alternate data streams, redux

This is a shout-out to my hardware students (CIS235) from Spring 2004. Remember alternate data streams in NTFS? SANS reports that an unnamed university has been having problems with someone using alternate data streams... excerpt:

We received some correspondence today from an educational institution which has detected what appears to be a fairly large number of GIFs and JPEGs on their windows web server that have data stashed in the alternate data streams (a feature of the NTFS file system)....