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

# Retired

> Verified writeups for the Retired machine of Hack The Box

# Retired

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> LFI filter bypass + BOF x64 ROP → binfmt\_misc privesc</p>

<div className="machine-meta">
  | ·                | ·                                                                                                                                                                                                                                                                                                  |
  | ---------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
  | Operating system | Linux                                                                                                                                                                                                                                                                                              |
  | Difficulty       | Medium                                                                                                                                                                                                                                                                                             |
  | Vector           | <span className="vbadge vbadge-binary-exploitation">Binary</span>                                                                                                                                                                                                                                  |
  | IP               | `10.10.11.154`                                                                                                                                                                                                                                                                                     |
  | Retirement date  | 2022-08-13                                                                                                                                                                                                                                                                                         |
  | Skills           | LFI (Local File Inclusion) - Filter Bypass \[Abusing str\_replace] Buffer Overflow x64 - Full RELRO, NX, PIE, ASLR Bypass \[ROP - Abusing a writable section] Creating an Autopwn Script \[Python Scripting] Abusing System Services \[User Pivoting] Abusing binfmt\_misc \[Privilege Escalation] |
</div>

## Writeups

| Language | Author                   | Format | Link                                                       |
| -------- | ------------------------ | ------ | ---------------------------------------------------------- |
| 🇪🇸 ES  | **S4vitar**              | Vídeo  | [Open](https://www.youtube.com/watch?v=ys-az6SyheE)        |
| 🇪🇸 ES  | **El Pingüino de Mario** | Vídeo  | [Open](https://www.youtube.com/watch?v=Uyy3kAfm-1w)        |
| 🇬🇧 EN  | **0xdf**                 | Texto  | [Open](https://0xdf.gitlab.io/2022/08/13/htb-retired.html) |
| 🇬🇧 EN  | **IppSec**               | Vídeo  | [Open](https://www.youtube.com/watch?v=1MDqn1kBHQM)        |

## Skill resources

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

| Skill                       | Source               | Link                                                                                       |
| --------------------------- | -------------------- | ------------------------------------------------------------------------------------------ |
| Local File Inclusion (LFI)  | HackTricks           | [Open](https://book.hacktricks.wiki/en/pentesting-web/file-inclusion/index.html)           |
| Local File Inclusion (LFI)  | PayloadsAllTheThings | [Open](https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/File%20Inclusion)   |
| Buffer Overflow (BoF / ROP) | HackTricks           | [Open](https://book.hacktricks.wiki/en/binary-exploitation/stack-overflow/index.html)      |
| Port Forwarding / Pivoting  | HackTricks           | [Open](https://book.hacktricks.wiki/en/generic-hacking/tunneling-and-port-forwarding.html) |

## Related skills worth mastering

Remote File Inclusion (RFI) · Remote Code Execution (RCE)

## If you liked this machine, try

* [ServMon](/en/htb/machines/windows/facil/servmon) — Windows, Easy
* [Inception](/en/htb/machines/linux/medio/inception) — Linux, Medium
* [October](/en/htb/machines/linux/medio/october) — Linux, Medium
* [Waldo](/en/htb/machines/linux/medio/waldo) — Linux, Medium
* [EarlyAccess](/en/htb/machines/linux/dificil/earlyaccess) — Linux, Hard

***

## 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:retired" data-giscus-lang="en" />

*Last updated: 2026-07-13*

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