Vulnerable linux
From Atomicorp Wiki
www.damnvulnerablelinux.org Damn Vulnerable Linux (DVL) is a Linux-based (modified Damn Small Linux) tool for IT-Security & IT-Anti-Security and Attack & Defense. It was initiated for training tasks during university lessons by the IITAC (International Institute for Training, Assessment, and Certification) Secure Software Engineering in cooperation with the French Reverse Engineering Team. Visit their websites at http://www.iitac.org, http://www.Secure-Software-Engineering.com , and http://www.binary-reverser.org/ .