Virus Writing Techniques

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The state of software security in early 1990 was abysmal; vendors relied on secu rity through obscurity and were slow to patch or improve the security of their p roducts. This changed with full disclosu re, which forced software vendors to ado pt effective security policies and pract ices. The antivirus industry of today lo oks much like the software industry of 1 990. The effectiveness of existing solut ions is stagnant or decreasing and vendo rs mislead their customers about the cap abilities of their products. This talk e xplores the idea of bringing full disclo sure to the antivirus industry in an att empt to jumpstart innovation and improve the effectiveness of antivirus. We will examine modern virus writing techniques and explore the implementation of a new metamorphic engine. We will show that t he metamorphic engine is capable of evad ing modern antivirus and we will make a few recommendations on how detection rat es could be improved. Tim Sally is a computer science undergra duate at the University of Illinois, Urb ana-Champaign. He has worked at a Depar tment of Energy funded research center a nd at a large defense contractor. His s tudies are fully funded by the National Science Foundation.