Honeyd [14] is a popular tool developed by Niels Provos that offers a simple way to emulate services offered by several machines on a single PC. It is a so called low interaction honeypot. Responses to incoming requests are generated thanks to ad-hoc scripts that need to be written by hand. As a result, few scripts exist, especially for services handling proprietary protocols. In this paper, we propose a method to alleviate these problems by automatically generating new scripts. We explain the method and describe its limitations. We analyze the quality of the generated scripts thanks to two different methods. On the one hand, we have launched known attacks against a machine running our scripts; on the other hand, we have deployed that machine on the Internet, next to a high interaction honeypot during two months. For those attackers that have targeted both machines, we can verify if our scripts have, or not, been able to fool them. We also discuss the various tuning parameters of the algorithm that can be set to either increase the quality of the script or, at the contrary, to reduce its complexity.
Abstract-Fault tolerance in the form of diverse redundancy is well known to improve the detection rates for both malicious and non-malicious failures. What is of interest to designers of security protection systems are the actual gains in detection rates that they may give. In this paper we provide exploratory analysis of the potential gains in detection capability from using diverse AntiVirus products for the detection of self-propagating malware. The analysis is based on 1599 malware samples collected by the operation of a distributed honeypot deployment over a period of 178 days. We sent these samples to the signature engines of 32 different AntiVirus products taking advantage of the VirusTotal service. The resulting dataset allowed us to perform analysis of the effects of diversity on the detection capability of these components as well as how their detection capability evolves in time.
Abstract. Spitzner proposed to classify honeypots into low, medium and high interaction ones. Several instances of low interaction exist, such as honeyd, as well as high interaction, such as GenII. Medium interaction systems have recently received increased attention. ScriptGen and RolePlayer, for instance, are as talkative as a high interaction system while limiting the associated risks. In this paper, we do build upon the work we have proposed on ScriptGen to automatically create honeyd scripts able to interact with attack tools without relying on any a-priori knowledge of the protocols involved. The main contributions of this paper are threefold. First, we propose a solution to detect and handle so-called intra-protocol dependencies. Second, we do the same for inter-protocols dependencies. Last but not least, we show how, by modifying our initial refinement analysis, we can, on the fly, generate new scripts as new attacks, i.e. 0-day, show up. As few as 50 samples of attacks, i.e. less than one per platform we have currently deployed in the world, is enough to produce a script that can then automatically enrich all these platforms.
Abstract. Rogue antivirus software has recently received extensive attention, justified by the diffusion and efficacy of its propagation. We present a longitudinal analysis of the rogue antivirus threat ecosystem, focusing on the structure and dynamics of this threat and its economics.To that end, we compiled and mined a large dataset of characteristics of rogue antivirus domains and of the servers that host them. The contributions of this paper are threefold. Firstly, we offer the first, to our knowledge, broad analysis of the infrastructure underpinning the distribution of rogue security software by tracking 6,500 malicious domains. Secondly, we show how to apply attack attribution methodologies to correlate campaigns likely to be associated to the same individuals or groups. By using these techniques, we identify 127 rogue security software campaigns comprising 4,549 domains. Finally, we contextualize our findings by comparing them to a different threat ecosystem, that of browser exploits. We underline the profound difference in the structure of the two threats, and we investigate the root causes of this difference by analyzing the economic balance of the rogue antivirus ecosystem. We track 372,096 victims over a period of 2 months and we take advantage of this information to retrieve monetization insights. While applied to a specific threat type, the methodology and the lessons learned from this work are of general applicability to develop a better understanding of the threat economies.
The dependability community has expressed a growing interest in the recent years for the effects of malicious, external, operational faults in computing systems, ie. intrusions. The term intrusion tolerance has been introduced to emphasize the need to go beyond what classical fault tolerant systems were able to offer. Unfortunately, as opposed to well understood accidental faults, the domain is still lacking sound data sets and models to offer rationales in the design of intrusion tolerant solutions. In this paper, we describe a framework similar in its spirit to so called honeyfarms but built in a way that makes its large-scale deployment easily feasible. Furthermore, it offers a very rich level of interaction with the attackers without suffering from the drawbacks of expensive high interaction systems. The system is described, a prototype is presented as well as some preliminary results that highlight the feasibility as well as the usefulness of the approach.
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