84 lines
2.8 KiB
C#
84 lines
2.8 KiB
C#
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using System.Runtime.InteropServices;
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using System.Text;
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namespace keygen1
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{
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public partial class Form1 : Form
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{
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[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
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static extern IntPtr FindWindow(string? lpClassName, string lpWindowName);
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[DllImport("user32.dll", SetLastError = true)]
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static extern IntPtr GetDlgItem(IntPtr hDlg, int nIDDlgItem);
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[DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = false)]
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static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, StringBuilder? lParam);
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[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)]
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static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
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const uint WM_SETTEXT = 0x000C;
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const uint BM_CLICK = 0x00F5;
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public Form1()
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{
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InitializeComponent();
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}
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private void Button1_Click(object sender, EventArgs e)
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{
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if (string.IsNullOrEmpty(textBox1.Text)) MessageBox.Show("Name<6D><65><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>");
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Generate(textBox1.Text);
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}
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private void Generate(string username)
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{
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//if (username.Length <= 3)
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//{
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// MessageBox.Show("Name<6D><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3λ");
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// return;
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//}
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string key = GenerateKey(username);
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textBox2.Text = key;
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if (checkBox1.Checked) AutoMode(username, key);
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}
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private static string GenerateKey(string name)
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{
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return ((char)(name[name.Length - 1] ^ 3)).ToString();
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}
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private static void AutoMode(string username, string key)
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{
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string windowTitle = "Crackme 8";
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IntPtr hWnd = FindWindow(null, windowTitle);
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if (hWnd == IntPtr.Zero)
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{
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MessageBox.Show("<22><><EFBFBD><EFBFBD>δ<EFBFBD>ҵ<EFBFBD>");
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return;
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}
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int usernameControlId = 4;
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int keyControlId = 3;
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int submitButtonId = 2;
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IntPtr usernameHwnd = GetDlgItem(hWnd, usernameControlId);
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IntPtr keyHwnd = GetDlgItem(hWnd, keyControlId);
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IntPtr submitButtonHwnd = GetDlgItem(hWnd, submitButtonId);
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if (usernameHwnd == IntPtr.Zero || keyHwnd == IntPtr.Zero || submitButtonHwnd == IntPtr.Zero)
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{
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MessageBox.Show("<22>ؼ<EFBFBD>δ<EFBFBD>ҵ<EFBFBD>");
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return;
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}
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StringBuilder usernameToSet = new(username);
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StringBuilder keyToSet = new(key);
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SendMessage(usernameHwnd, WM_SETTEXT, IntPtr.Zero, usernameToSet);
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SendMessage(keyHwnd, WM_SETTEXT, IntPtr.Zero, keyToSet);
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SendMessage(submitButtonHwnd, BM_CLICK, IntPtr.Zero, IntPtr.Zero);
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}
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}
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}
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