Download Extra Quality - Ysoserial-0.0.4-all.jar

Once you've downloaded ysoserial-0.0.4-all.jar , you can use it to generate payloads for various Java deserialization vulnerabilities. A basic usage example:

For the uninitiated, is an open-source proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization. ysoserial-0.0.4-all.jar download