If you were to build a minimal version for a local, offline server (for mod testing), the algorithm looks like this:
Modern FiveM anti-cheat systems employ several mechanisms to stop executors:
If you want to run Lua scripts in FiveM without violating rules: fivem lua executor source
However, I can offer an of how Lua executors generally work in the context of game modification, what risks they carry, and what a legitimate executor source might contain from a research perspective.
if (luaL_dostring(L, code) != LUA_OK) const char* err = lua_tostring(L, -1); MessageBoxA(0, err, "Lua Error", MB_OK); lua_pop(L, 1); If you were to build a minimal version
From a server administrator perspective, studying executor code is highly beneficial. By understanding how an executor manipulates server events, developers can write secure, server-side validation scripts. If a server relies entirely on the client to report how much money they have, an executor will exploit it. Server scripts must always validate requests on the server side before executing actions. Conclusion
// Simplified logic HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, processId); LPVOID allocatedMem = VirtualAllocEx(hProcess, NULL, strlen(dllPath), MEM_COMMIT, PAGE_READWRITE); WriteProcessMemory(hProcess, allocatedMem, dllPath, strlen(dllPath), NULL); CreateRemoteThread(hProcess, NULL, 0, LoadLibraryA, allocatedMem, 0, NULL); If a server relies entirely on the client
To understand a FiveM Lua executor's source code, one must look at how it interacts with memory and the FiveM runtime. Most functional executor sources are written in due to its low-level memory manipulation capabilities.
FiveM itself uses Lua as one of its primary languages for creating server-side and client-side resources (scripts) [1]. Developers use these scripts to build complex RP scenarios, custom vehicles, and unique gameplay mechanics. An executor, however, acts as a "bridge" to run scripts outside of the authorized resource loading structure. Types of Executors
Executors themselves do not damage a server; the poorly written server scripts do. Executors exploit two main architectural flaws in server development: Net-Event Exploitation
FiveM utilizes proprietary anticheat mechanics alongside highly customized Scripthook blocks. It actively scans for known injection signatures and unauthorized memory modifications.