@echo off

:: Disable Spectre and Meltdown
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "FeatureSettingsOverride" /t REG_DWORD /d "3" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "FeatureSettingsOverrideMask" /t REG_DWORD /d "3" /f

:: Disable Structured Exception Handling Overwrite Protection (SEHOP)
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel" /v "DisableExceptionChainValidation" /t REG_DWORD /d "1" /f

:: Disable Control Flow Guard (CFG)
:: Find correct mitigation values for different Windows versions - AMIT
:: Initialize bit mask in registry by disabling a random mitigation
PowerShell -NoP -C "Set-ProcessMitigation -System -Disable CFG"

:: Get current bit mask
for /f "tokens=3 skip=2" %%a in ('reg query "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel" /v "MitigationAuditOptions"') do (
    set "mitigation_mask=%%a"
)

:: Fix Valorant with mitigations disabled - enable CFG
set "enableCFGApps=valorant valorant-win64-shipping vgtray vgc"
PowerShell -NoP -C "foreach ($a in $($env:enableCFGApps -split ' ')) {Set-ProcessMitigation -Name $a`.exe -Enable CFG}"

:: Set Data Execution Prevention (DEP) only for operating system components
bcdedit /set nx OptIn

:: Apply mask to kernel
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel" /v "MitigationAuditOptions" /t REG_BINARY /d "%mitigation_mask%" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel" /v "MitigationOptions" /t REG_BINARY /d "%mitigation_mask%" /f

:: Disable file system mitigations
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager" /v "ProtectionMode" /t REG_DWORD /d "0" /f

echo Finished, please reboot your device for changes to apply.
pause
exit /b