摘要： 阐述了反木马策略的研究现状及其发展趋势——木马的行为分析，分析并归纳了木马在安装阶段的行为特征，并在该基础上提出了一种针对Windows 木马的反木马策略，可在木马安装阶段有效地拦截与查杀木马。

关键词: 木马；安装；行为特征；拦截；查杀

Abstract: This article expounds current research condition and development trend of anti-trojand strategy——behavioral analysis of Trojan,analyzes and summarizes trojans' behavioral characteristics of their installation, and puts forward an anti-trojan strategy at Windows platform, which can block and remove trojans effectively during their installation.

Key words: Trojan horse; Installation; Behavioral characteristic; Block; Remove