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Real-Time Botnet Command and Control Characterization at the Host Level

Real-Time Botnet Command and Control Characterization at the Host Level. 2013.10.24 JHEN-HUANG Gao. Basic Information. 1/7. Title: Real-Time Botnet Command and Control Characterization at the Host Level Author & Institution : Farhood Farid Etemad Payam Vahdani Publication :

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Real-Time Botnet Command and Control Characterization at the Host Level

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  1. Real-Time Botnet Command and Control Characterization at the Host Level 2013.10.24 JHEN-HUANG Gao

  2. Basic Information 1/7 • Title: • Real-Time Botnet Command and Control Characterization at the Host Level • Author & Institution: • FarhoodFaridEtemad • PayamVahdani • Publication: • 6'th International Symposium on Telecommunications • Year: 2012 • Cited (Google): 0

  3. Outline 2/7 Introduction Architecture Detect bot Real – Time Filtering Conclusion

  4. Introduction 3/7 Botnet 、 other kind of malwares C&C is centralized or decentralized Botnet can cause many problem Normal solution

  5. Architecture 4/7 • IRC protocol string • NICK、PASS、USER、JOIN 、 PRVIMSG、OPER、MOTD • ex Get me the file “website.html” Client Sever “Here is the file” followed by the file’s content • HTTPprotocol • GET、POST、HEAD

  6. Detect bot 5/7 • IRCPART • Td>Tdh：normal IRC • Td<Tdh ：malicious IRC • HTTP PART

  7. Real – Time Filtering 6/7 Filtering malicious traffic after detection

  8. Conclusion 7/7 • Real-time‘s method : • Advantage • Find bot immediately • Simple to use • Weakness • Can’t be use on decentralized

  9. THANK YOU

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