main.cpp

#include <filesystem>
#include <fstream>
#include <iostream>

#include "src/misc/misc.h"

int main(int argc, char* argv[]) {
    char full_dll_path[MAX_PATH];
    std::string dll_path = argv[1];
    std::string process_name = argv[2];

    if (!std::filesystem::exists(dll_path)) {
        std::cout << dll_path << " does not exist" << std::endl;
    }

    GetFullPathNameA(dll_path.c_str(), MAX_PATH, full_dll_path, nullptr);

    auto proc_id = misc::get_process_id(process_name);
    if (!proc_id.has_value()) {
        std::cout << "Notepad is not open." << std::endl;
        return 1;
    }

    HANDLE handle = OpenProcess(PROCESS_ALL_ACCESS, false, proc_id.value());
    if (handle == nullptr) {
        std::cout << "Failed to open a Handle." << std::endl;
        return 1;
    }

    auto alloced_mem = VirtualAllocEx(handle, nullptr, strlen(full_dll_path), MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
    if (alloced_mem == nullptr) {
        std::cout << "Failed to allocate memory." << std::endl;

        CloseHandle(handle);
        return 1;
    }

    if (!WriteProcessMemory(handle, alloced_mem, full_dll_path, strlen(full_dll_path), nullptr)) {
        std::cout << "Failed to Write dll path." << std::endl;

        CloseHandle(handle);
        return 1;
    }

    auto kernel32 = GetModuleHandleA("kernel32.dll");
    if (kernel32 == nullptr) {
        std::cout << "Failed to get kernel32.dll" << std::endl;

        CloseHandle(handle);
        return 1;
    }

    auto loadlibrarya = GetProcAddress(kernel32, "LoadLibraryA");
    if (loadlibrarya == nullptr) {
        std::cout << "Failed to Write dll path." << std::endl;

        CloseHandle(handle);
        return 1;
    }

    if (CreateRemoteThread(handle,nullptr, 0, (LPTHREAD_START_ROUTINE)loadlibrarya, alloced_mem, 0, nullptr) == nullptr) {
        std::cout << "Failed to create remote thread." << std::endl;

        CloseHandle(handle);
        return 1;
    }

    CloseHandle(handle);
    return 0;
}