datadome-vm-internals

DataDome VM DataDome embeds a custom VM in their bundle to hide what they're actually doing. I got curious and pulled it apart. Sharing it here for anyone who's interested in the same kind of reverse engineering puzzle. DataDome ships a heavily obfuscated JavaScript bundle to your browser. Inside...

dexcalibur

WiP : Moving to dexcalibur 2.0 | codename : Reversense Dexcalibur Dexcalibur is an Android reverse engineering platform focus on instrumentation automation. Its particularity is to use dynamic analysis to improve static analysis heuristics. It aims automate boring tasks related to dynamic...

androwarn

Androwarn Yet another static code analyzer for malicious Android applications Description Androwarn is a tool whose main aim is to detect and warn the user about potential malicious behaviours developped by an Android application. The detection is performed with the static analysis of the...

GDA-android-reversing-Tool

ˇ GDAGJoy Dex Analyzer GDA, an powerful Dalvik bytecode decompiler implemented in C++, which has the advantages of fast analysis and low memory&disk consumption and an stronger ability to decompiling the apk, dex, odex, oat, jar, class, aar files. GDA is completely native software and works witho...

efcf-framework

EF/CF - the Extremely Fast ethereum smart Contract Fuzzer EF/CF is a new approach to smart contract fuzzing: instead of using a new custom built fuzzer, it repurposes existing fuzzing infrastructure of C/C++ code to smart contracts. Currently, AFL++ is the primarily supported fuzzer, although the...

javascript-obfuscator

JavaScript obfuscator 🚀 Obfuscator.io with VM Obfuscation Obfuscator.io adds VM-based bytecode obfuscation to this package - your JavaScript functions are compiled to custom bytecode that runs on an embedded virtual machine. Each build produces unique opcodes and VM structure, making reverse...

python-decompile3

|buildstatus| |Pypi Installs| |Latest Version| |Supported Python Versions| |packagestatus| .. contents:: decompyle3 A native Python cross-version decompiler and fragment decompiler. A reworking of uncompyle6. I gave a talk on this at BlackHat Asia 2024 . Introduction decompyle3 translates Python...

CVE-2020-3452_auto

Enum Cisco ASA via CVE-2020-3452 and download files python enum.py target Convert Lua byte code using unluac bash convert.sh...

java-remote-class-loader

This tool allows you to send Java bytecode in the form of class files to your clients or potential targets to load and execute using Java ClassLoader together with Reflect API. The client receives the class file from the server and return the respective execution output. Payloads must be written ...

VMPacker

🛡️ VMPacker ARM64 ELF Virtual Machine Protection System Translate ARM64 native instructions into custom VM bytecode for function-level code protection 🇨🇳 中文文档 • Features • Architecture • Quick Start • Usage • License Overview VMPacker is a Virtual Machine Protection VMP system for ARM64 AArch64...

Log4JShell-Bytecode-Detector

🔍 Log4JShell Bytecode Detector Log4jShell Bytecode Detector is an open source tool that helps identify if a jar file is affected by the critical CVE-2021-44228. The tool scans the jar file and compares the classses against a set of vulnerable hashes for classes within the jar file. The hashes hav...

View8

View8 View8 is a static analysis tool designed to decompile serialized V8 bytecode objects JSC files into high-level readable code. To parse and disassemble these serialized objects, View8 utilizes a patched compiled V8 binary. As a result, View8 produces a textual output similar to JavaScript...

Krakatau

Krakatau provides an assembler and disassembler for Java bytecode, which allows you to convert binary classfiles to a human readable text format, make changes, and convert it back to a classfile, even for obfuscated code. You can also create your own classfiles from scratch by writing bytecode...

JarHunter

JarHunter – Advanced JAR Analysis & Extraction Tool JarHunter is a tool designed to explore, search and extract specific classes from large JAR files quickly and efficiently. Instead of manually browsing thousands of classes, JarHunter allows you to search keywords across the entire JAR file and...

python-uncompyle6

|buildstatus| |Pypi Installs| |Latest Version| |Supported Python Versions| |packagestatus| .. contents:: uncompyle6 A native Python cross-version decompiler and fragment decompiler. The successor to decompyle, uncompyle, and uncompyle2. I gave a talk on this at BlackHat Asia 2024 . Introduction...

cve-2021-44228-qingteng-patch

Qingteng log4j2-patch https://github.com/qingtengyun/cve-2021-44228-qingteng-patch Fixes CVE-2021-44228 for log4j2, using the Instrumentation API provided by the JVM to modify existing bytecode loaded into the JVM. Without restarting the Java process, it modifies the lookup method of...

custom-bytecode-analyzer

custom-bytecode-analyzer Java bytecode analyzer customizable via JSON rules. It is a command-line tool that receives a path containing one or more Jar or War files, analyzes them using the provided rules and generates HTML reports with the results. Usage usage: java -jar cba-cli.jar OPTIONS -a...

cve-2026-86547-mrubyc-op-enter

CVE-2026-86547 — mrubyc OPENTER NULL Pointer Dereference Standalone proof of concept for CVE-2026-86547 , a NULL pointer dereference in mrubyc's openter handler through release 4.0.0. Summary mrubyc is a lightweight Ruby implementation for embedded systems. Its bytecode VM keeps the current...

datadome-vm

DataDome VM Analysis Summary This repository documents the first public version of DataDome's in-browser JavaScript virtual machine VM used in their CAPTCHA/interstitial flow. This analysis covers: Bytecode loading and decoding mechanisms VM memory layout and architecture A proof-of-concept...

NXcrypt

NXcrypt NXcrypt is a polymorphic 'python backdoors' crypter written in python by Hadi Mene h4d3s . The output is fully undetectable . NXcrypt can inject malicious python file into a normal file with multi-threading system . Run it with superuser's permissions . NXcrypt output is Fully undetectabl...