C# 获取键盘所有按键记录
请问各位，用C#写一段程序，当用户打开某个网站的时候（例如打开淘宝的网站的时候）就记录键盘的所有按键，当用户关闭这个网页的时候就退出不再记录，代码应该怎么写？先谢谢各位高手了 --------------------编程问答-------------------- 告诉你不是教唆犯罪么？ --------------------编程问答-------------------- you are 'dangerous'but 坐等高人贴 --------------------编程问答--------------------
没错，lz还是放弃这个想法 --------------------编程问答-------------------- 晕，你打算干什么 --------------------编程问答-------------------- 例如 淘宝···· - -！
确实是唆使犯罪
话说有个键盘钩子，LZ可以去google一下。 --------------------编程问答-------------------- --------------------编程问答-------------------- 很难实现，钩子在这里没用 --------------------编程问答-------------------- --------------------编程问答-------------------- --------------------编程问答--------------------
有本事告诉他啊。哈哈 --------------------编程问答-------------------- 是不是有什么不良动机? --------------------编程问答--------------------
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace Utilities {
/// <summary>
/// A class that manages a global low level keyboard hook
/// </summary>
class globalKeyboardHook {
#region Constant, Structure and Delegate Definitions
/// <summary>
/// defines the callback type for the hook
/// </summary>
public delegate int keyboardHookProc(int code, int wParam, ref keyboardHookStruct lParam);
public struct keyboardHookStruct {
public int vkCode;
public int scanCode;
public int flags;
public int time;
public int dwExtraInfo;
}
const int WH_KEYBOARD_LL = 13;
const int WM_KEYDOWN = 0x100;
const int WM_KEYUP = 0x101;
const int WM_SYSKEYDOWN = 0x104;
const int WM_SYSKEYUP = 0x105;
#endregion
#region Instance Variables
/// <summary>
/// The collections of keys to watch for
/// </summary>
public List<Keys> HookedKeys = new List<Keys>();
/// <summary>
/// Handle to the hook, need this to unhook and call the next hook
/// </summary>
IntPtr hhook = IntPtr.Zero;
#endregion
#region Events
/// <summary>
/// Occurs when one of the hooked keys is pressed
/// </summary>
public event KeyEventHandler KeyDown;
/// <summary>
/// Occurs when one of the hooked keys is released
/// </summary>
public event KeyEventHandler KeyUp;
#endregion
#region Constructors and Destructors
/// <summary>
/// Initializes a new instance of the <see cref="globalKeyboardHook"/> class and installs the keyboard hook.
/// </summary>
public globalKeyboardHook() {
hook();
}
/// <summary>
/// Releases unmanaged resources and performs other cleanup operations before the
/// <see cref="globalKeyboardHook"/> is reclaimed by garbage collection and uninstalls the keyboard hook.
/// </summary>
~globalKeyboardHook() {
unhook();
}
#endregion
#region Public Methods
/// <summary>
/// Installs the global hook
/// </summary>
public void hook() {
IntPtr hInstance = LoadLibrary("User32");
hhook = SetWindowsHookEx(WH_KEYBOARD_LL, hookProc, hInstance, 0);
}
/// <summary>
/// Uninstalls the global hook
/// </summary>
public void unhook() {
UnhookWindowsHookEx(hhook);
}
/// <summary>
/// The callback for the keyboard hook
/// </summary>
/// <param name="code">The hook code, if it isn't >= 0, the function shouldn't do anyting</param>
/// <param name="wParam">The event type</param>
/// <param name="lParam">The keyhook event information</param>
/// <returns></returns>
public int hookProc(int code, int wParam, ref keyboardHookStruct lParam) {
if (code >= 0) {
Keys key = (Keys)lParam.vkCode;
if (HookedKeys.Contains(key)) {
KeyEventArgs kea = new KeyEventArgs(key);
if ((wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN) && (KeyDown != null)) {
KeyDown(this, kea) ;
} else if ((wParam == WM_KEYUP || wParam == WM_SYSKEYUP) && (KeyUp != null)) {
KeyUp(this, kea);
}
if (kea.Handled)
return 1;
}
}
return CallNextHookEx(hhook, code, wParam, ref lParam);
}
#endregion
#region DLL imports
/// <summary>
/// Sets the windows hook, do the desired event, one of hInstance or threadId must be non-null
/// </summary>
/// <param name="idHook">The id of the event you want to hook</param>
/// <param name="callback">The callback.</param>
/// <param name="hInstance">The handle you want to attach the event to, can be null</param>
/// <param name="threadId">The thread you want to attach the event to, can be null</param>
/// <returns>a handle to the desired hook</returns>
[DllImport("user32.dll")]
static extern IntPtr SetWindowsHookEx(int idHook, keyboardHookProc callback, IntPtr hInstance, uint threadId);
/// <summary>
/// Unhooks the windows hook.
/// </summary>
/// <param name="hInstance">The hook handle that was returned from SetWindowsHookEx</param>
/// <returns>True if successful, false otherwise</returns>
[DllImport("user32.dll")]
static extern bool UnhookWindowsHookEx(IntPtr hInstance);
/// <summary>
/// Calls the next hook.
/// </summary>
/// <param name="idHook">The hook id</param>
/// <param name="nCode">The hook code</param>
/// <param name="wParam">The wparam.</param>
/// <param name="lParam">The lparam.</param>
/// <returns></returns>
[DllImport("user32.dll")]
static extern int CallNextHookEx(IntPtr idHook, int nCode, int wParam, ref keyboardHookStruct lParam);
/// <summary>
/// Loads the library.
/// </summary>
/// <param name="lpFileName">Name of the library</param>
/// <returns>A handle to the library</returns>
[DllImport("kernel32.dll")]
static extern IntPtr LoadLibrary(string lpFileName);
#endregion
}
}
调用
gkh.HookedKeys.Add(Keys.A);
gkh.HookedKeys.Add(Keys.C);
gkh.HookedKeys.Add(Keys.B);
gkh.HookedKeys.Add(Keys.LControlKey);
gkh.HookedKeys.Add(Keys.Menu);
gkh.KeyDown += new KeyEventHandler(gkh_KeyDown);
gkh.KeyUp += new KeyEventHandler(gkh_KeyUp);
}
void gkh_KeyUp(object sender, KeyEventArgs e)
{
lstLog.Items.Add("Up\t" + e.KeyCode.ToString());
e.Handled = true;
}
void gkh_KeyDown(object sender, KeyEventArgs e)
{
lstLog.Items.Add("Down\t" + e.KeyCode.ToString());
e.Handled = true;
}
不用于犯罪，谢谢 --------------------编程问答-------------------- 呵呵~~各位不要误会，只是研究一下，不会做坏事的 --------------------编程问答-------------------- 嗯，12楼的是截获键盘事件的过程，我估计还要做的工作是，用HOOK API 截取IE访问的网页地址，然后判断，是否打开键盘截获过程 --------------------编程问答--------------------
+ --------------------编程问答-------------------- --------------------编程问答-------------------- 研究中，研究中。。。 --------------------编程问答-------------------- LZ在写小木马？ --------------------编程问答-------------------- 下面这款软件也是用C#写的，建议楼主可以参考下下面这款键盘记录器http://www.louyue.com/keylogger.htm --------------------编程问答-------------------- 没有正确的源代码下载的话，请不要在csdn论坛里做广告。 --------------------编程问答-------------------- 可以用键盘钩子，不过这样的程序会被杀毒软件干掉。
能有逃过杀毒软件的办法吗？
补充：.NET技术 , C#
