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

# Epsilon

> Writeups verificados de la máquina Epsilon de Hack The Box

# Epsilon

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> Git leak → AWS Lambda enum → JWT bypass → SSTI → tar symlink</p>

<div className="machine-meta">
  | ·                 | ·                                                                                                                                                                              |
  | ----------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
  | Sistema operativo | Linux                                                                                                                                                                          |
  | Dificultad        | Medio                                                                                                                                                                          |
  | Vector            | <span className="vbadge vbadge-web">Web</span>                                                                                                                                 |
  | IP                | `10.10.11.134`                                                                                                                                                                 |
  | Fecha de retirada | 2022-03-10                                                                                                                                                                     |
  | Skills            | Git Source Leak Exploit (GitHack) AWS Enumeration Lambda Function Enumeration Authentication Bypass Abusing JWT Server Side Template Injection (SSTI) Tar Symlink Exploitation |
</div>

## Writeups

| Idioma  | Autor       | Formato | Enlace                                                                     |
| ------- | ----------- | ------- | -------------------------------------------------------------------------- |
| 🇪🇸 ES | **S4vitar** | Vídeo   | [Abrir](https://www.youtube.com/watch?v=tMsK6ZiB7CQ)                       |
| 🇬🇧 EN | **0xdf**    | Texto   | [Abrir](https://0xdf.gitlab.io/2022/03/10/htb-epsilon.html)                |
| 🇬🇧 EN | **IppSec**  | Vídeo   | [Abrir](https://www.youtube.com/@ippsec/search?query=HackTheBox%20Epsilon) |

## Recursos por skill

Documentación curada para cada técnica que aparece en la columna *Skills* de arriba. Fuentes: HackTricks, GTFOBins, PortSwigger, etc.

| Skill                                 | Fuente      | Enlace                                                                         |
| ------------------------------------- | ----------- | ------------------------------------------------------------------------------ |
| SSTI (Server-Side Template Injection) | PortSwigger | [Abrir](https://portswigger.net/web-security/server-side-template-injection)   |
| Authentication Vulnerabilities        | PortSwigger | [Abrir](https://portswigger.net/web-security/authentication)                   |
| Remote Code Execution (RCE)           | HackTricks  | [Abrir](https://book.hacktricks.wiki/en/pentesting-web/command-injection.html) |
| JSON Web Tokens (JWT)                 | PortSwigger | [Abrir](https://portswigger.net/web-security/jwt)                              |

## Skills relacionadas que conviene dominar

Local File Inclusion (LFI) · Remote File Inclusion (RFI) · Shellshock (CVE-2014-6271)

## Si te gustó esta máquina, prueba

* [Noter](/htb/machines/linux/medio/noter) — Linux, Medio
* [Helpline](/htb/machines/windows/dificil/helpline) — Windows, Difícil
* [Backend](/htb/machines/linux/medio/backend) — Linux, Medio
* [BackendTwo](/htb/machines/linux/medio/backendtwo) — Linux, Medio
* [Flustered](/htb/machines/linux/medio/flustered) — Linux, Medio

***

## Comentarios y truquillos

¿Algo no funcionó del writeup oficial? ¿Has encontrado un truco mejor? Compártelo aquí — los comentarios viven en [GitHub Discussions](https://github.com/FFuson/HTB_Writeups/discussions).

<div className="rootea-giscus-wrap" data-giscus-term="machine:epsilon" data-giscus-lang="es" />

*Última actualización: 2026-06-07*

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