local exec_name = identifyexecutor() or getexecutorname() or "Executor"

local UNC = {
    "setfflag",
    "mousemoverel",
    "getrenv",
    "hookmetamethod",
    "newcclosure",
    "getnamecallmethod",
    "gethui",
    "loadstring",
}

local missing = {}
for _, name in ipairs(UNC) do
    if type(_G[name]) ~= "function" then
        missing[#missing + 1] = name
    end
end

if type(debug.getupvalue) ~= "function" then
    missing[#missing + 1] = "debug.getupvalue"
end

if #missing > 0 then
    game:GetService("Players").LocalPlayer:Kick(exec_name .. " is missing: " .. table.concat(missing, ", "))
else
    game:GetService("Players").LocalPlayer:Kick(exec_name .. " supports mirrorhack")
end