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Kavun-Sama/README.md

Reverse engineering, backends, and the tooling in between. 🍉

I take systems apart to understand how they work, then build the missing pieces around them — protocols, backends, clients, tooling, and infrastructure.

Mostly games and the infrastructure around them: Unity/IL2CPP internals, native reversing, undocumented APIs, network protocols, backend services, and the occasional workaround for systems that were not designed to cooperate.

A few examples:

  • jazztun — tunnels arbitrary TCP through Salute Jazz WebRTC when conventional VPN traffic is blocked.
  • rednote-scraper — browserless RedNote scraper built around reverse-engineered request signing, session behavior, and media endpoints.
  • shodan-checker — async crawler that filters Shodan results down to hosts that actually respond.
  • midi2lyre — MIDI player for Genshin Impact's Windsong Lyre with automatic key detection and note remapping.

🌐 kkkavun.pw · 📬 @kkkavun

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  1. jazztun jazztun Public archive

    TCP tunnel over Salute Jazz WebRTC. Routes traffic through video-call infrastructure to bypass VPN blocking. SOCKS5 proxy, AES-256-GCM.

    Go 7

  2. droso-ring droso-ring Public

    A Drosophila-inspired neural ALU that performs exact addition, subtraction, multiplication, and division through ring-attractor dynamics.

    Python 1

  3. shodan-checker shodan-checker Public

    Async Shodan dork crawler that keeps only the hosts that actually respond.

    Python 2

  4. rednote-scraper rednote-scraper Public

    CLI scraper for RedNote (Xiaohongshu) search results with full-resolution image and video downloads.

    Python 1

  5. lucky-try-frontend lucky-try-frontend Public

    Redesigned frontend for a browser games portal

    Astro 2

  6. portfolio portfolio Public

    Personal portfolio and résumé. Vanilla TypeScript, Vite, no framework — under 6 KB of JS per page.

    TypeScript 1