Code red worm propagation modeling and analysis
Proceedings of the 9th ACM conference on Computer and communications security
How to Own the Internet in Your Spare Time
Proceedings of the 11th USENIX Security Symposium
Worm propagation modeling and analysis under dynamic quarantine defense
Proceedings of the 2003 ACM workshop on Rapid malcode
The monitoring and early detection of internet worms
IEEE/ACM Transactions on Networking (TON)
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Modeling and Automated Containment of Worms
IEEE Transactions on Dependable and Secure Computing
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Many web applications leak sensitive pages (we name them eigenpages) that can disclose their vulnerabilities. As a result, some worms like Santy locate their targets by searching specific eigenpages in search engines with well-crafted keywords. Such worms are so called search worms. In this paper, we focus on the modeling and containment of these search worms. We first study the influence of the eigenpage distribution on their spreading by introducing two propagation models: U-Model assuming eigenpages uniformly distributed on servers and PL-Model assuming the distribution follows a power law. We show that the uniform distribution maximizes the spreading speed of the search worm. Then we study the influence of the page ranking and introduce another propagation model: PR-Model. In this model, search results are ranked based on their PageRank values and the relative importance of their resident servers. Finally, we propose a containment system for search worms based on honey-page insertion: a small number of fake pages which will induce visitors to pre-established honeypots are randomly inserted into search results, and then infectious can be detected and reported to search engines when their malicious scans hit honeypots. We study the relationship between the containment effectiveness and the honey-page insert rate with our propagation models and find that the Santy worm can be almost completely stopped at its early age by inserting no more than 2 honey pages in every 100 search results, which is extremely effective.