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Windows-based operating system, hiding technique research program

Author: LiuJiPeng
Tutor: LuHongWei
School: Huazhong University of Science and Technology
Course: Computer System Architecture
Keywords: Program Hide Hook Remote Control Privacy Protection
CLC: TP393.08
Type: Master's thesis
Year: 2011
Downloads: 22
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Abstract


Rootkit technology is typically used in a variety of attack techniques , it is malicious software hidden line trace function. Therefore , in order to protect the safety of the user's computer , the Windows operating system environment Rootkit technology conduct research , not only in the suspect's remote monitoring and remote access to specific information has important theoretical and practical significance , and in particular the protection of user information also has a higher value . From user mode and kernel mode two aspects were analyzed Rootkit technology used in the main program , summarize and explain the commonly used Rootkit detection technology and detection principle . On this basis, expounded a theory based Rootkit and encapsulating TCP (Transmission Control Protocol) communications and NDIS (Network Driver Interface Specification) communication two communication modes PCTS (Program Concealment Tools) system design , analysis of the system application scenarios are given PCTS system functional requirements, such as communications, concealment . In accordance with the principle of top- down design , discusses the PCTS system architecture and workflow , to clarify the system startup module, communication module , command parsing module and hidden module specific design . The principle based on NDIS protocol driver and communication functions encapsulated principle of the NDIS protocol driver implementation , applications and drivers interact and communicate using NDIS protocol driver protection mechanism . On this basis , based on NDIS protocol driver implements a communication port can hide the intermediate layer API (Application Programming Interface). Illustrates the PCTS system implementation , which focuses on the hidden module implementation , including user-mode processes hidden injection technique , technology import tables and secondary jump hook kernel mode hidden SSDT (System Service Dispatcher Table) hooks and DKOM (Direct Kernel Object Manipulation) technology. Test results show that , PCTS system can with the system from the start, the ability to hide specific information , including the port , registry, files, processes, and so on. And in the user's configuration according to the different needs of users of the relevant hidden information for recovery.

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