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qi4L/JYso has 1,756 GitHub stars and 195 forks. GitHot measured 0 stars in 24 hours. Last checked 2026-11-08 01:59 UTC. Last push 2026-06-14.

How these counts are measured

JNDIExploit or a ysoserial.

Measured star growth

in 24h
0
in 7 days
Update delayed
in 15 days
Update delayed
in 1 month
Update delayed

Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.

README.en.md

Original

JYso

It can be used as a tool for ysoserial and JNDIExploit at the same time, and has the bypass function of multiple JNDI high versions, WAF, and RASP

🚀 Getting Started Guide

📢 Please take a moment to read this document, it will help you quickly get familiar with JYso!

🧐 Use the Documentation Wiki.

✔ Download the latest version of Releases.

👍 Features

  • JNDI account password startup
  • JNDI route hiding or encryption
  • JNDI high version Bypass
  • Customize the path, password, HTTP header and value of the memory horse
  • Memory horse supports Fileless landing Agent insertion
  • Memory horse writes JRE or environment variables to hide
  • Serialized data plus dirty data
  • Serialized data is encoded in UTF-8 corresponding to 3 bytes
  • TemplatesImpl _bytecodes feature eliminated and size reduced
  • SignedObject secondary deserialization, can be used to bypass TemplatesImpl blacklist, CC without array and blacklist often seen in CTF, etc.
  • Solve the problem of Shiro Header being too long, get the value of the specified parameter from the request for class loading
  • Dynamically generate obfuscated class names
  • MSF/CS online
  • Code execution through JDBC

If you have other great ideas, please let me know! 😎

🐯 Compile

Download gradle8.7+ and configure it in the global environment variable, and execute it in the project root directory

./gradlew shadowJar

🌲Directory structure

For more information, please refer to Directory structure description.

✨ CTStack

JYso has joined the CTStack community

✨ 404Starlink

404StarLink Project Logo

JYso has joined 404Starlink

  1. 入选2024年KCon兵器谱

📷 Acknowledgements

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