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Script to perform some hardening of Windows OS (ANTI MIMIKATZ)
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| ::####################################################################### | |
| :: Enable and configure Windows Defender and advanced settings | |
| ::####################################################################### | |
| :: | |
| :: Reset Defender to defaults. Commented out but available for reference | |
| ::"%programfiles%"\"Windows Defender"\MpCmdRun.exe -RestoreDefaults | |
| :: https://docs.microsoft.com/en-us/windows/client-management/mdm/policy-csp-defender#defender-submitsamplesconsent | |
| :: https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference?view=win10-ps | |
| :: | |
| :: Start Defender Service | |
| sc start WinDefend | |
| ::Enable Windows Defender sandboxing | |
| setx /M MP_FORCE_USE_SANDBOX 1 | |
| :: Update signatures | |
| "%ProgramFiles%"\"Windows Defender"\MpCmdRun.exe -SignatureUpdate | |
| :: Enable Defender signatures for Potentially Unwanted Applications (PUA) | |
| powershell.exe Set-MpPreference -PUAProtection enable | |
| :: Enable Defender periodic scanning | |
| reg add "HKCU\SOFTWARE\Microsoft\Windows Defender" /v PassiveMode /t REG_DWORD /d 2 /f | |
| :: Enable Cloud functionality of Windows Defender | |
| powershell.exe Set-MpPreference -MAPSReporting Advanced | |
| powershell.exe Set-MpPreference -SubmitSamplesConsent 0 | |
| :: | |
| :: Enable early launch antimalware driver for scan of boot-start drivers | |
| :: 3 is the default which allows good, unknown and 'bad but critical'. Recommend trying 1 for 'good and unknown' or 8 which is 'good only' | |
| reg add "HKCU\SYSTEM\CurrentControlSet\Policies\EarlyLaunch" /v DriverLoadPolicy /t REG_DWORD /d 3 /f | |
| :: | |
| :: Enable ASR rules in Win10 1903 ExploitGuard to mitigate Office malspam | |
| :: Blocks Office childprocs, Office proc injection, Office win32 api calls & executable content creation | |
| :: Note these only work when Defender is your primary AV | |
| :: | |
| :: Block Office Child Process Creation | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids D4F940AB-401B-4EFC-AADC-AD5F3C50688A -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block Process Injection | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids 75668C1F-73B5-4CF0-BB93-3ECF5CB7CC84 -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block Win32 API calls in macros | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids 92E97FA1-2EDF-4476-BDD6-9DD0B4DDDC7B -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block Office from creating executables | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids 3B576869-A4EC-4529-8536-B80A7769E899 -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block execution of potentially obfuscated scripts (! this could prevent even XPROT.ps1 from running !) | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids 5BEB7EFE-FD9A-4556-801D-275E5FFC04CC -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block executable content from email client and webmail | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids BE9BA2D9-53EA-4CDC-84E5-9B1EEEE46550 -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block JavaScript or VBScript from launching downloaded executable content (! this could prevent even XPROT.ps1 from running !) | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids D3E037E1-3EB8-44C8-A917-57927947596D -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block lsass cred theft (mimikatz defense) | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids 9e6c4e1f-7d60-472f-ba1a-a39ef669e4b2 -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block untrusted and unsigned processes that run from USB | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids b2b3f03d-6a65-4f7b-a9c7-1c7ef74a9ba4 -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block Adobe Reader from creating child processes | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids 7674ba52-37eb-4a4f-a9a1-f0f9a1619a2c -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block persistence through WMI event subscription | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids e6db77e5-3df2-4cf1-b95a-636979351e5b -AttackSurfaceReductionRules_Actions Enabled | |
| :: Block process creations originating from PSExec and WMI commands | |
| powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids d1e49aac-8f56-4280-b9ba-993a6d77406c -AttackSurfaceReductionRules_Actions Enabled | |
| :: | |
| ::####################################################################### | |
| :: Enable and Configure Internet Browser Settings | |
| ::####################################################################### | |
| :: | |
| :: Enable SmartScreen for Edge | |
| reg add "HKCU\SOFTWARE\Policies\Microsoft\MicrosoftEdge\PhishingFilter" /v EnabledV9 /t REG_DWORD /d 1 /f | |
| :: Enable Notifications in IE when a site attempts to install software | |
| reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\Installer" /v SafeForScripting /t REG_DWORD /d 0 /f | |
| :: Disable Edge password manager to encourage use of proper password manager | |
| reg add "HKCU\SOFTWARE\Policies\Microsoft\MicrosoftEdge\Main" /v "FormSuggest Passwords" /t REG_SZ /d no /f | |
| :: | |
| ::####################################################################### | |
| :: Enable and Configure Google Chrome Internet Browser Settings | |
| ::####################################################################### | |
| :: | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "AdvancedProtectionAllowed" /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "AllowCrossOriginAuthPrompt" /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "AlwaysOpenPdfExternally" /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "AmbientAuthenticationInPrivateModesEnabled" /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "AudioCaptureAllowed" /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "AudioSandboxEnabled" /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "BlockExternalExtensions" /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "DnsOverHttpsMode" /t REG_SZ /d on /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "SSLVersionMin" /t REG_SZ /d tls1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "ScreenCaptureAllowed" /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "SitePerProcess" /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "TLS13HardeningForLocalAnchorsEnabled" /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Google\Chrome" /v "VideoCaptureAllowed" /t REG_DWORD /d 0 /f | |
| :: | |
| ::####################################################################### | |
| :: Enable and Configure Microsoft Office Security Settings | |
| ::####################################################################### | |
| :: Harden all version of MS Office itself against common malspam attacks | |
| :: Disables Macros, enables ProtectedView | |
| :: --------------------- | |
| reg add "HKCU\Software\Policies\Microsoft\Office\12.0\Publisher\Security" /v vbawarnings /t REG_DWORD /d 4 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\12.0\Word\Security" /v vbawarnings /t REG_DWORD /d 4 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\14.0\Publisher\Security" /v vbawarnings /t REG_DWORD /d 4 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\14.0\Word\Security" /v vbawarnings /t REG_DWORD /d 4 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\15.0\Outlook\Security" /v markinternalasunsafe /t REG_DWORD /d 0 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\15.0\Word\Security" /v blockcontentexecutionfrominternet /t REG_DWORD /d 1 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\15.0\Excel\Security" /v blockcontentexecutionfrominternet /t REG_DWORD /d 1 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\15.0\PowerPoint\Security" /v blockcontentexecutionfrominternet /t REG_DWORD /d 1 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\15.0\Word\Security" /v vbawarnings /t REG_DWORD /d 4 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\15.0\Publisher\Security" /v vbawarnings /t REG_DWORD /d 4 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\16.0\Outlook\Security" /v markinternalasunsafe /t REG_DWORD /d 0 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\16.0\Word\Security" /v blockcontentexecutionfrominternet /t REG_DWORD /d 1 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\16.0\Excel\Security" /v blockcontentexecutionfrominternet /t REG_DWORD /d 1 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\16.0\PowerPoint\Security" /v blockcontentexecutionfrominternet /t REG_DWORD /d 1 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\16.0\Word\Security" /v vbawarnings /t REG_DWORD /d 4 /f | |
| reg add "HKCU\Software\Policies\Microsoft\Office\16.0\Publisher\Security" /v vbawarnings /t REG_DWORD /d 4 /f | |
| :: | |
| :: Harden all version of MS Office itself against DDE malspam attacks | |
| :: Disables Macros, enables ProtectedView | |
| :: --------------------- | |
| :: | |
| reg add "HKCU\Software\Microsoft\Office\14.0\Word\Options" /v DontUpdateLinks /t REG_DWORD /d 00000001 /f | |
| reg add "HKCU\Software\Microsoft\Office\14.0\Word\Options\WordMail" /v DontUpdateLinks /t REG_DWORD /d 00000001 /f | |
| reg add "HKCU\Software\Microsoft\Office\15.0\Word\Options" /v DontUpdateLinks /t REG_DWORD /d 00000001 /f | |
| reg add "HKCU\Software\Microsoft\Office\15.0\Word\Options\WordMail" /v DontUpdateLinks /t REG_DWORD /d 00000001 /f | |
| reg add "HKCU\Software\Microsoft\Office\16.0\Word\Options" /v DontUpdateLinks /t REG_DWORD /d 00000001 /f | |
| reg add "HKCU\Software\Microsoft\Office\16.0\Word\Options\WordMail" /v DontUpdateLinks /t REG_DWORD /d 00000001 /f | |
| :: | |
| ::####################################################################### | |
| :: Enable and Configure General Windows Security Settings | |
| ::####################################################################### | |
| :: Disables DNS multicast, smart mutli-homed resolution, netbios, powershellv2, printer driver download and printing over http, icmp redirect | |
| :: Enables UAC and sets to always notify, Safe DLL loading (DLL Hijacking prevention), saving zone information, explorer DEP, explorer shell protocol protected mode | |
| :: --------------------- | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\DNSClient" /v EnableMulticast /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\DNSClient" /v DisableSmartNameResolution /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" /v DisableParallelAandAAAA /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" /v SMB1 /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v IGMPLevel /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v DisableIPSourceRouting /t REG_DWORD /d 2 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v EnableICMPRedirect /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters" /v DisableIPSourceRouting /t REG_DWORD /d 2 /f | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v EnableLUA /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v EnableVirtualization /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v ConsentPromptBehaviorAdmin /t REG_DWORD /d 2 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager" /v SafeDLLSearchMode /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager" /v ProtectionMode /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Attachments" /v SaveZoneInformation /t REG_DWORD /d 2 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\Explorer" /v NoDataExecutionPrevention /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\Explorer" /v NoHeapTerminationOnCorruption /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v PreXPSP2ShellProtocolBehavior /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers" /v DisableWebPnPDownload /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers" /v DisableHTTPPrinting /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Microsoft\WcmSvc\wifinetworkmanager\config" /v AutoConnectAllowedOEM /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WcmSvc\GroupPolicy" /v fMinimizeConnections /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\Netbt\Parameters" /v NoNameReleaseOnDemand /t REG_DWORD /d 1 /f | |
| wmic /interactive:off nicconfig where (TcpipNetbiosOptions=0 OR TcpipNetbiosOptions=1) call SetTcpipNetbios 2 | |
| powershell.exe Disable-WindowsOptionalFeature -Online -FeatureName MicrosoftWindowsPowerShellV2 -norestart | |
| powershell.exe Disable-WindowsOptionalFeature -Online -FeatureName MicrosoftWindowsPowerShellV2Root -norestart | |
| :: | |
| :: Prioritize ECC Curves with longer keys | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Cryptography\Configuration\SSL\00010002" /v EccCurves /t REG_MULTI_SZ /d NistP384,NistP256 /f | |
| :: Prevent Kerberos from using DES or RC4 | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\Kerberos\Parameters" /v SupportedEncryptionTypes /t REG_DWORD /d 2147483640 /f | |
| :: Encrypt and sign outgoing secure channel traffic when possible | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\Neton\Parameters" /v SealSecureChannel /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\Netlogon\Parameters" /v SignSecureChannel /t REG_DWORD /d 1 /f | |
| :: | |
| :: Enable SmartScreen | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v EnableSmartScreen /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v ShellSmartScreenLevel /t REG_SZ /d Block /f | |
| :: | |
| :: Enforce device driver signing | |
| BCDEDIT /set nointegritychecks OFF | |
| :: | |
| :: Windows Update Settings | |
| :: Prevent Delivery Optimization from downloading Updates from other computers across the internet | |
| :: 1 will restrict to LAN only. 0 will disable the feature entirely | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization" /v DODownloadMode /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\" /v DODownloadMode /t REG_DWORD /d 0 /f | |
| :: | |
| :: Set screen saver inactivity timeout to 60 minutes | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v InactivityTimeoutSecs /t REG_DWORD /d 3600 /f | |
| :: Enable password prompt on sleep resume while plugged in and on battery | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Power\PowerSettings\0e796bdb-100d-47d6-a2d5-f7d2daa51f51" /v ACSettingIndex /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Power\PowerSettings\0e796bdb-100d-47d6-a2d5-f7d2daa51f51" /v DCSettingIndex /t REG_DWORD /d 1 /f | |
| :: | |
| :: Windows Remote Access Settings | |
| :: Disable solicited remote assistance | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fAllowToGetHelp /t REG_DWORD /d 0 /f | |
| :: Require encrypted RPC connections to Remote Desktop | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fEncryptRPCTraffic /t REG_DWORD /d 1 /f | |
| :: Prevent sharing of local drives via Remote Desktop Session Hosts | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fDisableCdm /t REG_DWORD /d 1 /f | |
| :: | |
| :: Removal Media Settings | |
| :: Disable autorun/autoplay on all drives | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\Explorer" /v NoAutoplayfornonVolume /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer" /v NoDriveTypeAutoRun /t REG_DWORD /d 255 /f | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoAutorun /t REG_DWORD /d 1 /f | |
| :: | |
| :: Windows Sharing/SMB Settings | |
| :: Disable smb1, anonymous access to named pipes/shared, anonymous enumeration of SAM accounts, non-admin remote access to SAM | |
| :: Enable optional SMB client signing | |
| powershell.exe Disable-WindowsOptionalFeature -Online -FeatureName smb1protocol -norestart | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\mrxsmb10" /v Start /t REG_DWORD /d 4 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" /v SMB1 /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanManServer\Parameters" /v RestrictNullSessAccess /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v RestrictAnonymousSAM /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v RestrictAnonymous /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v EveryoneIncludesAnonymous /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v RestrictRemoteSAM /t REG_SZ /d "O:BAG:BAD:(A;;RC;;;BA)" /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v UseMachineId /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v LimitBlankPasswordUse /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\LSA\MSV1_0" /v allownullsessionfallback /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters" /v EnableSecuritySignature /t REG_DWORD /d 1 /f | |
| :: Force SMB server signing | |
| :: This could cause impact if the Windows computer this is run on is hosting a file share and the other computers connecting to it do not have SMB client signing enabled. | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanManServer\Parameters" /v RequireSecuritySignature /t REG_DWORD /d 1 /f | |
| :: | |
| :: Harden lsass to help protect against credential dumping (mimikatz) and audit lsass access requests | |
| :: Configures lsass.exe as a protected process and disables wdigest | |
| :: Enables delegation of non-exported credentials which enables support for Restricted Admin Mode or Remote Credential Guard | |
| :: --------------------- | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\LSASS.exe" /v AuditLevel /t REG_DWORD /d 00000008 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v RunAsPPL /t REG_DWORD /d 00000001 /f | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\SecurityProviders\WDigest" /v UseLogonCredential /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\CredentialsDelegation" /v AllowProtectedCreds /t REG_DWORD /d 1 /f | |
| :: | |
| :: Windows RPC and WinRM settings | |
| :: Stop WinRM | |
| net stop WinRM | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WinRM\Service" /v AllowUnencryptedTraffic /t REG_DWORD /d 0 /f | |
| :: Disable WinRM Client Digiest authentication | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WinRM\Client" /v AllowDigest /t REG_DWORD /d 0 /f | |
| :: Disabling RPC usage from a remote asset interacting with scheduled tasks | |
| reg add "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Schedule" /v DisableRpcOverTcp /t REG_DWORD /d 1 /f | |
| :: Disabling RPC usage from a remote asset interacting with services | |
| reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control" /v DisableRemoteScmEndpoints /t REG_DWORD /d 1 /f | |
| :: | |
| :: Biometrics | |
| :: Enable anti-spoofing for facial recognition | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Biometrics\FacialFeatures" /v EnhancedAntiSpoofing /t REG_DWORD /d 1 /f | |
| :: Disable other camera use while screen is locked | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\Personalization" /v NoLockScreenCamera /t REG_DWORD /d 1 /f | |
| :: Prevent Windows app voice activation while locked | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AppPrivacy" /v LetAppsActivateWithVoiceAboveLock /t REG_DWORD /d 2 /f | |
| :: Prevent Windows app voice activation entirely (be mindful of those with accesibility needs) | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AppPrivacy" /v LetAppsActivateWithVoice /t REG_DWORD /d 2 /f | |
| :: | |
| ::####################################################################### | |
| :: Enable and configure Windows Firewall | |
| ::####################################################################### | |
| :: | |
| NetSh Advfirewall set allprofiles state on | |
| :: | |
| :: Enable Firewall Logging | |
| netsh advfirewall set currentprofile logging filename %systemroot%\system32\LogFiles\Firewall\pfirewall.log | |
| netsh advfirewall set currentprofile logging maxfilesize 4096 | |
| netsh advfirewall set currentprofile logging droppedconnections enable | |
| :: | |
| :: Block all inbound connections in firewall | |
| netsh advfirewall set publicprofile firewallpolicy blockinboundalways,allowoutbound | |
| netsh advfirewall set privateprofile firewallpolicy blockinboundalways,allowoutbound | |
| :: Enable Windows Defender Network Protection | |
| powershell.exe Set-MpPreference -EnableNetworkProtection Enabled | |
| :: | |
| :: Block Win32 binaries from making netconns when they shouldn't - specifically targeting native processes known to be abused by bad actors | |
| :: --------------------- | |
| Netsh.exe advfirewall firewall add rule name="Block Notepad.exe netconns" program="%systemroot%\system32\notepad.exe" protocol=tcp dir=out enable=yes action=block profile=any | |
| Netsh.exe advfirewall firewall add rule name="Block regsvr32.exe netconns" program="%systemroot%\system32\regsvr32.exe" protocol=tcp dir=out enable=yes action=block profile=any | |
| Netsh.exe advfirewall firewall add rule name="Block calc.exe netconns" program="%systemroot%\system32\calc.exe" protocol=tcp dir=out enable=yes action=block profile=any | |
| Netsh.exe advfirewall firewall add rule name="Block mshta.exe netconns" program="%systemroot%\system32\mshta.exe" protocol=tcp dir=out enable=yes action=block profile=any | |
| Netsh.exe advfirewall firewall add rule name="Block wscript.exe netconns" program="%systemroot%\system32\wscript.exe" protocol=tcp dir=out enable=yes action=block profile=any | |
| Netsh.exe advfirewall firewall add rule name="Block cscript.exe netconns" program="%systemroot%\system32\cscript.exe" protocol=tcp dir=out enable=yes action=block profile=any | |
| Netsh.exe advfirewall firewall add rule name="Block runscripthelper.exe netconns" program="%systemroot%\system32\runscripthelper.exe" protocol=tcp dir=out enable=yes action=block profile=any | |
| Netsh.exe advfirewall firewall add rule name="Block hh.exe netconns" program="%systemroot%\system32\hh.exe" protocol=tcp dir=out enable=yes action=block profile=any | |
| :: | |
| ::Netsh.exe int ipv6 set int *INTERFACENUMBER* rabaseddnsconfig=disable | |
| ::https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16898 | |
| ::####################################################################### | |
| :: Windows 10 Privacy Settings | |
| ::####################################################################### | |
| :: | |
| :: Set Windows Analytics to limited enhanced if enhanced is enabled | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\DataCollection" /v LimitEnhancedDiagnosticDataWindowsAnalytics /t REG_DWORD /d 1 /f | |
| :: Set Windows Telemetry to security only | |
| :: If you intend to use Enhanced for Windows Analytics then set this to "2" instead | |
| :: Note my understanding is W10 Home edition will do a minimum of "Basic" | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\DataCollection" /v AllowTelemetry /t REG_DWORD /d 0 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\DataCollection" /v MaxTelemetryAllowed /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Diagnostics\DiagTrack" /v ShowedToastAtLevel /t REG_DWORD /d 1 /f | |
| :: Disable location data | |
| reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\CapabilityAccessManager\ConsentStore" /v Location /t REG_SZ /d Deny /f | |
| :: Prevent the Start Menu Search from providing internet results and using your location | |
| reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Search" /v BingSearchEnabled /t REG_DWORD /d 0 /f | |
| reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Search" /v AllowSearchToUseLocation /t REG_DWORD /d 0 /f | |
| reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Search" /v CortanaConsent /t REG_DWORD /d 0 /f | |
| :: Disable publishing of Win10 user activity | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v PublishUserActivities /t REG_DWORD /d 1 /f | |
| :: Disable Win10 settings sync to cloud | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\SettingSync" /v DisableSettingSync /t REG_DWORD /d 2 /f | |
| :: Disable the advertising ID | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\AdvertisingInfo" /v DisabledByGroupPolicy /t REG_DWORD /d 1 /f | |
| :: | |
| :: Disable Windows GameDVR (Broadcasting and Recording) | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\GameDVR" /v AllowGameDVR /t REG_DWORD /d 0 /f | |
| :: Disable Microsoft consumer experience which prevent notifications of suggested applications to install | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\CloudContent" /v DisableWindowsConsumerFeatures /t REG_DWORD /d 1 /f | |
| reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\ContentDeliveryManager" /v SystemPaneSuggestionsEnabled /t REG_DWORD /d 0 /f | |
| reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\ContentDeliveryManager" /v SilentInstalledAppsEnabled /t REG_DWORD /d 0 /f | |
| reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\ContentDeliveryManager" /v PreInstalledAppsEnabled /t REG_DWORD /d 0 /f | |
| reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\ContentDeliveryManager" /v OemPreInstalledAppsEnabled /t REG_DWORD /d 0 /f | |
| :: Disable websites accessing local language list | |
| reg add "HKCU\Control Panel\International\User Profile" /v HttpAcceptLanguageOptOut /t REG_DWORD /d 1 /f | |
| :: Prevent toast notifications from appearing on lock screen | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\PushNotifications" /v NoToastApplicationNotificationOnLockScreen /t REG_DWORD /d 1 /f | |
| :: | |
| ::################ | |
| :: Extra settings | |
| ::################ | |
| :: | |
| :: Uninstall common extra apps found on a lot of Win10 installs | |
| :: Obviously do a quick review to ensure it isn't removing any apps you or your user need to use. | |
| :: https://docs.microsoft.com/en-us/windows/application-management/apps-in-windows-10 | |
| :: PowerShell command to reinstall all pre-installed apps below | |
| :: Get-AppxPackage -AllUsers| Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"} | |
| powershell.exe -command "Get-AppxPackage *Microsoft.BingWeather* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.DesktopAppInstaller* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.GetHelp* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.Getstarted* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.Messaging* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.OneConnect* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.Print3D* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.SkypeApp* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.Wallet* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.WindowsAlarms* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.WindowsCamera* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *microsoft.windowscommunicationsapps* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.WindowsFeedbackHub* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.WindowsSoundRecorder* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.YourPhone* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.WindowsFeedback* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Windows.ContactSupport* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *PandoraMedia* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *AdobeSystemIncorporated. AdobePhotoshop* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Duolingo* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.BingNews* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.Office.Sway* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *Microsoft.Advertising.Xaml* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *ActiproSoftware* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *EclipseManager* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *SpotifyAB.SpotifyMusic* -AllUsers | Remove-AppxPackage" | |
| powershell.exe -command "Get-AppxPackage *king.com.* -AllUsers | Remove-AppxPackage" | |
| :: Removed Provisioned Apps | |
| :: This will prevent these apps from being reinstalled on new user first logon | |
| :: Obviously I manually chose this list. If you truly want to nuke all the provisioned apps, you can use the below commented command in PowerShell | |
| :: Get-AppXProvisionedPackage -Online | Remove-AppxProvisionedPackage -Online | |
| powershell.exe -command "Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -eq 'Microsoft.BingWeather'} | Remove-AppxProvisionedPackage -Online" | |
| powershell.exe -command "Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -eq 'Microsoft.GetHelp'} | Remove-AppxProvisionedPackage -Online" | |
| powershell.exe -command "Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -eq 'Microsoft.Getstarted'} | Remove-AppxProvisionedPackage -Online" | |
| powershell.exe -command "Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -eq 'Microsoft.SkypeApp'} | Remove-AppxProvisionedPackage -Online" | |
| powershell.exe -command "Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -eq 'Microsoft.WindowsAlarms'} | Remove-AppxProvisionedPackage -Online" | |
| powershell.exe -command "Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -eq 'Microsoft.WindowsCamera'} | Remove-AppxProvisionedPackage -Online" | |
| powershell.exe -command "Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -eq 'microsoft.windowscommunicationsapps'} | Remove-AppxProvisionedPackage -Online" | |
| powershell.exe -command "Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -eq 'Microsoft.WindowsFeedbackHub'} | Remove-AppxProvisionedPackage -Online" | |
| powershell.exe -command "Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -eq 'Microsoft.YourPhone'} | Remove-AppxProvisionedPackage -Online" | |
| :: | |
| :: Enforce NTLMv2 and LM authentication | |
| :: This is commented out by default as it could impact access to consumer-grade file shares but it's a recommended setting | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v LmCompatibilityLevel /t REG_DWORD /d 5 /f | |
| :: | |
| :: Prevent unencrypted passwords being sent to third-party SMB servers | |
| :: This is commented out by default as it could impact access to consumer-grade file shares but it's a recommended setting | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters" /v EnablePlainTextPassword /t REG_DWORD /d 0 /f | |
| :: | |
| :: Prevent guest logons to SMB servers | |
| :: This is commented out by default as it could impact access to consumer-grade file shares but it's a recommended setting | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\LanmanWorkstation" /v AllowInsecureGuestAuth /t REG_DWORD /d 0 /f | |
| :: | |
| :: Force SMB server signing | |
| :: This is commented out by default as it could impact access to consumer-grade file shares but it's a recommended setting | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanManServer\Parameters" /v RequireSecuritySignature /t REG_DWORD /d 1 /f | |
| :: | |
| :: Enable Windows Defender Application Guard | |
| :: This setting is commented out as it enables subset of DC/CG which renders other virtualization products unsuable. Can be enabled if you don't use those | |
| powershell.exe Enable-WindowsOptionalFeature -online -FeatureName Windows-Defender-ApplicationGuard -norestart | |
| :: | |
| :: Enable Windows Defender Credential Guard | |
| :: This setting is commented out as it enables subset of DC/CG which renders other virtualization products unsuable. Can be enabled if you don't use those | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\DeviceGuard" /v EnableVirtualizationBasedSecurity /t REG_DWORD /d 1 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\DeviceGuard" /v RequirePlatformSecurityFeatures /t REG_DWORD /d 3 /f | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\DeviceGuard" /v LsaCfgFlags /t REG_DWORD /d 1 /f | |
| :: | |
| :: The following variant also enables forced ASLR and CFG but causes issues with several third party apps | |
| :: powershell.exe Set-Processmitigation -System -Enable DEP,CFG,ForceRelocateImages,BottomUp,SEHOP | |
| :: | |
| :: Block executable files from running unless they meet a prevalence, age, or trusted list criterion | |
| :: This one is commented out for now as I need to research and test more to determine potential impact | |
| :: powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids 01443614-cd74-433a-b99e-2ecdc07bfc25 -AttackSurfaceReductionRules_Actions Enabled | |
| :: | |
| :: Enable Windows Defender real time monitoring | |
| :: Commented out given consumers often run third party anti-virus. You can run either. | |
| ::powershell.exe -command "Set-MpPreference -DisableRealtimeMonitoring $false" | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Real-Time Protection" /v DisableRealtimeMonitoring /t REG_DWORD /d 0 /f | |
| :: | |
| :: Disable internet connection sharing | |
| :: Commented out as it's not enabled by default and if it is enabled, may be for a reason | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\Network Connections" /v NC_ShowSharedAccessUI /t REG_DWORD /d 0 /f | |
| :: | |
| :: Always re-process Group Policy even if no changes | |
| :: Commented out as consumers don't typically use GPO | |
| :: reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\Group Policy\{35378EAC-683F-11D2-A89A-00C04FBBCFA2}" /v NoGPOListChanges /t REG_DWORD /d 0 /f | |
| :: | |
| :: Force logoff if smart card removed | |
| :: Set to "2" for logoff, set to "1" for lock | |
| :: Commented out as consumers don't typically use smart cards | |
| :: reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v SCRemoveOption /t REG_DWORD /d 2 /f | |
| :: | |
| :: Restrict privileged local admin tokens being used from network | |
| :: Commented out as it only works on domain-joined assets | |
| reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v LocalAccountTokenFilterPolicy /t REG_DWORD /d 0 /f | |
| :: | |
| :: Ensure outgoing secure channel traffic is encrytped | |
| :: Commented out as it only works on domain-joined assets | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\Netlogon\Parameters" /v RequireSignOrSeal /t REG_DWORD /d 1 /f | |
| :: | |
| :: Enforce LDAP client signing | |
| :: Commented out as most consumers don't use LDAP auth | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\LDAP" /v LDAPClientIntegrity /t REG_DWORD /d 1 /f | |
| :: | |
| :: Prevent unauthenticated RPC connections | |
| reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Rpc" /v RestrictRemoteClients /t REG_DWORD /d 1 /f | |
| echo Script ran completely, you are done! Check if you need to reenable antivirus. | |
| pause |
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