IM Event Trace Finding And Clue Synthesis

With the internet steps into people's daily life, the need for information punctuality is becoming more and more high. IM has wide application in internet users owing to its punctuality in information transmission. However, while IM software brings so much convenience to ordinary people, it also provides opportunity for criminals. They communicate and make preparation through IM before the crimination committed;they use IM to insult, slander, extort, blackmail or transmit illegal information directly. It is very difficult to collect IM events evidence because of the characteristics of IM.First of all, the thesis researches the traces of MSN and QQ left at the terminals under the Windows circumstances, then it designs the trace finding and analysis procedures. At last, the thesis designs the trace finding and clue synthesis system.The author mainly finished the works as followings:(1 Researching the distribution, configuration and formats of MSN and QQ events left at terminals under Windows circumstances.(2)Designing corresponding professional know-how database and analysis system aims at MSN and QQ.(3)Providing IM event trace finding and clue synthesis system designs for the general framework and respective platform functions based upon original system.