> For the complete documentation index, see [llms.txt](https://writeups.ayweth20.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://writeups.ayweth20.com/2025/404ctf-2025/securite-web/sideral-noise.md).

# Sideral Noise

**Catégorie:** Sécurité Web - **Difficulté:** Moyen

{% file src="/files/zDZI0UC5liv2ahMsTjtJ" %}

**Description:**

<figure><img src="https://4219205392-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fybn4btwQnvitOl9uXz9p%2Fuploads%2FFqXXKvu7Mia7uHG4kwRq%2Fimage.png?alt=media&amp;token=cc13a30d-1e45-46b3-8164-e2575551c3ed" alt=""><figcaption></figcaption></figure>

Solution:

<details>

<summary>🚩FLAG</summary>

`404CTF{}`

</details>