Rust binary-translation Projects

steg86

2 245 7.3 Rust

Hiding messages in x86 programs using semantic duals

Project mention: Weird things I learned while writing an x86 emulator | news.ycombinator.com | 2023-02-02

This is a good list! Another fun quirk: because x86 is a register-memory architecture and allows all kinds of variants of reg/mem operand encodings, there are a handful of equivalent encodings with exactly the same lengths (and just slightly different ModR/M bytes). You can take advantage of this to do software fingerprinting or, in my case, steganography without changing an executable’s size or semantics[1].
[1]: https://github.com/woodruffw/steg86
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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-02-02.