摘要
MSN作为时下国内外都比较流行的一款即时通信软件,拥有比较广泛的用户群。探讨了即时通信软件MSN在文件传输时的特点,重点对MSN传输特定格式文件时的特征给予了分析和研究,针对诸如PDF与PPT等文件格式的文件在明文传输时,因其在文件首部会有特定文件结构特征串,从而可以根据这一特点确定MSN有传输文件的行为。并在基于特定文件格式特征串对MSN传输的文件实现了数据还原,旨在为数据恢复提供新的研究思路。
MSN,nowadays as a popular instant messaging software both at home and abroad,has a fairly large user group.This paper first discusses the features of MSN instant messaging software in file transfer.Then it focuses on analysis and study of MSN of in transfer document with specific format,such as PDF,PPT.It is certain that there exist the structure features string at the head of the document,and based on this,the transfer behavior of MSN could be determined.Finally the data recovery of files transferred by MSN could thus be implemented.All this aims at providing a new idea in research of data recovery.
出处
《信息安全与通信保密》
2011年第5期62-63,66,共3页
Information Security and Communications Privacy
关键词
文件传输
MSN
数据还原
文件结构特征串
document transmission
MSN
features string of file format
data recovery