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Top 23 C Reverse Engineering Projects
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Stream
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Unicorn Engine
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, PowerPC, RiscV, S390x, TriCore, X86)
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capstone
Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), Alpha, BPF, Ethereum VM, HPPA, LoongArch, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, TriCore, Webassembly, XCore and X86.
When I was last working with machine code, I found capstone to be very useful. Even just reading the source was helpful for some of the conditionally present amd64 fields.
https://github.com/capstone-engine/capstone
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pafish
Pafish is a testing tool that uses different techniques to detect virtual machines and malware analysis environments in the same way that malware families do
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Project mention: HyperDbg: A debugger designed for analyzing, fuzzing and reversing | news.ycombinator.com | 2024-11-15
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Project mention: Hexagon fuzz: Full-system emulated fuzzing of Qualcomm basebands | news.ycombinator.com | 2025-07-02
Rizin[1] (from `dev` git) has good support of Hexagon ISA and MDT images as well as RzIL uplifting, see the implementation [2]. Would definitely help for the static analysis in addition to these tools.
[1] https://github.com/rizinorg/rizin
[2] https://github.com/rizinorg/rizin/tree/dev/librz/arch/isa/he...
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Indeed, the tooling is the problem. And I wouldn't hold my breath to see this tooling being implemented, as the feature has been around for quite a bit.
IMHO, PANDA [1] remains a better/more practical choice for whole-system record/replay analysis. It already offers quite a bit of tooling (including a python interface), as well as hooks to build your own. It does have its own shortcomings (speed and not being in-sync with the latest QEMU), but at least you're not limited to gdb-based debugging.
[1] https://panda.re/
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Project mention: PHP-SPX: profiling extension with its built-in web UI for PHP | news.ycombinator.com | 2025-06-05
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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.
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Hacking-Windows
A FREE Windows C development course where we will learn the Win32API and reverse engineer each step utilizing IDA Free in both an x86 and x64 environment.
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Project mention: Dethrace: Reverse engineering the 1997 game "Carmageddon" | news.ycombinator.com | 2024-09-25
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dumpulator
An easy-to-use library for emulating memory dumps. Useful for malware analysis (config extraction, unpacking) and dynamic analysis in general (sandboxing).
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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).
C Reverse Engineering discussion
C Reverse Engineering related posts
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Hexagon fuzz: Full-system emulated fuzzing of Qualcomm basebands
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Bread: Bios Reverse Engineering and Advanced Debugger
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Machine Code Isn't Scary
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Fujihack
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Tomb Engine
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A decompilation and port of Sonic Advance 2-a GameBoy Advance game written in C
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Cramming Solitaire onto a Nintendo E-Reader card
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A note from our sponsor - Stream
getstream.io | 12 Jul 2025
Index
What are some of the best open-source Reverse Engineering projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | radare2 | 21,916 |
| 2 | Unicorn Engine | 8,318 |
| 3 | capstone | 8,130 |
| 4 | pafish | 3,681 |
| 5 | HyperDbg | 3,324 |
| 6 | rizin | 2,978 |
| 7 | Il2CppInspector | 2,765 |
| 8 | panda | 2,627 |
| 9 | pokeemerald | 2,626 |
| 10 | php-spx | 2,394 |
| 11 | ret-sync | 2,143 |
| 12 | dji-firmware-tools | 1,805 |
| 13 | papermario | 1,466 |
| 14 | Hacking-Windows | 1,433 |
| 15 | pokefirered | 1,165 |
| 16 | REDRIVER2 | 1,160 |
| 17 | e9patch | 1,031 |
| 18 | dethrace | 951 |
| 19 | pokeruby | 868 |
| 20 | radare2-book | 850 |
| 21 | PDBRipper | 842 |
| 22 | dumpulator | 799 |
| 23 | VAC | 769 |
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