1. Social Network-Based Botnet Command- and-Control: Emerging Threats and Countermeasures Reporter: Chia-Yi Lin Advisor: Chun-Ying Huang Mail: m98570015@ntou.edu.tw 6/12/2016 1

2. Reference Erhan J. Kartaltepe, Jose Andre Morales, Shouhuai Xu, Ravi Sandhu. “Social Network- Based Botnet Command-and-Control: Emerging Threats and Countermeasures”. ACNS’10, Beijing, China 6/12/2016 2

3. Outline Introduction Conclusions 6/12/2016 3

4. Part I: Twitter-based Bots & Beyond Current Generation Possible Future Generation Part II: Defense & limitations 6/12/2016 4

5. NazBot (TwitterBot) Refresher 6/12/2016 5

6. Introduction 6/12/2016 6

7. 7

8. Conclusions 6/12/2016 8

9. Thanks for Your Attention Q & A 6/12/2016 9