Worm Propagation Modeling Based on Two-Factor Model

Worms can spread in an automated fashion and can flood the internet in a very short time. It has become one of the major threats to the security of the Internet. A new worm model that simulates the ongoing worm activities on the Internet will greatly contribute to the security management of modern networks. In this paper we propose a new worm model that accounts for the levels of locality. Based on the two-factor model, we derive a stratified two-factor model called ETwo-Factor model. The advantage of this model is an improved two-factor model to simulate the worm propagation on the stratified network. Simulations and numerical solutions of the ETwo-Factor model can reflect the worm propagation (such as Code Red II) better than other previous models do.