using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace BadInjector
{
    public partial class Form1 : Form
    {
        [DllImport("kernel32.dll")]
        public static extern IntPtr OpenProcess(int dwDesiredAccess, bool bInheritHandle, int dwProcessId);

        [DllImport("kernel32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr GetModuleHandle(string lpModuleName);

        [DllImport("kernel32", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)]
        static extern IntPtr GetProcAddress(IntPtr hModule, string procName);

        [DllImport("kernel32.dll", SetLastError = true, ExactSpelling = true)]
        static extern IntPtr VirtualAllocEx(IntPtr hProcess, IntPtr lpAddress,
            uint dwSize, uint flAllocationType, uint flProtect);

        [DllImport("kernel32.dll", SetLastError = true)]
        static extern bool WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, byte[] lpBuffer, uint nSize, out UIntPtr lpNumberOfBytesWritten);

        [DllImport("kernel32.dll")]
        static extern IntPtr CreateRemoteThread(IntPtr hProcess,
            IntPtr lpThreadAttributes, uint dwStackSize, IntPtr lpStartAddress, IntPtr lpParameter, uint dwCreationFlags, IntPtr lpThreadId);


        const uint MEM_COMMIT = 0x00001000;
        const uint PAGE_READWRITE = 4;
        const uint MEM_RESERVE = 0x00002000;

        const int PROCESS_CREATE_THREAD = 0x0002;
        const int PROCESS_VM_READ = 0x0010;
        const int PROCESS_QUERY_INFORMATION = 0x0400;
        const int PROCESS_VM_WRITE = 0x0020;
        const int PROCESS_VM_OPERATION = 0x0008;
        public Form1()
        {
            InitializeComponent();
        }

        public void bunifuThinButton21_Click(object sender, EventArgs e)
        {
            Textbox1.Visible = false;
            Dropdown1.Visible = false;
            Button1.Visible = false;
            Label1.Visible = true;
            button2.Visible = true;
            button3.Visible = true;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            Textbox1.Visible = true;
            Dropdown1.Visible = true;
            Button1.Visible = true;
            Label1.Visible = false;
            button2.Visible = false;
            button3.Visible = false;
            if (Dropdown1.selectedValue == "FiveM")
            {
                label2.Text = "FiveM";
            }
            Process targetProcess = Process.GetProcessesByName(label2.Text)[0];

            IntPtr procHandle = OpenProcess(PROCESS_CREATE_THREAD | PROCESS_QUERY_INFORMATION | PROCESS_VM_OPERATION | PROCESS_VM_WRITE | PROCESS_VM_READ, false, targetProcess.Id);

            IntPtr loadLibraryAddr = GetProcAddress(GetModuleHandle("kernel32.dll"), "LoadLibraryA");

            string where = AppDomain.CurrentDomain.BaseDirectory;

            string dllName = Textbox1.Text;

            IntPtr allocMemAddress = VirtualAllocEx(procHandle, IntPtr.Zero, (uint)((dllName.Length + 1) * Marshal.SizeOf(typeof(char))), MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);

            UIntPtr bytesWritten;
            WriteProcessMemory(procHandle, allocMemAddress, Encoding.Default.GetBytes(dllName), (uint)((dllName.Length + 1) * Marshal.SizeOf(typeof(char))), out bytesWritten);

            CreateRemoteThread(procHandle, IntPtr.Zero, 0, loadLibraryAddr, allocMemAddress, 0, IntPtr.Zero);

            MessageBox.Show("Injected");
        }

        private void button3_Click(object sender, EventArgs e)
        {
            Textbox1.Visible = true;
            Dropdown1.Visible = true;
            Button1.Visible = true;
            Label1.Visible = false;
            button2.Visible = false;
            button3.Visible = false;
        }
    }
}