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Design and Implementation of Taint Detection Based on Dynamic Binary Translation

Author: BaiZhiWen
Tutor: LiuXiYang
School: Xi'an University of Electronic Science and Technology
Course: Computer Software and Theory
Keywords: Virtual Machine Information flow Tainted data Access Control
CLC: TP393.08
Type: Master's thesis
Year: 2008
Downloads: 122
Quote: 0
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Abstract


Modern operating systems and software become increasingly large and complex software vulnerabilities and other defects followed . The attacker will often exploit these flaws to unauthorized access . A fast and reliable mechanism to detect these attacks , generate immune protection measures , protection of networks and systems . Infection and leakage of the information in the computer system it is mostly caused due to the insecure network access . Based on the particularity of network security , network access in data security , the use of the state of the virtual machine control features , logging and state control of malicious access and virus attacks . By modifying the open source QEMU virtual machine , the design and implementation of an information flow security detection tools DTAD . To capture network data by executing applications to determine whether access legitimate (target jump address of the function , the instruction access use ) . Once the attack is detected , the tool will implement a process level and kernel -level virtual machine state logging . Issue of malicious code , the tool will run the program inside the process space implantation diagnosis code to replace the malicious code , so you can collect the process information to be attacked . Collect network data recorded in the log and the virtual machine to process information than the associated tool able to generate accurate network intrusion detection signatures , the entire process is performed automatically . Release, good positioning attack types and provide effective protection measures through fast and effective signature . Experimental verification efficient tools attack recognition and information protection , identification and tracking and processing the detection protection system for infection data is effective .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer Network Security
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