wazuh环境配置及案例复现

wazuh环境配置

进入官网下载ova软件

https://documentation.wazuh.com/current/deployment-options/virtual-machine/virtual-machine.html

打开下载的ova，密码和用户名会显示在上面
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设置NAT模式
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然后重启网络，查看ip

service network restart
ip add

开启小皮，在浏览器上输入ip进行访问，用户名和密码都是admin

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进入之后的页面
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案例复现

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首先。在nginx的目录/var/www/html创建一个文件index.php

<?php
function fun($var): bool{
    $blacklist = ["\$_", "eval","copy" ,"assert","usort","include", "require", "$", "^", "~", "-", "%", "*","file","fopen","fwriter","fput","copy","curl","fread","fget","function_exists","dl","putenv","system","exec","shell_exec","passthru","proc_open","proc_close", "proc_get_status","checkdnsrr","getmxrr","getservbyname","getservbyport", "syslog","popen","show_source","highlight_file","`","chmod"];
 
    foreach($blacklist as $blackword){
        if(strstr($var, $blackword)) return True;
    }
 
    
    return False;
}
error_reporting(0);
//设置上传目录
define("UPLOAD_PATH", "./uploads");
$msg = "Upload Success!";
if (isset($_POST['submit'])) {
$temp_file = $_FILES['upload_file']['tmp_name'];
$file_name = $_FILES['upload_file']['name'];
$ext = pathinfo($file_name,PATHINFO_EXTENSION);
if(!preg_match("/php/i", strtolower($ext))){
die("只要好看的php");
}
 
$content = file_get_contents($temp_file);
if(fun($content)){
    die("诶，被我发现了吧");
}
$new_file_name = md5($file_name).".".$ext;
        $img_path = UPLOAD_PATH . '/' . $new_file_name;
 
 
        if (move_uploaded_file($temp_file, $img_path)){
            $is_upload = true;
        } else {
            $msg = 'Upload Failed!';
            die();
        }
        echo '<div style="color:#F00">'.$msg." Look here~ ".$img_path."</div>";
}

然后创建一个前端页面index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div class="light"><span class="glow">
            <form enctype="multipart/form-data" method="post" action="./index.php">
                嘿伙计,传个火,点支烟，快活人生？！
                <input class="input_file" type="file" name="upload_file" />
                <input class="button" type="submit" name="submit" value="upload" />
            </form>
    </span><span class="flare"></span>
    </div>
</body>
</html>

执行后的结果
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