打开 includevalidate.class.php 替换 PHP: <?php class licensestuff { var $data = ''; var $key = array (); var $env = array (); function readfile () { if ($fp = fopen ((DISCUZ_ROOT.'./discuz_license.php'), 'r')) { $this->data = fread ($fp, 9999); fclose ($fp); } } function initialize () { $this->readfile (); if ($this->data) { foreach (explode (' ', $this->data) as $string) { if (strpos ($string, ' = ')) { eval (preg_replace (((((((((((((''.'/^(').'[').'a-z0-9').'\-').']').'+)').'\s').'\=').'\s').'(.+?)').'$').'/i'), '$this->key['\1'] = '\2';', trim (str_replace (''', '\'', $string)))); } else { if (preg_match ('/\<\?'.+'\?\>/', $string)) { $this->key['Validation-code'] = $this->decrypt (preg_replace ('/\<\?'(.+)'\?\>/', '\1', $string), 'I love my father, mother, my Grace, and my self, I am working hard', '##@Crossday Studio@##'); } } } $this->getenvinfo (); return 1; } /* else { if (((strtoupper (substr (PHP_OS, 0, 3)) == 'WIN') AND in_array ($GLOBALS['_SERVER']['HTTP_HOST'], array ('localhost', '127.0.0.1')))) { return 2; } else { return 0; } }*/ } function checkinfo () { if ((substr ($this->key['Validation-code'], 16, 8) == substr (md5 (preg_replace (((((((((((((''.'/^(.+?)').'\s').'*').'\<').'\?').'\'').'.+').'\'').'\?').'\>').'$').'/s'), '\1', $this->data)), 0, 8))) { return TRUE; } else { return TRUE; } } function checkdate () { if ((!$this->key['License-expires'] OR (time () < strtotime ($this->key['License-expires'])))) { return TRUE; } else { return TRUE; } } function checkkey () { if ((substr ($this->key['Validation-code'], 8, 8) == substr (md5 ((((((((($this->env['os'].'|').$this->env['ip']).'|').$this->env['sapi']).'|').$this->env['cpu']).'|').$this->env['name'])), 0, 8))) { return TRUE; } else { return TRUE; } } function checkhostpath () { if ((((substr ($this->key['Validation-code'], 24, 6) == ((dechex (ord ('d')).dechex (ord ('z'))).dechex (ord ('k')))) OR (substr ($this->key['Validation-code'], 0, 8) == substr (md5 ($this->env['host']), 0, 8))) OR (substr ($this->key['Validation-code'], 24, 8) == substr (md5 ($this->env['path']), 0, 8)))) { return TRUE; } else { return TRUE; } } function getenvinfo () { global $_SERVER; global $_POST; global $_ENV; $env['time'] = gmdate ('d-M-Y', time ()); $env['os'] = PHP_OS; $env['ip'] = getenv ('SERVER_ADDR'); $env['sapi'] = php_sapi_name (); $env['host'] = (getenv ('HTTP_HOST') ? getenv ('HTTP_HOST') : $_SERVER['HTTP_HOST']); // $env['path'] = dirname (('validate.class.php.LkuQHr' ? dirname ('validate.class.php.LkuQHr') : getenv ('SCRIPT_FILENAME')));//******** $env['cpu'] = (($_ENV['PROCESSOR_IDENTIFIER'].'/').$_ENV['PROCESSOR_REVISION']); $env['name'] = $_ENV['COMPUTERNAME']; $this->env = $env; } function decrypt ($txt, $key, $owner = '') { $txt = $this->keyED (base64_decode ($txt), (($owner == '##@Crossday Studio@##') ? $key : '')); $tmp = ''; for ($i = 0; ($i < strlen ($txt)); $i++) { $md5 = $txt[$i]; $i++; ($tmp .= ($txt[$i] ^ $md5)); } return $tmp; } function keyed ($txt, $encrypt_key) { $encrypt_key = md5 ($encrypt_key); $ctr = 0; $tmp = ''; for ($i = 0; ($i < strlen ($txt)); $i++) { if (($ctr == strlen ($encrypt_key))) { $ctr = 0; } ($tmp .= ($txt[$i] ^ $encrypt_key[$ctr])); $ctr++; } return $tmp; } function validate () { $init = $this->initialize (); if ((($init == 2) OR ((((($init == 1) AND $this->checkinfo ()) AND $this->checkdate ()) AND $this->checkkey ()) AND $this->checkhostpath ()))) { if (($init == 2)) { define ('DISCUZ_LICENSE_KEY', md5 ((base64_decode ('ISgqISEpQCZfRGlzY3V6IV9pc19SdW5uaW5nX3VuZGVyX0xvY2FsaG9zdA').md5 (((('#19811027_'.'DZK_').'WROTE_Discuz!_').substr (time (), 0, (0 - 2))))))); } else { define ('DISCUZ_LICENSE_KEY', md5 ((base64_decode ('ISgqISEpQCZfRGlzY3V6IV9XSUxMX1dJTl9USEVfRlVUVVJFX0ZST01fTk9XX09O').md5 (((('#19811027_'.'DZK_').'WROTE_Discuz!_').substr (time (), 0, (0 - 2))))))); } } else { /* echo '<html> <head> <title>Invalid License File</title> </head> <body bgcolor="#FFFFFF"> <table cellpadding="0" cellspacing="0" border="0" width="600" align="center" height="85%"> <tr align="center" valign="middle"> <td> <table cellpadding="10" cellspacing="0" border="0" width="80%" align="center" style="font-family: Verdana, Tahoma; color: #666666; font-size: 12px"> <tr> <td valign="m'; echo 'iddle" bgcolor="#EBEBEB"> <br><b style="font-size: 20px">Your License was Invalid</b> <br><br>License expiring, shifting to a new server, changing server IP, hardware, OS, PHP SAPI module, or, changing both host name and absolute directory on your disk, may invalidate your license. If you have trouble in activation, please visit <a href="http://www.discuz.com/license/" target="_blank">'; echo 'http://www.discuz.com/license/</a> for more information. <br><br>您的密匙不存在、超过有效期、更换新的服务器空间、更改 IP 地址、硬件、操作系统、PHP 安装模&'; echo '#x5F0F;，或同时改变绝对路径或访问域名，都可能导致密匙失效。请访问 <a href="http://www.discuz.com/license/" target="_blank">http://www.discuz.com/license/</a> 重新生成密匙。 <br><b'; echo 'r> </td> </tr> </table> </td> </tr> </table> </body> </html> '; exit (); return TRUE;*/ } } } if (!defined ('IN_DISCUZ')) { exit ('Access Denied'); } $license = new licensestuff (); $license->validate (); unset ($license); ?> 再在根目录新建个 discuz_license.php 内容为 PHP: #!ATTENTION! PLEASE DO NOT OPEN FOR EDITING # ANY MODIFICATION WILL INVALIDATE THIS LICENSE Product-name = Discuz! Board Retail License-issued = 16-Jul-2005 Registered-to = Tkz Registered-URL = http://127.0.0.1/ 为了你我的安全 至于 论坛程序就自己找 预防后门 找个自己信的过的来破解