cac undetectable triggerbot possible? (lua)

local util = util;
local me = LocalPlayer();
local hook = hook;
local vgui = vgui;
local concommand = concommand;
local bit = bit;

local hitboxes = {
	[HITGROUP_HEAD] = {false, "Head"},
	[HITGROUP_CHEST] = {false, "Chest"},
	[HITGROUP_STOMACH] = {false, "Stomach"},
	[HITGROUP_LEFTARM] = {false, "Left Arm"},
	[HITGROUP_RIGHTARM] = {false, "Right Arm"},
	[HITGROUP_LEFTLEG] = {false, "Left Leg"},
	[HITGROUP_RIGHTLEG] = {false, "Right Leg"},
	[HITGROUP_GEAR] = {false, "Gear"},
};

local frame = vgui.Create("DFrame");
frame:SetSize(150, 200);
frame:SetTitle("");
frame:Center();
frame:MakePopup();
local hh = 25;
local function createcheckbox(hitbox)
	local checkbox = vgui.Create("DCheckBoxLabel", frame);
	checkbox:SetPos(5, hh);
	checkbox:SetText(hitboxes[hitbox][2]);
	checkbox:SetChecked(hitboxes[hitbox][1]);
	checkbox:SizeToContents();
	function checkbox:OnChange(newbool)
		hitboxes[hitbox][1] = newbool;
	end
	hh = hh + 20;
end
for k,v in next, hitboxes do
	createcheckbox(k);
end

local h = {
	hooks = {},
};

local null = function() end

function h.detour(typ)
	h.hooks[typ] = {};

	local ofunc = GAMEMODE[typ] || null;

	GAMEMODE[typ] = function(self, ...)

		ofunc(self, ...);

		for k,v in next, h.hooks[typ] do
			local ret1, ret2, ret3, ret4 = v(...);
			if(ret1) then return ret1, ret2, ret3, ret4; end
		end

	end
end

function h.Add(typ, func)
	if(!h.hooks[typ]) then
		h.detour(typ);
	end

	h.hooks[typ][ #h.hooks[typ] + 1 ] = func;
end

--example:

h.Add("CreateMove", function(ucmd)
	local trace = me:GetEyeTrace();
	local hitbox, entity = trace.HitGroup, trace.Entity;
	
	if (!entity:IsValid() || entity:IsDormant() || !entity:IsPlayer() || entity:Health() < 1) then return; end
	
	if (!hitboxes[hitbox][1]) then return; end
	
	ucmd:SetButtons(bit.bor(ucmd:GetButtons(), IN_ATTACK));
end);