RFC 1135: The Helminthiasis of the Internet (1989) (ietf.org)

HTML version:

https://tools.ietf.org/html/rfc1135

Wikipedia article about the worm:

https://en.wikipedia.org/wiki/Morris_worm

The Morris worm has had some other postings here.

https://news.ycombinator.com/item?id=5302924

Here's Eugene Spafford's write up: http://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1701&...

Here's Seeley's A Tour of the Worm: http://www.cs.unc.edu/~jeffay/courses/nidsS05/attacks/seely-...

And here's With Microscope and Tweezers: http://www.mit.edu/~eichin/virus/main.html

For some context, this resulted in the author of the virus in question, Robert Morris, being the first person ever indicted under the CFAA. Morris later became one of the four founders of YC.