Reading an article in NY Times and saw the program mentioned below. Yes, it will work on home computers, but see the requirements. http://www.nytimes.com/2008/12/06/technolo...wanted=1&em
Security researchers at SRI International are now collecting over 10,000 unique samples of malware daily from around the global. “To me it feels like job security,” said Phillip Porras, an SRI program director and the computer security expert who led the design of the company’s Bothunter program, available free at www.bothunter.net.http://www.bothunter.net/
Your system should have a modern Intel Pentium-class or Motorola PowerPC processor, at least 1 GB RAM, and at least 1 Ethernet NIC/WIC (for network monitoring).
BotHunter is a passive network monitoring tool designed to recognize the communication patterns of malware-infected computers within your network perimeter. Using an advanced infection-dialog-based event correlation engine (patent pending), BotHunter represents the most in-depth network-based malware infection diagnosis system available today.