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

# Quick

> Verified writeups for the Quick machine of Hack The Box

# Quick

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> HTTP/3 enum → Esigate ESI injection RCE → POS print server hijack</p>

<div className="machine-meta">
  | ·                | ·                                                                                                                                                                                                                                                                |
  | ---------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
  | Operating system | Linux                                                                                                                                                                                                                                                            |
  | Difficulty       | Hard                                                                                                                                                                                                                                                             |
  | Vector           | <span className="vbadge vbadge-web">Web</span>                                                                                                                                                                                                                   |
  | IP               | `10.10.10.186`                                                                                                                                                                                                                                                   |
  | Retirement date  | 2020-08-29                                                                                                                                                                                                                                                       |
  | Skills           | HTTP/3 Enumeration Recompiling curl to accept HTTP/3 requests Information Leakage Brute force in authentication panel XSS Injection Abusing Esigate (ESI Injection - RCE) Manipulating passwords in the database Abuing POS Print Server (File Hijacking Attack) |
</div>

## Writeups

| Language | Author                   | Format | Link                                                     |
| -------- | ------------------------ | ------ | -------------------------------------------------------- |
| 🇪🇸 ES  | **S4vitar**              | Vídeo  | [Open](https://www.youtube.com/watch?v=C1NZVah39ms)      |
| 🇪🇸 ES  | **El Pingüino de Mario** | Vídeo  | [Open](https://www.youtube.com/watch?v=mFUouGzMPTg)      |
| 🇬🇧 EN  | **0xdf**                 | Texto  | [Open](https://0xdf.gitlab.io/2020/08/29/htb-quick.html) |
| 🇬🇧 EN  | **IppSec**               | Vídeo  | [Open](https://www.youtube.com/watch?v=BFSdJYS1gFs)      |

## Skill resources

Curated documentation for each technique listed in the *Skills* column above. Sources: HackTricks, GTFOBins, PortSwigger, etc.

| Skill                           | Source      | Link                                                                                         |
| ------------------------------- | ----------- | -------------------------------------------------------------------------------------------- |
| Information Leakage             | HackTricks  | [Open](https://book.hacktricks.wiki/en/pentesting-web/information-leak.html)                 |
| Brute Force / Rate-Limit Bypass | HackTricks  | [Open](https://book.hacktricks.wiki/en/generic-methodologies-and-resources/brute-force.html) |
| Remote Code Execution (RCE)     | HackTricks  | [Open](https://book.hacktricks.wiki/en/pentesting-web/command-injection.html)                |
| Cross-Site Scripting (XSS)      | HackTricks  | [Open](https://book.hacktricks.wiki/en/pentesting-web/xss-cross-site-scripting/index.html)   |
| Cross-Site Scripting (XSS)      | PortSwigger | [Open](https://portswigger.net/web-security/cross-site-scripting)                            |

## Related skills worth mastering

Local File Inclusion (LFI) · Remote File Inclusion (RFI) · Shellshock (CVE-2014-6271) · SQL Injection · Server-Side Request Forgery

## If you liked this machine, try

* [Reel2](/en/htb/machines/windows/dificil/reel2) — Windows, Hard
* [Zetta](/en/htb/machines/linux/dificil/zetta) — Linux, Hard
* [CTF](/en/htb/machines/linux/insano/ctf) — Linux, Insane
* [Frolic](/en/htb/machines/linux/facil/frolic) — Linux, Easy
* [Hawk](/en/htb/machines/linux/medio/hawk) — Linux, Medium

***

## Comments & tips

Did the official writeup not work? Found a smarter trick? Share it here — comments live in [GitHub Discussions](https://github.com/FFuson/HTB_Writeups/discussions).

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

*Last updated: 2026-06-07*

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