_any (file_path)) or (FolderPath  has_any (commandline)) or ( InitiatingProcessCommandLine has_any (commandline)) or ( InitiatingProcessCommandLine has_any (file_path))
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RequestAccountName, RequestSourceIP, InitiatingProcessSHA256, FolderPath, Type
| extend timestamp = TimeGenerated, HostEntity = DeviceName , AccountEntity = RequestAccountName, ProcessEntity = InitiatingProcessFileName, AlgorithmEntity = "SHA256", FileHashEntity = InitiatingProcessSHA256
),
(DeviceEvents
| where  ( InitiatingProcessCommandLine has_any (file_path)) or ( InitiatingProcessCommandLine has_any (commandline)) or (InitiatingProcessFolderPath has_any (file_path)) or (InitiatingProcessFolderPath has_any (commandline)) or (FolderPath  has_any (file_path)) or (FolderPath has_any (commandline))
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, FolderPath, Type
| extend CommandLine = InitiatingProcessCommandLine
| extend timestamp = TimeGenerated, HostEntity = DeviceName , AccountEntity = InitiatingProcessAccountName, ProcessEntity = InitiatingProcessFileName
),
(SecurityEvent
| where EventID == 4688
| where ( CommandLine has_any (file_path)) or ( CommandLine has_any (commandline))  or (NewProcessName has_any (file_path)) or (NewProcessName has_any (commandline)) or (ParentProcessName has_any (file_path)) or (ParentProcessName has_any (commandline))
| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type
| extend timestamp = TimeGenerated, HostEntity = Computer , AccountEntity = Account, ProcessEntity = NewProcessName
)
)
| extend HostName = tostring(split(HostEntity, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(HostEntity, '.'), 1, -1), '.'))
| extend Name = tostring(split(AccountEntity, '@', 0)[0]), UPNSuffix = tostring(split(AccountEntity, '@', 1)[0])

relevantTechniques:
- T1546
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Zinc Open Source/Analytic Rules/ZincOctober2022_Filename_Commandline_IOC.yaml
triggerOperator: gt
kind: Scheduled
entityMappings:
- fieldMappings:
  - columnName: Name
    identifier: Name
  - columnName: UPNSuffix
    identifier: UPNSuffix
  entityType: Account
- fieldMappings:
  - columnName: HostName
    identifier: HostName
  - columnName: DnsDomain
    identifier: DnsDomain
  entityType: Host
- fieldMappings:
  - columnName: RemoteIP
    identifier: Address
  entityType: IP
- fieldMappings:
  - columnName: ProcessEntity
    identifier: ProcessId
  entityType: Process
- fieldMappings:
  - columnName: AlgorithmEntity
    identifier: Algorithm
  - columnName: FileHashEntity
    identifier: Value
  entityType: FileHash
requiredDataConnectors:
- dataTypes:
  - DeviceNetworkEvents
  - DeviceFileEvents
  - DeviceEvents
  - DeviceProcessEvents
  connectorId: MicrosoftThreatProtection
- dataTypes:
  - SecurityEvent
  connectorId: SecurityEvents
- dataTypes:
  - SecurityEvents
  connectorId: WindowsSecurityEvents
queryPeriod: 6h
query: |
  let iocs = externaldata(DateAdded:string,IoC:string,Type:string) [@"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/ZincOctober2022IOCs.csv"] with (format="csv", ignoreFirstRecord=True);
  let file_path = (iocs | where Type =~ "filepath" | project IoC);
  let commandline = (iocs | where Type =~ "commandline" | project IoC);
  (union isfuzzy=true 
  (DeviceNetworkEvents
  | where  InitiatingProcessFolderPath has_any (file_path) or InitiatingProcessCommandLine has_any (commandline)
  | project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RemoteIP, RemoteUrl, LocalIP, Type
  | extend timestamp = TimeGenerated, HostEntity = DeviceName
  ),
  (Event
  | where Source =~ "Microsoft-Windows-Sysmon"
  | where EventID == 1
  | extend EvData = parse_xml(EventData)
  | extend EventDetail = EvData.DataItem.EventData.Data
  | extend Image = EventDetail.[4].["#text"],  CommandLine = EventDetail.[10].["#text"]
  | where Image has_any (file_path)  or   CommandLine has_any (commandline)
  | project TimeGenerated, EventDetail, UserName, Computer, Type, Source, CommandLine, Image
  | extend Type = strcat(Type, ": ", Source)
  | extend timestamp = TimeGenerated, HostEntity = Computer , AccountEntity = UserName, ProcessEntity = tostring(split(Image, '\\', -1)[-1])
  ),  
  (DeviceProcessEvents
  | where  ( InitiatingProcessCommandLine has_any (file_path)) or ( InitiatingProcessCommandLine has_any (commandline))  or (InitiatingProcessFolderPath has_any (file_path)) or (InitiatingProcessFolderPath has_any (commandline)) or (FolderPath  has_any (file_path)) or (FolderPath has_any (commandline))
  | project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, FolderPath, Type
  | extend timestamp = TimeGenerated, HostEntity = DeviceName , AccountEntity = InitiatingProcessAccountName, ProcessEntity = InitiatingProcessFileName
  ),
  (DeviceFileEvents
  | where  (InitiatingProcessFolderPath has_any (file_path)) or (InitiatingProcessFolderPath has_any (commandline)) or (FolderPath  has_any (file_path)) or (FolderPath  has_any (commandline)) or ( InitiatingProcessCommandLine has_any (commandline)) or ( InitiatingProcessCommandLine has_any (file_path))
  | project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RequestAccountName, RequestSourceIP, InitiatingProcessSHA256, FolderPath, Type
  | extend timestamp = TimeGenerated, HostEntity = DeviceName , AccountEntity = RequestAccountName, ProcessEntity = InitiatingProcessFileName, AlgorithmEntity = "SHA256", FileHashEntity = InitiatingProcessSHA256
  ),
  (DeviceEvents
  | where  ( InitiatingProcessCommandLine has_any (file_path)) or ( InitiatingProcessCommandLine has_any (commandline)) or (InitiatingProcessFolderPath has_any (file_path)) or (InitiatingProcessFolderPath has_any (commandline)) or (FolderPath  has_any (file_path)) or (FolderPath has_any (commandline))
  | project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, FolderPath, Type
  | extend CommandLine = InitiatingProcessCommandLine
  | extend timestamp = TimeGenerated, HostEntity = DeviceName , AccountEntity = InitiatingProcessAccountName, ProcessEntity = InitiatingProcessFileName
  ),
  (SecurityEvent
  | where EventID == 4688
  | where ( CommandLine has_any (file_path)) or ( CommandLine has_any (commandline))  or (NewProcessName has_any (file_path)) or (NewProcessName has_any (commandline)) or (ParentProcessName has_any (file_path)) or (ParentProcessName has_any (commandline))
  | project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type
  | extend timestamp = TimeGenerated, HostEntity = Computer , AccountEntity = Account, ProcessEntity = NewProcessName
  )
  )
  | extend HostName = tostring(split(HostEntity, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(HostEntity, '.'), 1, -1), '.'))
  | extend Name = tostring(split(AccountEntity, '@', 0)[0]), UPNSuffix = tostring(split(AccountEntity, '@', 1)[0])  
version: 1.0.3
description: |
  'Identifies a match across filename and commandline IOC's related to an actor tracked by Microsoft as Zinc.
  Reference: https://www.microsoft.com/security/blog/2022/09/29/zinc-weaponizing-open-source-software/'  
tactics:
- Persistence
severity: High
name: Zinc Actor IOCs files - October 2022
tags:
- Zinc
queryFrequency: 6h
triggerThreshold: 0
status: Available
id: 9a7f6651-801b-491c-a548-8b454b356eaa

{
  "$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/9a7f6651-801b-491c-a548-8b454b356eaa')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9a7f6651-801b-491c-a548-8b454b356eaa')]",
      "properties": {
        "alertRuleTemplateName": "9a7f6651-801b-491c-a548-8b454b356eaa",
        "customDetails": null,
        "description": "'Identifies a match across filename and commandline IOC's related to an actor tracked by Microsoft as Zinc.\nReference: https://www.microsoft.com/security/blog/2022/09/29/zinc-weaponizing-open-source-software/'\n",
        "displayName": "Zinc Actor IOCs files - October 2022",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "Name",
                "identifier": "Name"
              },
              {
                "columnName": "UPNSuffix",
                "identifier": "UPNSuffix"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "HostName",
                "identifier": "HostName"
              },
              {
                "columnName": "DnsDomain",
                "identifier": "DnsDomain"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "RemoteIP",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "Process",
            "fieldMappings": [
              {
                "columnName": "ProcessEntity",
                "identifier": "ProcessId"
              }
            ]
          },
          {
            "entityType": "FileHash",
            "fieldMappings": [
              {
                "columnName": "AlgorithmEntity",
                "identifier": "Algorithm"
              },
              {
                "columnName": "FileHashEntity",
                "identifier": "Value"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Zinc Open Source/Analytic Rules/ZincOctober2022_Filename_Commandline_IOC.yaml",
        "query": "let iocs = externaldata(DateAdded:string,IoC:string,Type:string) [@\"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/ZincOctober2022IOCs.csv\"] with (format=\"csv\", ignoreFirstRecord=True);\nlet file_path = (iocs | where Type =~ \"filepath\" | project IoC);\nlet commandline = (iocs | where Type =~ \"commandline\" | project IoC);\n(union isfuzzy=true \n(DeviceNetworkEvents\n| where  InitiatingProcessFolderPath has_any (file_path) or InitiatingProcessCommandLine has_any (commandline)\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RemoteIP, RemoteUrl, LocalIP, Type\n| extend timestamp = TimeGenerated, HostEntity = DeviceName\n),\n(Event\n| where Source =~ \"Microsoft-Windows-Sysmon\"\n| where EventID == 1\n| extend EvData = parse_xml(EventData)\n| extend EventDetail = EvData.DataItem.EventData.Data\n| extend Image = EventDetail.[4].[\"#text\"],  CommandLine = EventDetail.[10].[\"#text\"]\n| where Image has_any (file_path)  or   CommandLine has_any (commandline)\n| project TimeGenerated, EventDetail, UserName, Computer, Type, Source, CommandLine, Image\n| extend Type = strcat(Type, \": \", Source)\n| extend timestamp = TimeGenerated, HostEntity = Computer , AccountEntity = UserName, ProcessEntity = tostring(split(Image, '\\\\', -1)[-1])\n),  \n(DeviceProcessEvents\n| where  ( InitiatingProcessCommandLine has_any (file_path)) or ( InitiatingProcessCommandLine has_any (commandline))  or (InitiatingProcessFolderPath has_any (file_path)) or (InitiatingProcessFolderPath has_any (commandline)) or (FolderPath  has_any (file_path)) or (FolderPath has_any (commandline))\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, FolderPath, Type\n| extend timestamp = TimeGenerated, HostEntity = DeviceName , AccountEntity = InitiatingProcessAccountName, ProcessEntity = InitiatingProcessFileName\n),\n(DeviceFileEvents\n| where  (InitiatingProcessFolderPath has_any (file_path)) or (InitiatingProcessFolderPath has_any (commandline)) or (FolderPath  has_any (file_path)) or (FolderPath  has_any (commandline)) or ( InitiatingProcessCommandLine has_any (commandline)) or ( InitiatingProcessCommandLine has_any (file_path))\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RequestAccountName, RequestSourceIP, InitiatingProcessSHA256, FolderPath, Type\n| extend timestamp = TimeGenerated, HostEntity = DeviceName , AccountEntity = RequestAccountName, ProcessEntity = InitiatingProcessFileName, AlgorithmEntity = \"SHA256\", FileHashEntity = InitiatingProcessSHA256\n),\n(DeviceEvents\n| where  ( InitiatingProcessCommandLine has_any (file_path)) or ( InitiatingProcessCommandLine has_any (commandline)) or (InitiatingProcessFolderPath has_any (file_path)) or (InitiatingProcessFolderPath has_any (commandline)) or (FolderPath  has_any (file_path)) or (FolderPath has_any (commandline))\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, FolderPath, Type\n| extend CommandLine = InitiatingProcessCommandLine\n| extend timestamp = TimeGenerated, HostEntity = DeviceName , AccountEntity = InitiatingProcessAccountName, ProcessEntity = InitiatingProcessFileName\n),\n(SecurityEvent\n| where EventID == 4688\n| where ( CommandLine has_any (file_path)) or ( CommandLine has_any (commandline))  or (NewProcessName has_any (file_path)) or (NewProcessName has_any (commandline)) or (ParentProcessName has_any (file_path)) or (ParentProcessName has_any (commandline))\n| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type\n| extend timestamp = TimeGenerated, HostEntity = Computer , AccountEntity = Account, ProcessEntity = NewProcessName\n)\n)\n| extend HostName = tostring(split(HostEntity, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(HostEntity, '.'), 1, -1), '.'))\n| extend Name = tostring(split(AccountEntity, '@', 0)[0]), UPNSuffix = tostring(split(AccountEntity, '@', 1)[0])\n",
        "queryFrequency": "PT6H",
        "queryPeriod": "PT6H",
        "severity": "High",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Persistence"
        ],
        "tags": [
          "Zinc"
        ],
        "techniques": [
          "T1546"
        ],
        "templateVersion": "1.0.3",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}