At its core, is a collection of utilities and "gadget chains" discovered in common Java libraries (like Apache Commons Collections, Spring, and Groovy). When a Java application unsafely deserializes data from an untrusted source, an attacker can use these gadget chains to trigger automatic command execution on the host system.

: Navigate to the GitHub Releases page to find the most recent JAR files.

: Security professionals often use this JAR alongside other tools like Burp Suite (via extensions like "Java Serial Killer") to inject generated payloads directly into web requests. Security & Safety Review