semblance
zydis
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| semblance | zydis | |
|---|---|---|
| - | 4 | |
| 131 | 3,188 | |
| - | 2.4% | |
| 3.3 | 7.7 | |
| 3 months ago | 8 days ago | |
| C | C | |
| GNU General Public License v3.0 only | MIT License |
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Tracking mentions began in Dec 2020.
zydis
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Exploring x86-64 Instruction Encoding
You can visualize how instructions are encoded with zydisinfo. Pass in your architecture and the hex bytes of the instructions and it’ll show all relevant info
https://github.com/zyantific/zydis/tree/master
https://www.hexacorn.com/blog/2023/09/27/zydisinfo-the-disas...
- Zydis – Fast and lightweight x86/x86-64 disassembler and code generation library
- Zydis Disassembler Library - Release v3.2.0
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Resources on building a disassembler/debugger(like gdb/IDA but better) in C ?
Start with a disassembler. Your first job is to parse out the binary format (ELF/PE/Mach-O) and get the raw bytes representing the machine code from the text section. You need to parse and decode them into actual instructions, and a disassembly framework like capstone or zydis or countless others can help interpret the bytes. At this point you now have a basic linear disassembly view (similar to objdump) of your compiled executable, and can continue to add features, like visualizing control flow, identifying functions, resolving strings and imports from the other sections, etc.
What are some alternatives?
ret-sync - ret-sync is a set of plugins that helps to synchronize a debugging session (WinDbg/GDB/LLDB/OllyDbg2/x64dbg) with IDA/Ghidra/Binary Ninja disassemblers.
radare2 - UNIX-like reverse engineering framework and command-line toolset
radare2 - UNIX-like reverse engineering framework and command-line toolset [Moved to: https://github.com/radareorg/radare2]
capstone - Capstone disassembly/disassembler framework: Core (Arm, Arm64, BPF, EVM, M68K, M680X, MOS65xx, Mips, PPC, RISCV, Sparc, SystemZ, TMS320C64x, Web Assembly, X86, X86_64, XCore) + bindings. [Moved to: https://github.com/capstone-engine/capstone]
cpufetch - Simple yet fancy CPU architecture fetching tool
flecs - A fast entity component system (ECS) for C & C++
fadec - A fast and lightweight decoder for x86 and x86-64 and encoder for x86-64.
capstone - Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), BPF, Ethereum VM, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, TriCore, Webassembly, XCore and X86.
hdis86 - Haskell interface to the udis86 disassembler for x86 and x86-64 / AMD64
microarchitecture-cheatsheet - X86 CPU topics overview for developers , oriented towards performance
hackintosh - macOS Big Sur 11.2 for the Dell Inspiron 15 5567 2017 using the OpenCore bootloader.