---
title: "Discussion on \"CTF Writeup: Ghost Frequency | Forensics | CSS CTF 2026: Return of Nexus\" | Hashnode"
description: "Discussion on \"CTF Writeup: Ghost Frequency | Forensics | CSS CTF 2026: Return of Nexus\". Description\n\nKBR-17's maintenance black box survived The Severance, but its final transmission never reached the Nexus archive.\n\n\nRelay documentation says the recorder captured two maintenance channel"
url: "https://hashnode.com/posts/ctf-writeup-ghost-frequency-forensics-css-ctf-2026-return-of-nexus/6af267798c0471ffe8679cde"
---

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# [CTF Writeup: Ghost Frequency | Forensics | CSS CTF 2026: Return of Nexus](https://mollysohaney.hashnode.dev/ctf-writeup-ghost-frequency-forensics-css-ctf-2026-return-of-nexus?utm_source=hashnode&utm_medium=feed)

Description KBR-17's maintenance black box survived The Severance, but its final transmission never reached the Nexus archive. Relay documentation says the recorder captured two maintenance channel

1d ago · 11 min read · mollysohaney.hashnode.dev  
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-   [#ctf-writeup](https://hashnode.com/tag/ctf-writeup)
-   [#write-up](https://hashnode.com/tag/write-up)
-   [#forensics](https://hashnode.com/tag/forensics)

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[Molly Sohaney](https://hashnode.com/@mollysohaney)

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