本文详细研究了HTTP协议报文的内容，对于HTTP协议

有了全面深入的了解；在此基础上，本文给出了构建HTTP隐蔽通道

的三种通用模型(简单HTTP模型、代理模型、CGI模型)和四种常用

的方法(GET方法、HEAD方法、POST方法、PUT方法)-　The thesis structure is as follows:

　Firstly, this dissertation not only investigates the message structure of

HTTP in detail, but also provides general models and methods for covert

上海交通大学硕士论文

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channel operations.

　Secondly, this dissertation studies the　message structure of Microsoft

Windows　System　.In further,　we　investigate　the　message　mechanism　of

Microsoft Windows System.