Show HN: Analyze binary capabilities using capa directly in your browser

1 points by rmast a month ago · 0 comments · 1 min read

Hey all!

I’ve been working on getting Mandiant’s capa (a tool for identifying capabilities in executables) to run entirely client-side in the browser using Pyodide.

To make this happen, I’ve been working through the capa dependency tree to ensure all upstream packages publish an sdist or pure-Python wheels. We’ve finally reached the point where it’s possible to run capa to analyze binaries in a browser using the vivisect backend.

The long-term goal is to upstream these changes to the official mandiant/capa repository. I’d love for people to try it out and let me know how the performance feels or if you run into any quirks.

Again, a live version can be found here: https://surfactant.readthedocs.io/en/latest/capa/

And the source files for the page is here: https://github.com/llnl/Surfactant/tree/main/docs/capa

Suggestions and bug reports are welcome!

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