No more nonsense, just post the code.
The code is as follows:
<?php
header('content-type:text/html;charset=gbk');
set_time_limit(0);//防止超时
/**
*
* php目录扫描监控增强版
*
* @version 1.0
*
下面几个变量使用前需要手动设置
*
**/
/*===================== 程序配置 =====================*/
$pass="test";//设置密码
$jkdir="."; //设置监控扫描的目录，当前目录为'.'，上一级目录为'..'，也可以设置绝对路径，后面不要加斜杠，默认为当前目录
$logfilename="./m.log";//设置存储log的路径，可以放置在任意位置
$exclude=array('data','images');//排除目录
$danger='eval|cmd|passthru|gzuncompress';//设置要查找的危险的函数 以确定是否木马文件
$suffix='php|inc';//设置要扫描文件的后缀
/*===================== 配置结束 =====================*/
$filename=$_GET['filename'];
$check=$_GET['check'];
$jumpoff=false;
$url = $_SERVER['PHP_SELF'];
$thisfile = end(explode('/',$url));
$jump="{$thisfile}|".implode('|',$exclude);
$jkdir_num=$file_num=$danger_num=0;
define('M_PATH',$jkdir);
define('M_LOG',$logfilename);
if ($check=='check')
{
$safearr = explode("|",$jump);
$start_time=microtime(true);
safe_check($jkdir);
$end_time=microtime(true);
$total=$end_time-$start_time;
$file_num=$file_num-$jkdir_num;
$message= " 文件数:".$file_num;
$message.= " 文件夹数：".$jkdir_num;
$message.= " 可疑文件数：".$danger_num;
$message.= " 执行时间：".$total;
echo $message;
}else{
if ($_GET['m']=="del") Delete();//处理文件删除
//读取文件内容
if(isset($_GET['readfile'])){
//输出查看密码，密码校验正确以后输出文件内容
if(empty($_POST['passchack'])){
echo"<form id=\"form1\" name=\"form1\" method=\"post\">"
. " <label>pass"
. " <input type=\"text\" name=\"passchack\" />"
. " </label>"
. " <input type=\"submit\" name=\"Submit\" value=\"提交\" />"
. "</form>"
."";
exit;
}elseif(isset($_POST['passchack'])&&$_POST['passchack']==$pass){
$code=file_get_contents($_GET['readfile']);
echo"<textarea name=\"code\" cols=\"150\" rows=\"30\" id=\"code\" style='width:100%;height:450px;background:#cccccc;'>{$code}</textarea>";
exit;
}else{
exit;
}
}else{
record_md5(M_PATH);
if(file_exists(M_LOG)){
$log = unserialize(file_get_contents(M_LOG));
}else{
$log = array();
}
if($_GET['savethis']==1){
//保存当前文件md5到日志文件
@unlink(M_LOG);
file_put_contents(M_LOG,serialize($file_list));
echo "<a href='scandir.php'>保存成功！点击返回</a>";
exit;
}
if(empty($log)){
echo "当前还没有创建日志文件！点击[保存当前]创建日志文件！";
}else{
if($file_list==$log){
echo "本文件夹没有做过任何改动！";
}else{
if(count($file_list) > 0 ){
foreach($file_list as $file => $md5){
if(!isset($log[$file])){
echo "新增文件：<a href={$file} target='_blank'>".$file."</a>"." 创建时间：".date("Y-m-d H:i:s",filectime($file))." 修改时间：".date("Y-m-d H:i:s",filemtime($file))." <a href=?readfile={$file} target='_blank'>源码</a><a href='?m=del&filename={$file}' target='_blank'>删除</u></a><br />";
}else{
if($log[$file] != $md5){
echo "修改文件：<a href={$file} target='_blank'>".$file."</a>"." 创建时间：".date("Y-m-d H:i:s",filectime($file))." 修改时间：".date("Y-m-d H:i:s",filemtime($file))." <a href=?readfile={$file} target='_blank'>源码</a><br />";
unset($log[$file]);
}else{
unset($log[$file]);
}
}
}
}
if(count($log)>0){
foreach($log as $file => $md5){
echo "删除文件：<a href={$file} target='_blank'>".$file."</a><br />";
}
}
}
}
}
}
//计算md5
function record_md5($jkdir){
global $file_list,$exclude;
if(is_dir($jkdir)){
$file=scandir($jkdir);
foreach($file as $f){
if($f!='.' && $f!='..' && !in_array($f, $exclude)){
$path = $jkdir.'/'.$f;
if(is_dir($path)){
record_md5($path);
}else{
$file_list[$path]=md5_file($path);
}
}
}
}
}
function Safe_Check($jkdir)//遍历文件
{
global $danger ,$suffix ,$jkdir_num ,$file_num ,$danger_num;
) or die('文件夹不存在') ;
while ($file=$hand->read())
{
$filename=$jkdir.'/'.$file;
if (!$jumpoff) {
if(Jump($filename))continue;
}
if(@is_dir($filename) && $file != '.' && $file!= '..'&& $file!='./..')
{ $jkdir_num++;
Safe_Check($filename);
}
if (preg_match_all ("/\.($suffix)/i",$filename,$out))
{
$str='';
$fp = @fopen($filename,'r')or die('没有权限');
while(!feof($fp))
{
$str .= fgets($fp,1024);
}
fclose($fp);
if( preg_match_all ("/($danger)[ \r\n\t]{0,}([\[\(])/i",$str,$out))
{
echo "<font color='green' style='font-size:14px'>可疑文件：{$filename}</font>"." 创建时间：".date("Y-m-d H:i:s",filectime($filename))." 修改时间：".date("Y-m-d H:i:s",filemtime($filename))." <a href='?readfile={$filename}' target='_blank'><u>查看代码</u></a> <a href='?m=del&filename=$filename' target='_blank'>删除</u></a><br>";
$danger_num++;
}
}
$file_num++;
}
}
function Edit()//查看可疑文件
{
global $filename;
$filename = str_replace("..","",$filename);
$file = $filename;
$content = "";
if(is_file($file))
{
$fp = fopen($file,"r")or die('没有权限');
$content = fread($fp,filesize($file));
fclose($fp);
$content = htmlspecialchars($content);
}
echo "<textarea name='str' style='width:100%;height:450px;background:#cccccc;'>$content</textarea>\r\n";
exit();
}
function Delete()//删除文件
{ global $filename,$pass;
if(empty($_POST['passchack'])){
echo"<form id=\"form1\" name=\"form1\" method=\"post\">"
. " <label>pass"
. " <input type=\"text\" name=\"passchack\" />"
. " </label>"
. " <input type=\"submit\" name=\"Submit\" value=\"提交\" />"
. "</form>"
."";
exit;
}elseif(isset($_POST['passchack'])&&$_POST['passchack']==$pass){
(is_file($filename))?($mes=unlink($filename)?'删除成功':'删除失败 查看权限'):'';
echo $mes;
exit();
}else{
echo '密码错误！';
exit;
}
}
function Jump($file)//跳过文件
{
global $jump,$safearr;
if($jump != '')
{
foreach($safearr as $v)
{
if($v=='') continue;
if( eregi($v,$file) ) return true ;
}
}
return false;
}
?>
<a href="scandir.php">[查看文件改动]</a>|<a href="scandir.php?savethis=1">[保存当前文件指纹]</a>|<a href="scandir.php?check=check">[扫描可疑文件]</a>The above code is the PHP web Trojan scanner code sharing. This article is accompanied by comments. If you don’t understand, please leave me a message. I believe there is more than one implementation method. You are welcome to share different implementation methods.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
