Ensure JDK 1.8 or higher is installed and configured in your environment variables.
behind one of the payload generators.
java -jar ysoserial-0.0.4-all.jar CommonsCollections1 "touch /tmp/pwned" ysoserial-0.0.4-all.jar download
java -jar ysoserial-0.0.4-all.jar CommonsCollections1 'calc.exe' > payload.bin Use code with caution. Ensure JDK 1
The version 0.0.4 is particularly notable for its historical significance. Released around 2016 by the original author, , this version marked the addition of the Apache Commons Beanutils gadget chain . This specific version represents a "golden era" in the tool's development, having been battle-tested for nearly a decade. The version 0
I understand you're looking for the ysoserial-0.0.4-all.jar file. However, I should point out a few important things:
If you need the exact download link, the project’s release page or repository (e.g., GitHub) is the appropriate place to look; prefer building from source when possible and always verify integrity. I can summarize build steps for a specific environment (Linux/macOS/Windows) or list commands to verify checksums—tell me which OS you’re using if you want those steps.