Ajout de l'evenement de octobre 2026

_posts/2026-10-21-matryoshka-security-system.md

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+---
+# Editing the below variables is the absolute minimum to get stuff up. Feel
+# free [obliged] to add editorial niceties or strip the page if you need to
+# include something more complex.
+season: 23
+episode: 05
+layout: default
+title: UnitedCTF - Matryoshka Security System  
+# summary for social media cards. Ideal length 55 chars, max 200
+summary: UnitedCTF - Matryoshka Security System  
+tags: UnitedCTF UEFI
+date_fr: 2026-10-21
+date_long_fr: Mercredi le 21 octobre 2026 18:00 à 21:00
+date_en: 10-21-2026
+date_long_en: Wednesday October 21st 2026 18:00 to 21:00
+description_fr: >
+   Ce Challenge fait partie du UnitedCTF2026! Nous explorerons les interactions entre les applications UEFI et dénicherons les flags dissimulés au sein de la chaîne.
+description_en: >
+   This track is one of UnitedCTF 2026’s challenge tracks! We’ll explore what UEFI applications can really do to one another, and dig out flags buried in the chain.
+tools_fr:
+  - IDA Free, Qemu et pwndbg
+tools_en:
+  - IDA Free, Qemu and pwndbg
+presented_by_fr: Défi présenté par Olivier Ouellette (P.S.Y)
+presented_by_en: Presented by Olivier Ouellette (P.S.Y)
+featured_img: /images/2026-10.jpeg
+featured_img_alt: Matryoshka banner
+location: CyberEco
+---
+
+# Next edition: {{ page.date_en }}
+[French version](#french)
+
+### Season {{ page.season }} Episode {{ page.episode }}
+
+## {{ page.title }}
+
+The next edition of Montrehack will be held on {{ page.date_long_en }}.
+
+![ {{ page.featured_img_alt }} ]( {{ page.featured_img }}#centered)
+
+{{ page.description_en }}
+
+{% if page.challenge_assets %}
+{::options parse_block_html="true" /}
+<div class="assets">
+## Challenge Assets
+{% for asset in page.challenge_assets %}
+* [ {{ asset.name }} ]({{ asset.url }})
+{% endfor %}
+</div>
+{% endif %}
+
+{% if page.archived_assets %}
+{::options parse_block_html="true" /}
+<div class="archives">
+## Archives
+This edition is over. Here are the archived assets:
+{% for asset in page.archived_assets %}
+* [ {{ asset.name }} ]({{ asset.url }})
+{% endfor %}
+</div>
+{% endif %}
+
+## Tools and Experience Required
+
+{% for tool in page.tools_en %}
+* {{ tool }}
+{% endfor %}
+
+## Where
+
+
+* {{ page.location }}
+* Follow the presentation [online on Twitch](https://twitch.tv/montrehack/)
+* Participate in teams or on your own [on Discord](https://discord.gg/4qfFwPX)
+
+## When
+
+{{ page.date_long_en | capitalize }}
+
+## How
+
+* Workshop style
+* Bring your own laptop
+* Challenges will be analyzed
+* Small groups of people can work on each challenge
+* Solutions to each challenge will be presented to everyone at the end of the event
+
+## Credits
+
+{{ page.presented_by_en }}
+
+<a id="french"></a>
+
+# Prochaine édition: {{ page.date_fr }}
+
+### Saison {{ page.season }} épisode {{ page.episode }}
+
+## {{ page.title }}
+
+La prochaine édition de Montréhack aura lieu {{ page.date_long_fr }}.
+
+![ {{ page.featured_img_alt }}]( {{ page.featured_img }}#centered)
+
+{{ page.description_fr }}
+
+{% if page.challenge_assets %}
+{::options parse_block_html="true" /}
+<div class="assets">
+## Challenge Assets
+{% for asset in page.challenge_assets %}
+* [ {{ asset.name }} ]({{ asset.url }})
+{% endfor %}
+</div>
+{% endif %}
+
+{% if page.archived_assets %}
+{::options parse_block_html="true" /}
+<div class="archives">
+## Les Archives
+Cette édition est terminé, voici les archives:
+{% for asset in page.archived_assets %}
+* [ {{ asset.name }} ]({{ asset.url }})
+{% endfor %}
+</div>
+{% endif %}
+
+## Outils et expérience requis
+
+{% for tool in page.tools_fr %}
+* {{ tool }}
+{% endfor %}
+
+## Où
+
+* {{ page.location }}
+* Suivez la présentation [en ligne sur Twitch](https://twitch.tv/montrehack/)
+* Participez seul ou en équipe [sur Discord](https://discord.gg/4qfFwPX)
+
+## Quand
+
+{{ page.date_long_fr | capitalize]]
+
+## Comment
+
+* Formule atelier
+* Apportez votre ordinateur portable
+* Des problèmes seront étudiés et expliqués
+* Chaque problème sera analysé en petits groupes
+* Les solutions seront présentées avec tout le monde à la fin de la rencontre
+
+## Remerciements
+
+{{ page.presented_by_fr }}
+
+<hr/>
+### Sponsors // Partenaires
+
+[![NorthSec](/images/nsec_logo.png)](https://nsec.io/)
+
+Interested to sponsor or present a challenge? [Contact us here](https://docs.google.com/forms/d/e/1FAIpQLSecc0vfe3pIwMJjIBCYW4G43ZwtagwVESu_qHKnglnBc3R3ww/viewform?usp=sf_link).