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obfuscator-llvm avatar

obfuscator-llvm/obfuscator

0
View on GitHub↗

Obfuscator

This project is an LLVM obfuscator compiler and machine code obfuscator designed to protect C++ applications from decompilation and static analysis. It functions as an LLVM pass framework that transforms intermediate representation into complex machine code to prevent the reverse engineering of program logic.

The tool implements binary security hardening and anti-reverse engineering measures to protect intellectual property. It achieves this by modifying the compilation pipeline to hide original control flow and data structures.

The transformation process includes control-flow flattening, the injection of opaque predicates, and instruction substitution. It further complicates the binary through dead code insertion and the modification of machine instructions while preserving original execution semantics.

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Features

  • Obfuscation Pass Frameworks - Functions as an LLVM pass framework that transforms intermediate representation to protect program logic.
  • Control Flow Flattening - Provides control-flow flattening to hide logical branches using a centralized dispatcher loop.
  • LLVM-Based Compilers - Provides a compiler toolchain based on LLVM that generates obfuscated machine code.
  • IR Obfuscation - Transforms LLVM intermediate representation into complex structures to prevent reverse engineering.
  • Obfuscated - Implements low-level modification of machine instructions to protect binaries from static analysis.
  • C++ Binary Protectors - Hardens compiled C++ applications against decompilation and static analysis.
  • Reverse Engineering Prevention - Applies technical transformations to the binary to prevent the recovery of original program logic.
  • Binary Structure Obfuscation - Alters the internal structural layout and control flow of binaries to hinder static analysis.
  • Code Obfuscators - Transforms compiled instructions into a complex format to prevent reverse engineering.
  • Obfuscating Compilers - Integrates obfuscation techniques directly into the compilation process to generate secure binaries.
  • Dead Code Injection - Injects junk instructions and unreachable code paths to increase binary complexity.
  • Instruction Substitution - Replaces simple assembly instructions with complex equivalent sequences to confuse static analysis tools.
  • Opaque Predicate Injections - Adds complex conditional branches that evaluate to known values to deceive automated analyzers.
  • Binary Intellectual Property Protection - Protects proprietary algorithms by obscuring implementation details within the compiled binary.
  • Obfuscation Pass Injection - Utilizes a framework of transformation passes to modify the optimization pipeline for code obfuscation.
  • Reverse Engineering Tools - LLVM-based obfuscation framework.
  • Obfuscation - C/C++ obfuscator based on LLVM.
4,359 stars·1,289 forks·35 views

Star history

Star history chart for obfuscator-llvm/obfuscatorStar history chart for obfuscator-llvm/obfuscator

How this analysis was created: This summary and feature list are AI-generated from collected project material and can contain mistakes. Stars, license and language are imported from GitHub. Inclusion does not mean that we have tested or audited this project. Check the source documentation for any feature you depend on. Learn more on our About page.

Projects sharing features with Obfuscator

These projects share indexed features with Obfuscator. Shared tags can include platform or build tooling; verify the primary use case before treating a result as a replacement.
  • javascript-obfuscator/javascript-obfuscatorjavascript-obfuscator avatar

    javascript-obfuscator/javascript-obfuscator

    16,129View on GitHub↗

    This project is a JavaScript code protection tool designed to transform source code into a version that is difficult for humans to read. Its primary purpose is to protect intellectual property and prevent reverse engineering by altering the original program logic. The tool employs several advanced techniques to hinder analysis, including control flow flattening and the injection of dead code. It can compile functions into custom bytecode executed by an embedded virtual machine and encrypt string literals to prevent static analysis of text. Additional capabilities include anti-debugging mecha

    TypeScript
    View on GitHub↗16,129
  • xoreaxeaxeax/movfuscatorxoreaxeaxeax avatar

    xoreaxeaxeax/movfuscator

    10,132View on GitHub↗

    Movfuscator is an obfuscating compiler that transforms C source code into x86 machine code consisting exclusively of move instructions. It implements all program logic, arithmetic, and control flow using a move-only instruction set to hide the execution path and prevent reverse engineering. The project includes a move-only library that performs double precision floating point calculations without using native floating point instructions. It also features a translator that converts these move-only binaries into restricted data transfers and indexed addressing for compatibility with RISC archit

    C
    View on GitHub↗10,132
  • obfuscar/obfuscarobfuscar avatar

    obfuscar/obfuscar

    3,007View on GitHub↗

    Obfuscar is a .NET assembly obfuscator and managed code protector designed to prevent reverse engineering of compiled binaries. It functions as a binary metadata compressor and security tool that renames symbols and encodes strings to protect intellectual property. The project distinguishes itself by altering the Common Intermediate Language structure and modifying assembly metadata tables to hide implementation details. It provides string-to-buffer encoding to prevent plain-text analysis of constants and includes a strong-name re-signing mechanism to ensure modified assemblies remain valid a

    C#c-sharpdotnetdotnet-framework
    View on GitHub↗3,007
  • zeusssz/hercules-obfuscatorzeusssz avatar

    zeusssz/hercules-obfuscator

    217View on GitHub↗

    Hercules is a security tool designed to protect Lua source code from reverse engineering and unauthorized analysis. It functions as a code transformation engine that secures application logic by applying multiple layers of obfuscation, including control flow manipulation and the wrapping of scripts within a custom virtual machine environment. The project distinguishes itself through a multi-stage pipeline architecture that allows for the development of custom, multi-layered protection strategies. By replacing standard language instructions with custom opcodes and reorganizing linear code into

    Lualualua-obfuscatorobfuscator
    View on GitHub↗217
Compare all 30 related projects→

Frequently asked questions

What does obfuscator-llvm/obfuscator do?

This project is an LLVM obfuscator compiler and machine code obfuscator designed to protect C++ applications from decompilation and static analysis. It functions as an LLVM pass framework that transforms intermediate representation into complex machine code to prevent the reverse engineering of program logic.

What are the main features of obfuscator-llvm/obfuscator?

The main features of obfuscator-llvm/obfuscator are: Obfuscation Pass Frameworks, Control Flow Flattening, LLVM-Based Compilers, IR Obfuscation, Obfuscated, C++ Binary Protectors, Reverse Engineering Prevention, Binary Structure Obfuscation.

Which projects share features with obfuscator-llvm/obfuscator?

Projects with overlapping indexed features include: javascript-obfuscator/javascript-obfuscator — This project is a JavaScript code protection tool designed to transform source code into a version that is difficult… xoreaxeaxeax/movfuscator — Movfuscator is an obfuscating compiler that transforms C source code into x86 machine code consisting exclusively of… obfuscar/obfuscar — Obfuscar is a .NET assembly obfuscator and managed code protector designed to prevent reverse engineering of compiled… zeusssz/hercules-obfuscator — Hercules is a security tool designed to protect Lua source code from reverse engineering and unauthorized analysis. It… exaloop/codon — Codon is an LLVM-based Python compiler and statically typed implementation that translates source code into optimized… c3lang/c3c — c3c is the compiler for the C3 programming language, transforming source code into executable binaries, static…