1. Common Vulnerabilities and Exposures (CVE). Available on: http://www.cve.mitre.org/ , February 2009.
2. SANS Institute, Egress filtering v 0.2. Available on: http://www.sans.org/y2k/egress.htm , February 2009.
3. Phatbot. Available on: http://www.lurhq.com/phatbot.html , February 2009.
4. TFN2K. Available on: http://packetstormsecurity.org/distributed/TFN2k-Analysis-1.3.txt , February 2009.
5. Stacheldraht. Available on: http://packetstormsecurity.org/distributed/stacheldraht.analysis , February 2009.