With the rapid development of computer technology,Internet applications are used more and more widely,computer networks are exposed to various threats,especially network worms.

• 随着计算机技术的迅速发展,互联网应用越来越普及和深入,开放的计算机网络也受到各种各样的安全威胁,尤其是网络蠕虫对计算机系统和网络安全的威胁日益增加,造成的损失也更加巨大。