Nepenthes is a low interaction honeypot like honeyd or mwcollect. Low Interaction Honeypots emulate _known_ vulnerabilities to collect information about potential attacks. Nepenthes is designed to emulate vulnerabilities worms use to spread, and to capture these worms. As there are many possible ways for worms to spread, Nepenthes is modular.
You can download it from the following link: https://packetstormsecurity.com/files/download/50220/nepenthes-0.1.7.tar.bz2
Source: https://packetstormsecurity.com/files/50220/nepenthes-0.1.7.tar.bz2.html