摘要： 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。介绍了网络蠕虫的定义以及工作机制，基于网络蠕虫的工作原理，提出并实现了一种新的网络蠕虫检测方法，并进行了验证。实验结果表明，该系统能够准确地检测到网络蠕虫。

关键词: 网络蠕虫, 网络安全, 检测技术, 误用检测, 异常检测

Abstract: 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. This paper introduces the definition and principle of network worms, and based on the mechanism of network worms, it proposes and implements a network worm detection system for Internal network, which is proved to be able to detect the network worm accurately.

Key words: Network worm, Network security, Detection technology, Misuse detection, Anomaly detection