the artificial-activation worm is studied in terms of attacking mechanism in this paper.The propagation procedure of this kind of worm consists of four stages:information collection
penetration
self propulsion and artificial activation.It is found that the worm is a kind of topology-awareness worms.Based on the analysis on the attacking mechanism of this kind of worms
the mathematical model of artificial-activation P2P proactive worm propagation is proposed.Further
the sufficient condition of worm propagation attaining the worm free equilibrium is deduced from the model in applying Epidemiology.Large scale simulation experiments validate this proposed model.