MSN Shadow is a forensics tool to analyze the MSN protocol. It has features such as: text sniffing, video sniffing, spoofing messages, hijacking sessions, shutdown users, save text sniffed in HTML format, save video sniffed in AVI format.
You can download it from the following link: https://packetstormsecurity.com/files/download/70510/msnshadow-0.3_beta.tar.bz2
Source: https://packetstormsecurity.com/files/70510/msnshadow-0.3_beta.tar.bz2.html