Objective To analyze Trojan Technique and present recovery measures against it. Methods By practicing the design and implementation of a simple Trojan Horse, this article fully discussed and penetrated into every corner of the injecting technique. the hiding technique, the detecting technique and the way forward of Trojan Horse. Results The simple Trojan Horse designed in this article had successfully realized the expected functions. Conclusion The character of Trojan determines the difficulties of detecting and recovey against it. The guarding emphasis should be laid on the network management measures, not the detecting technique.[Chinese Medical Equipment Journal, 2011 , 32 ( 4) : 89-91 , 96]%目的:分析木马技术,提出针对性防御措施.方法:通过一个简单木马的设计和实践,对木马的植入技术、隐藏技术、检测技术、发展方向进行了深入全面论述.结果:设计的简单木马成功实现了预想功能.结论:木马的特性决定了检测防御的难度,防范重点在于网络管理措施,而不是检测技术.
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