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

# Tenet

> Verified writeups for the Tenet machine of Hack The Box

# Tenet

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> PHP deser + race condition → root</p>

<div className="machine-meta">
  | ·                | ·                                                 |
  | ---------------- | ------------------------------------------------- |
  | Operating system | Linux                                             |
  | Difficulty       | Medium                                            |
  | Vector           | <span className="vbadge vbadge-web">Web</span>    |
  | IP               | `10.10.10.223`                                    |
  | Retirement date  | 2021-06-12                                        |
  | Skills           | PHP Deserialization Attack Abusing Race Condition |
</div>

## Writeups

| Language | Author      | Format | Link                                                     |
| -------- | ----------- | ------ | -------------------------------------------------------- |
| 🇪🇸 ES  | **S4vitar** | Vídeo  | [Open](https://www.youtube.com/watch?v=Isgpbsi9Tpc)      |
| 🇬🇧 EN  | **0xdf**    | Texto  | [Open](https://0xdf.gitlab.io/2021/06/12/htb-tenet.html) |
| 🇬🇧 EN  | **IppSec**  | Vídeo  | [Open](https://www.youtube.com/watch?v=LhdE7dXbTQw)      |

## Skill resources

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

| Skill                    | Source      | Link                                                         |
| ------------------------ | ----------- | ------------------------------------------------------------ |
| Insecure Deserialization | PortSwigger | [Open](https://portswigger.net/web-security/deserialization) |
| Race Conditions          | PortSwigger | [Open](https://portswigger.net/web-security/race-conditions) |

## Related skills worth mastering

Remote Code Execution (RCE)

## If you liked this machine, try

* [Celestial](/en/htb/machines/linux/medio/celestial) — Linux, Medium
* [Valentine](/en/htb/machines/linux/facil/valentine) — Linux, Easy
* [Json](/en/htb/machines/windows/medio/json) — Windows, Medium
* [Travel](/en/htb/machines/linux/dificil/travel) — Linux, Hard
* [Jewel](/en/htb/machines/linux/medio/jewel) — 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:tenet" data-giscus-lang="en" />

*Last updated: 2026-06-07*

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