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psyBNC is an IRC network bouncer or BNC. psy is short for psychoid, the original creator of psyBNC. BNC is short for bouncer, a method of "bouncing" through a server to cloak your hostname.

psyBNC is a very easy to use BNC and became popular (especially on FreeBSD) by gaining significance due to the unique way it worked. Unlike any other BNC software available at the time, psyBNC could stay connected to IRC, even when you detach your IRC client from the BNC. psyBNC was the first bouncer to support this feature. Today, most IRC bouncers have this feature.

Features include multiple users in one BNC; ability to change your vhost on the fly; scripting support (basic); logging; identd spoofing via oidentd; multi server support; and recently IPv6 and SSL support. The software runs on Linux, FreeBSD, OpenBSD, SunOS, Solaris and with some modifications also on Microsoft Windows.

Since 2008 psyBNC has four additional developers who go under the aliases of Arakis, Chaot, iceblox, and inFECT.

Malicious use

psyBNC running on a machine without the knowledge of the user may be a backdoor or trojan into the machine or part of a Denial of Service (DOS) Attack, Zombie Network, or botnet.

References

1. Ubuntu.com psyBNC documentation; retrieved 14 September 2008.
2. Installing Psybnc IRC
3. Freshports irc/psyBNC; retrieved 14 September 2008.
4. http://www.psybnc.at/faq.html#q16
5. psybnc.at About psyBNC; retrieved 14 September 2008.
6. psybnc.at Next psyBNC Version will be released by a new Development Team.; retrieved 14 September 2008.
7. IST University of Waterloo: Information Systems and Technology security bulletin; retrieved 14 September 2008.
8. NPG Mailing list posting documenting the use of psyBNC in botnets; retrieved 14 September 2008.
9. psybnc.exe Windows process - What is it?
10. Linux Magazine Looking for intruders with lsof April 2007, cover story
11. informit: The Real THR34T KR3W: The Story of Hacker Connor Hansen
12. heise: Angela Merkel's website was compromised

• Google hacking for penetration testers, Johnny Long and Ed Skoudis, Page 272, ISBN 1931836361
• Securing IM and P2P applications for the enterprise, Paul L. Piccard and Marcus H. Sachs, Page 380, ISBN 1597490172

External links

• psyBNC Website
• psyBNC on SourceForge
• psyBNC at Open Hub
• psyBNC on FreshPorts
• psyBNC on Ubuntu Help
• An Introduction to psyBNC 2.3.1
• Template:Dmoz

• Internet Relay Chat bouncers, gateways and proxies
• Internet privacy
• Free software programmed in C
• SourceForge projects