Anyone able to find this program? or have a copy of it? If you not sure what it is here is a link to read about it. http://arstechnica.com/security/2012/08/wireless-password-easily-cracked/
Highly unlikely that Silica will be available for free. It is a $2,500 a year program. You are better off with CUDA / pyrit for the time being. OMG I found it, thank you hackforums.net. Filled: https://xiaopan.co/forums/threads/silica-virtual-machine.3121