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Washi

@washi-dev.bsky.social
47 followers 25 following 12 posts

Hobbyist Developer and Reverse Engineer - CTF player - Scrub. 🔧 I develop #AsmResolver and ✍️ blog about my (stupid) projects. washi.dev

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Washi @washi-dev.bsky.social · 05/09/2026
Never would I have expected this for a spare time hobby project. 1 million downloads is crazy, thank you all ❤️ #asmresolver #malware #dotnet #reversing
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Washi @washi-dev.bsky.social · 04/08/2026
I hate writing pattern-matching code for function identification in my .NET #deobfuscator and config extractor. So I built a tool to help me out with it. Meet CILFI: A function identification tool for .NET binaries: 👉https://blog.washi.dev/posts/cilfi/ #dotnet #reversing #malware #ioc
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Washi @washi-dev.bsky.social · 31/05/2026
Custom attributes in #dotnet give me nightmares. Read my new blog post to learn why: 👉 blog.washi.dev/posts/custom... #reversing #malware #pe #binary #asmresolver
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Washi @washi-dev.bsky.social · 16/05/2026
#AsmResolver 6.0.0 is finally here! - Support for more PE architectures - Supercharged .NET multi-assembly processing - Compatible with NixOS and legacy .NET FX 3.5 - Many API improvements - Massive performance boosts 👉 github.com/Washi1337/As... #pe #dotnet #reversing #malware
github.com
Release 6.0.0 · Washi1337/AsmResolver
After 2 years of development, v6.0.0 is officially here! This version focuses on five key milestones: Expanded Architecture Support: A new Platform abstraction enables support for more architectu...
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Washi @washi-dev.bsky.social · 21/02/2026
Over the past couple years, I have come to know the #dotnet platform pretty well, from a developer's and a #reversing standpoint. I can’t always say the same the #infosec community. Today, I decided to rant a little (or maybe a lot 🙃) 👉 blog.washi.dev/posts/miscon...
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Washi @washi-dev.bsky.social · 23/12/2025
Better late than never, I finally managed to finalize my #flareon12 write-ups😄 Overall, it was a fun set of challenges and the latter ones a reminder of how much I still have to learn in the field of RE :). 👉 blog.washi.dev/posts/flareo... 👉 washi1337.github.io/ctf-writeups...
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Washi @washi-dev.bsky.social · 08/09/2025
#AsmResolver 6.0.0-beta.4 released! This release addresses many shortcomings found during beta.3, including ARM32 and ARM64 support, auto references importing, and many other DX improvements. 👉 Get it on GitHub or NuGet: github.com/Washi1337/As... #dotnet #pe #reversing
github.com
Release 6.0.0-beta.4 · Washi1337/AsmResolver
It's been a while since the last beta.3 release, and the main reason for this has been that beta.3 saw many more testers actively trying out v6.0.0 and pushing it to its limits. Beta.4 addresses ma...
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Washi @washi-dev.bsky.social · 18/04/2025
After #flareon11 challenge 7, I got inspired to build tooling for #dotnet Native AOT reverse engineering. As such, I built a #Ghidra Analyzer that can automatically recover most .NET types, methods and frozen objects (e.g., strings). 👉https://blog.washi.dev/posts/recovering-nativeaot-metadata/
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Washi @washi-dev.bsky.social · 08/03/2025
#AsmResolver 6.0.0-beta.3 just got pushed to NuGet! More bugs were found and squashed. We are closing in on a full release with most of the public API being stable. Get it on GitHub or NuGet👉 github.com/Washi1337/As... #dotnet #pe #reversing
github.com
Release 6.0.0-beta.3 · Washi1337/AsmResolver
This is a maintenance release. AsmResolver is closing in on a main release with most of the public API being stable. However, similar to 6.0.0-beta.2, this is still a pre-release and some of the pu...
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Washi @washi-dev.bsky.social · 11/01/2025
#AsmResolver 6.0.0-beta.2 has been released This is a maintenance release that addresses many regressions introduced by the refactors in 6.0.0-beta.1. Get it on NuGet or GitHub 👉 github.com/Washi1337/As...
github.com
Release 6.0.0-beta.2 · Washi1337/AsmResolver
This is a maintenance release that fixes some shortcomings and addresses various regressions introduced by the refactors in 6.0.0-beta.1. Similar to 6.0.0-beta.1, this is an unstable release and th...
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Washi @washi-dev.bsky.social · 17/11/2024
I just published my writeups for all challenges of #flareon11: 👉 blog.washi.dev/posts/flareo... 👉 washi1337.github.io/ctf-writeups... Hope you like them as much as I liked writing them!
washi1337.github.io
Flare-On 2024 - Washi's CTF WriteUps
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