thaolt / myagent

Video: https://youtu.be/MkNcgyBCfS8

Part 1: https://github.com/thaolt/hellojava

Learning JAVA

Hello

1. First we install a JDK

   • https://download.java.net/java/GA/jdk21.0.1/415e3f918a1f4062a0074a2794853d0d/12/GPL/openjdk-21.0.1_linux-x64_bin.tar.gz
   • export $JAVA_HOME and $PATH in $HOME/.zshrc or .bashrc (if your shell is bash)

2. Print Hello World

3. Create Makefile

4. Structuring the source code

5. Packaging

6. Github

• https://github.com/thaolt/hellojava

Javaagent and Javassist

1. Create simple agent

2. Download javassist

3. Modify target app classes with the agent

4. Profit?