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By Hiran V. Nath (auth.), David C. Wyld, Michal Wozniak, Nabendu Chaki, Natarajan Meghanathan, Dhinaharan Nagamalai (eds.)

This e-book constitutes the lawsuits of the 4th foreign convention on community safeguard and functions held in Chennai, India, in July 2011. The sixty three revised complete papers offered have been conscientiously reviewed and chosen from quite a few submissions. The papers deal with all technical and functional features of defense and its purposes for stressed and instant networks and are prepared in topical sections on community safeguard and functions, advert hoc, sensor and ubiquitous computing, in addition to peer-to-peer networks and belief management.

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Extra info for Advances in Network Security and Applications: 4th International Conference, CNSA 2011, Chennai, India, July 15-17, 2011

Sample text

The worm-detection sensors are responsible for detecting potential worm probes[3] and, more importantly, infection attempts. Several types of sensors may be employed concurrently: Host-based sensors are used for monitoring the behavior of deployed applications and servers. Special-purpose honeypots [7], which simulate the behavior of the target application and capture any communication in the network. , the byte stream which, when “fed” to the target application, will cause an instance of the worm to appear on the target system) is forwarded to a sandboxed environment, which runs appropriately-instrumented instances of the applications which are to be protected.

To achieve the maximum introduction from a single point, this node will have to infect several new hosts, which are also capable of a wide area of infection. This will be crucial in establishing the initial presence of the worm when it is most vulnerable, existing on only a few nodes. An obvious weakness in this scenario is that the worm may be identified back to its source and ultimately its author. By combining a number of factors, including usage patterns of the source host or network, with the code base, investigators can sometimes establish the identity of the author of the malicious software.

If an attacker wishes to maximize network damage, he/she may use compromised computers located in countries where broadband is prevalent. If the goal is to degrade service or steal information over time, the attacker may use compromised computers from a variety of geographical locations. Geographical distribution allows for increased anonymity of attacks and impedes identification, investigation and prosecution of attackers. A reaction mechanism that tries to automatically patch vulnerable software, thus circumventing the need for human intervention in time critical infection containment is proposed.

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