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Harden.cmd
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Harden.cmd
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:: Windows 10 Hardening Script
:: Some settings stolen from multiple scripts @ZephrFish
::
::#######################################################################
::
:: Change file associations to protect against common ransomware attacks
:: Note that if you legitimately use these extensions, like .bat, you will now need to execute them manually from cmd or powershel
:: Alternatively, you can right-click on them and hit 'Run as Administrator' but ensure it's a script you want to run :)
:: https://support.microsoft.com/en-us/help/883260/information-about-the-attachment-manager-in-microsoft-windows
::
:: ---------------------
ftype htafile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype wshfile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype wsffile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype batfile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype jsfile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype jsefile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype vbefile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype vbsfile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
::
::#######################################################################
:: 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
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
powershell.exe Add-MpPreference -AttackSurfaceReductionRules_Ids D3E037E1-3EB8-44C8-A917-57927947596D -AttackSurfaceReductionRules_Actions Enabled
:: Block lsass cred theft
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 Defender exploit system-wide protection
:: The commented line includes CFG which can cause issues with apps like Discord & Mouse Without Borders
:: powershell.exe Set-Processmitigation -System -Enable DEP,EmulateAtlThunks,BottomUp,HighEntropy,SEHOP,SEHOPTelemetry,TerminateOnError,CFG
powershell.exe Set-Processmitigation -System -Enable DEP,EmulateAtlThunks,BottomUp,HighEntropy,SEHOP,SEHOPTelemetry,TerminateOnError
::
::#######################################################################
:: 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
reg add "HKCU\Software\Policies\Microsoft\Office\19.0\Outlook\Security" /v markinternalasunsafe /t REG_DWORD /d 0 /f
reg add "HKCU\Software\Policies\Microsoft\Office\19.0\Word\Security" /v blockcontentexecutionfrominternet /t REG_DWORD /d 1 /f
reg add "HKCU\Software\Policies\Microsoft\Office\19.0\Excel\Security" /v blockcontentexecutionfrominternet /t REG_DWORD /d 1 /f
reg add "HKCU\Software\Policies\Microsoft\Office\19.0\PowerPoint\Security" /v blockcontentexecutionfrominternet /t REG_DWORD /d 1 /f
reg add "HKCU\Software\Policies\Microsoft\Office\19.0\Word\Security" /v vbawarnings /t REG_DWORD /d 4 /f
reg add "HKCU\Software\Policies\Microsoft\Office\19.0\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\Netlogon\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 1 /f
reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\" /v DODownloadMode /t REG_DWORD /d 1 /f
::
:: Set screen saver inactivity timeout to 15 minutes
reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v InactivityTimeoutSecs /t REG_DWORD /d 900 /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
:: Prevent unauthenticated RPC connections
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Rpc" /v RestrictRemoteClients /t REG_DWORD /d 1 /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 on Public profile
netsh advfirewall set publicprofile 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
::
::#######################################################################
:: 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 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
:: 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
::
::#######################################################################
:: Enable Advanced Windows Logging
::#######################################################################
::
:: Enlarge Windows Event Security Log Size
wevtutil sl Security /ms:1024000 /f
wevtutil sl Application /ms:1024000 /f
wevtutil sl System /ms:1024000 /f
wevtutil sl "Windows Powershell" /ms:1024000 /f
wevtutil sl "Microsoft-Windows-PowerShell/Operational" /ms:1024000 /f
:: Record command line data in process creation events eventid 4688
reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\Audit" /v ProcessCreationIncludeCmdLine_Enabled /t REG_DWORD /d 1 /f
::
:: Enabled Advanced Settings
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Lsa" /v SCENoApplyLegacyAuditPolicy /t REG_DWORD /d 1 /f
:: Enable PowerShell Logging
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\PowerShell\ModuleLogging" /v EnableModuleLogging /t REG_DWORD /d 1 /f
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\PowerShell\ScriptBlockLogging" /v EnableScriptBlockLogging /t REG_DWORD /d 1 /f
::
:: Enable Windows Event Detailed Logging
:: This is intentionally meant to be a subset of expected enterprise logging as this script may be used on consumer devices.
:: For more extensive Windows logging, I recommend https://www.malwarearchaeology.com/cheat-sheets
Auditpol /set /subcategory:"Security Group Management" /success:enable /failure:enable
Auditpol /set /subcategory:"Process Creation" /success:enable /failure:enable
Auditpol /set /subcategory:"Logoff" /success:enable /failure:disable
Auditpol /set /subcategory:"Logon" /success:enable /failure:enable
Auditpol /set /subcategory:"Filtering Platform Connection" /success:enable /failure:disable
Auditpol /set /subcategory:"Removable Storage" /success:enable /failure:enable
Auditpol /set /subcategory:"SAM" /success:disable /failure:disable
Auditpol /set /subcategory:"Filtering Platform Policy Change" /success:disable /failure:disable
Auditpol /set /subcategory:"IPsec Driver" /success:enable /failure:enable
Auditpol /set /subcategory:"Security State Change" /success:enable /failure:enable
Auditpol /set /subcategory:"Security System Extension" /success:enable /failure:enable
Auditpol /set /subcategory:"System Integrity" /success:enable /failure:enable
::
::#######################################################################
:: Extra settings commented out but worth considering
::#######################################################################
::
:: 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.Microsoft3DViewer* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.MicrosoftOfficeHub* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.MicrosoftSolitaireCollection* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.MicrosoftStickyNotes* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.MixedReality.Portal* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.Office.OneNote* -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.WebMediaExtensions* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.WebpImageExtension* -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.WindowsMaps* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.WindowsSoundRecorder* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.Xbox.TCUI* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.XboxApp* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.XboxGameOverlay* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.XboxGamingOverlay* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.XboxIdentityProvider* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.XboxSpeechToTextOverlay* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.YourPhone* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.ZuneMusic* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.ZuneVideo* -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 *Microsoft.NET.Native.Framework.1.* -AllUsers | Remove-AppxPackage"
powershell.exe -command "Get-AppxPackage *Microsoft.Services.Store.Engagement* -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"
::
::#######################################################################
:: Extra settings commented out but worth considering
::#######################################################################
::
:: 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
::
:: Remove the Reg Keys for PSEXEC, sometimes it is legit
:: REG add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v LocalAccountTokenFilterPolicy /t REG_DWORD /d 0 /f
:: REG add "HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile\Services\FileAndPrint" /v Enabled /t REG_DWORD /d 0 /f
:: REG delete "HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile\Services\FileAndPrint" /v RemoteAddresses /t REG_SZ /d "*" /f
:: REG add "HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile\Services\FileAndPrint" /v Enabled /t REG_DWORD /d 0 /f
:: REG delete "HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile\Services\FileAndPrint" /v RemoteAddresses /t REG_SZ /d "*" /f
::
::
::
::#######################################################################
:: References
::#######################################################################
::
:: LLMNR
:: https://www.blackhillsinfosec.com/how-to-disable-llmnr-why-you-want-to/
::
:: Windows Defender References
:: ASR Rules https://www.darkoperator.com/blog/2017/11/11/windows-defender-exploit-guard-asr-rules-for-office
:: ASR and Exploit Guard https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-exploit-guard/attack-surface-reduction-exploit-guard
:: ASR Rules https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-atp/attack-surface-reduction
:: Easy methods to test rules https://demo.wd.microsoft.com/?ocid=cx-wddocs-testground
:: Resource on the rules and associated event IDs https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-atp/event-views
:: Defender sandboxing https://cloudblogs.microsoft.com/microsoftsecure/2018/10/26/windows-defender-antivirus-can-now-run-in-a-sandbox/
:: Defender exploit protection https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-exploit-guard/customize-exploit-protection
:: Application Guard https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-guard/install-wd-app-guard
:: Defender cmdline https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-antivirus/command-line-arguments-windows-defender-antivirus
::
:: General hardening references
:: LSA Protection https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/dn408187(v=ws.11)?redirectedfrom=MSDN
::
:: Microsoft Office References:
:: Disable DDE https://gist.github.com/wdormann/732bb88d9b5dd5a66c9f1e1498f31a1b
:: Disable macros https://decentsecurity.com/block-office-macros/
::
:: Frameworks and benchmarks
:: STIG https://www.stigviewer.com/stig/windows_10/
pause