The linked paper <i>Computer Viruses - Theory and Experiements</i> is a fascinating bit of history.<p><a href="https:&#x2F;&#x2F;web.eecs.umich.edu&#x2F;~aprakash&#x2F;eecs588&#x2F;handouts&#x2F;cohen-viruses.html" rel="nofollow">https:&#x2F;&#x2F;web.eecs.umich.edu&#x2F;~aprakash&#x2F;eecs588&#x2F;handouts&#x2F;cohen-...</a>