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Botnets

Daniul Byrd. Botnets. What are bots?. Software that automates tasks Can network to share data and act in coordination. Deployment. “Drive-by-Downloads” Social Engineering Spread through network. Structure. Bots answer to Botmaster Centralized Structure Decentralized Structure. Uses.

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Botnets

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  1. Daniul Byrd Botnets

  2. What are bots? • Software that automates tasks • Can network to share data and act in coordination

  3. Deployment • “Drive-by-Downloads” • Social Engineering • Spread through network

  4. Structure • Bots answer to Botmaster • Centralized Structure • Decentralized Structure

  5. Uses • Spam email • Distributed Denial of Service attacks (DDoS) • Harvesting information • Keyloggers • Email Addresses • Passwords • Click Fraud • Selling or Leasing their services

  6. Detection • Can be difficult • Slow/non-responsive system or crashes • Monitor network traffic • Some will try to defend themselves

  7. Prevention • Similar to avoiding other types of malware • Avoid unknown emails or attachments • Avoid questionable sites • Be aware of social engineering tactics There are bots for non-Windows platforms too!

  8. Legality & Ethics • CAN-SPAM Act (2003) • False header information • Inclusion of sender’s valid physical address • Use of other’s computers without permission • Harvesting email addresses • More… • Theft • Financial information, ID Theft • Passwords

  9. How It Relates • Awareness of malicious botnets can aid in avoiding them • Coworkers… • Botnets can be a powerful tool when used legally

  10. References • “Botnet Sharing and Linking”. Eggheads.org. Web. Apr. 2014. <http://cvs.eggheads.org/viewvc/eggdrop1.6/doc/BOTNET?view=markup> • “About BotHunter”. BotHunter.net. Web. Apr. 2014 <http://www.bothunter.net/about.html> • Mashevsky, Yuri. “The Bagle botnet”. SecureList. Web. Apr. 2014. <http://www.securelist.com/en/analysis/162656090/The_Bagle_botnet> • Namestnikov, Yury. “The Economics of Botnets”. SecureList. Web. Apr. 2014. <http://www.securelist.com/en/analysis/204792068/The_economics_of_Botnets> • “Spam Laws: The United States CAN-SPAM Act”. SpamLaws. Web. Apr. 2014. <http://www.spamlaws.com/spam-laws.html> • Liao, Qi, and Zhen Li. “Portfolio Optimization of Computer and Mobile Botnets”. International Journal of Information Security 13.1 (2014): 1-14. Academic Search Complete. Web. Apr. 2014 • RODRÍGUEZ-GÓMEZ, RAFAEL A., GABRIEL MACIÁ -FERNÁNDEZ, and PEDRO GARCíA- TEODORO. "Survey And Taxonomy Of Botnet Research Through Life-Cycle." ACM Computing Surveys 45.4 (2013): 45-45:33. Academic Search Complete. Web. Apr. 2014 • Davis, Lidja. “Is Your PC Part of a Botnet?”. Readwrite.com. Web. Apr 2014. <http://readwrite.com/2009/03/15/is_your_pc_part_of_a_botnet#awesm=~oCMKDXyIwi4FRc>

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