java-bytecode

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jboss-javassist / javassist

Star 4.2k

Java bytecode engineering toolkit

java java-bytecode

Updated Oct 3, 2024
Java

jar-analyzer / jar-analyzer

Star 1.8k

Jar Analyzer - 一个 JAR 包 GUI 分析工具,方法调用关系搜索,方法调用链 DFS 算法分析,模拟 JVM 的污点分析验证 DFS 结果,字符串搜索,Java Web 组件入口分析,CFG 程序分析,JVM 栈帧分析,自定义表达式搜索。官方文档:https://docs.qq.com/doc/DV3pKbG9GS0pJS0tk

bytecode static-analysis java-decompiler jar java-bytecode vulnerability program-analysis java-gui java-security web-vulnerability java-debugger java-asm java-vulnerability

Updated Oct 19, 2025
Java

mirkosertic / Bytecoder

Star 930

Framework to interpret and transpile JVM bytecode to JavaScript, OpenCL or WebAssembly.

javascript kotlin bytecode compiler opencl llvm decompiler webassembly transpiler java-bytecode jvm-bytecode llvm-frontend

Updated Aug 23, 2025
Java

superblaubeere27 / obfuscator

Star 922

A java obfuscator (GUI)

java obfuscation java-bytecode

Updated Jul 13, 2024
Java

skidfuscator-java-obfuscator

skidfuscatordev / skidfuscator-java-obfuscator

Star 712

Public production-ready obfuscator using the MapleIR framework designed by cts

java obfuscation bytecode reverse-engineering java-bytecode obfuscator java-obfuscator javaobfuscator bytecode-obfuscator java-obfuscation

Updated Oct 23, 2025
Java

Tigermouthbear / Theia

Star 171

A Kotlin program used to analyze and discover backdoors in Minecraft Java 1.12.2 forge mods

minecraft java-bytecode virus-scanning 2b2t discover-backdoors

Updated Jan 10, 2022
Kotlin

dejavudwh / C2j-Compiler

Star 74

A compiler that converts C language to Java bytecode or can directly interpret execution(将C源码编译成Java字节码的编译器,也可以选择直接解释执行)

c converts parser interpreter java-bytecode lexer complier

Updated Aug 22, 2019
Java

Body-Alhoha / OpenEctasy

Star 73

Minecraft Server (Bukkit, Spigot, Paper) backdoor, using ow2 asm

plugin java minecraft bukkit bytecode backdoor spigot paper java-bytecode force pentesting op bytecode-manipulation papermc forceop force-op minecraft-backdoor minecraftforceop openectasy

Updated Jun 2, 2025
Java

cojen / Maker

Star 63

Cojen/Maker is a lightweight, full-featured, low-level dynamic Java class generator designed for ease of use.

java bytecode jvm java-bytecode code-generation jvm-bytecode invokedynamic

Updated Oct 23, 2025
Java

junkdog / sift

Star 61

A CLI tool to analyze and reverse model software system designs from JVM bytecode.

kotlin cli static-analysis reverse-engineering introspection java-bytecode jvm-bytecode project-analysis

Updated May 22, 2025
Kotlin

xxDark / AntiAntiDebug

Star 46

Plugin for Recaf

java java-bytecode antidebugbypass

Updated May 27, 2021
Java

kylestev / jvm.js

Star 36

A Java VM bytecode library written in ES6 for Node.js

javascript java jvm jar javascript-library java-bytecode jvm-bytecode bytecode-library

Updated Dec 7, 2022
JavaScript

skidfuscatordev / skidfuscator-ir

Star 30

Strongly referenced bytecode ir for Java

java-bytecode

Updated Apr 30, 2024
Java

cojen / Cojen

Star 28

Java bytecode generation and disassembly tools

java bytecode jvm java-bytecode code-generation

Updated Aug 9, 2022
Java

minad / chasm

Sponsor

Star 27

Java Bytecode Assembler and Disassembler which uses S-expressions

java bytecode asm assembler disassembler java-bytecode s-expressions

Updated Dec 22, 2019
Java

Whiley / Jasm

Star 23

Assembler / Disassembler for Java Bytecode

java bytecode java-bytecode

Updated Jun 2, 2021
Java

LouisJenkinsCS / LLVM-JVM

Star 21

[W.I.P] A Just-In-Time Java Virtual Machine written in Haskell

java language haskell scala interpreter bytecode jvm virtual-machine monad java-bytecode educational monadic

Updated Aug 23, 2021
Haskell

A simple (and outdated) Old-School RuneScape decompiler/deobfuscator. Performs field and method analysis which uses ASM and bytecode patterns for identification. Identified fields could be used for creating bot clients or QoL clients. For educational use only.