> ## Documentation Index
> Fetch the complete documentation index at: https://rootea.es/llms.txt
> Use this file to discover all available pages before exploring further.

# Advent of Cyber 3 (2021)

> Get started with Cyber Security in 25 Days - Learn the basics by doing a new, beginner friendly security challenge every day leading up to Christmas.

# Advent of Cyber 3 (2021)

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> TryHackMe · Walkthrough · Easy</p>

<div className="machine-meta">
  | ·            | ·                                                  |
  | ------------ | -------------------------------------------------- |
  | Plataforma   | TryHackMe                                          |
  | Tipo         | Walkthrough                                        |
  | Dificultad   | <span className="dbadge dbadge-easy">EASY</span>   |
  | Acceso       | 🟢 Free                                            |
  | Tiempo medio | 1440 min                                           |
  | Usuarios     | 81.597                                             |
  | Sala oficial | [Abrir](https://tryhackme.com/room/adventofcyber3) |
</div>

## Descripción

Get started with Cyber Security in 25 Days - Learn the basics by doing a new, beginner friendly security challenge every day leading up to Christmas.

## Resolver la room

| Idioma  | Autor         | Formato     | Enlace                                             |
| ------- | ------------- | ----------- | -------------------------------------------------- |
| 🇬🇧 EN | **TryHackMe** | Lab oficial | [Abrir](https://tryhackme.com/room/adventofcyber3) |

## Recursos por skill

| Skill                          | Fuente               | Enlace                                                                                                  |
| ------------------------------ | -------------------- | ------------------------------------------------------------------------------------------------------- |
| Remote Code Execution (RCE)    | HackTricks           | [Abrir](https://book.hacktricks.wiki/en/pentesting-web/command-injection.html)                          |
| Authentication Vulnerabilities | PortSwigger          | [Abrir](https://portswigger.net/web-security/authentication)                                            |
| Credenciales por defecto       | HackTricks           | [Abrir](https://book.hacktricks.wiki/en/generic-methodologies-and-resources/brute-force.html)           |
| Directory / Path Traversal     | PortSwigger          | [Abrir](https://portswigger.net/web-security/file-path-traversal)                                       |
| SQL Injection                  | HackTricks           | [Abrir](https://book.hacktricks.wiki/en/pentesting-web/sql-injection/index.html)                        |
| SQL Injection                  | PortSwigger          | [Abrir](https://portswigger.net/web-security/sql-injection)                                             |
| AS-REP Roasting                | HackTricks           | [Abrir](https://book.hacktricks.wiki/en/windows-hardening/active-directory-methodology/asreproast.html) |
| Fuzzing de directorios         | HackTricks           | [Abrir](https://book.hacktricks.wiki/en/network-services-pentesting/pentesting-web/index.html)          |
| Access Control / IDOR          | PortSwigger          | [Abrir](https://portswigger.net/web-security/access-control)                                            |
| Local File Inclusion (LFI)     | HackTricks           | [Abrir](https://book.hacktricks.wiki/en/pentesting-web/file-inclusion/index.html)                       |
| Local File Inclusion (LFI)     | PayloadsAllTheThings | [Abrir](https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/File%20Inclusion)               |

## Skills relacionadas

[Remote Code Execution (RCE)](/skills/rce) · [Authentication Vulnerabilities](/skills/authentication) · [Credenciales por defecto](/skills/default-creds) · [Directory / Path Traversal](/skills/directory-traversal) · [SQL Injection](/skills/sqli) · [AS-REP Roasting](/skills/asreproast) · [Fuzzing de directorios](/skills/fuzzing) · [Access Control / IDOR](/skills/access-control)

***

## Comentarios y truquillos

¿Has resuelto la room por una vía distinta? Compártela aquí — los comentarios viven en [GitHub Discussions](https://github.com/FFuson/HTB_Writeups/discussions).

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*Última actualización: 2026-05-09*

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