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Detection of Malicious Domain Names
Setinský, Jiří ; Perešíni, Martin (referee) ; Tisovčík, Peter (advisor)
The bachelor thesis deals with the detection of artificially generated domain names (DGA). The generated addresses serve as a means of communication between the attacker and the infected computer. By detection, we can detect and track infected computers on the network. The detection itself is preceded by the study of machine learning techniques, which will then be applied in the creation of the detector. To create the final classifier in the form of a decision tree, it was necessary to analyze the principle of DGA addresses. Based on their characteristics, the attributes were extracted, according to which the final classifier will be decided. After learning the classification model on the training set, the classifier was implemented in the target platform NEMEA as a detection module. After final optimizations and testing, we achieved a accuracy of the classifier of 99%, which is a very positive result. The NEMEA module is ready for real-world deployment to detect security incidents. In addition to the NEMEA module, another model was created to predict the accuracy of datasets with domain names. The model is trained based on the characteristics of the dataset and the accuracy of the DGA detector, whose behavior we want to predict.
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Protection of domain names
Dušek, Ondřej ; Horáček, Vít (advisor) ; Horáček, Tomáš (referee)
In the diploma work, there are examined domain names, which have become, due to a mass development of the Internet, an economically very valuable estate. Domain names lack, although being a generally known notion, any legal anchoring in the Czech system of law. The absence of legal regulation of domain names is not an anomaly of the Czech legal environment, but it can also be seen in the states with advanced legal culture. Domain names fulfill, in addition to being a very valuable commercial article, identification and/or promotional functions. Just for those reasons, the domain names need to be provided a corresponding legal protection. The introductory part of the diploma work, containing an introduction into the issues of domain names, addresses technical aspects of domain names and the method of their hierarchical structuring. Further, the diploma work contains a list of institutions which play, in the area of domain names, an important role for various reasons. The historical development of the institutions, their organization, and activity contents are briefly described. Then the legal nature of domain names is examined and a question whether a domain name can be considered to be a thing/item, right and/or any other asset value is answered. Furthermore, the diploma work contains a description...
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Detection of Malicious Domain Names
Setinský, Jiří ; Perešíni, Martin (referee) ; Tisovčík, Peter (advisor)
The bachelor thesis deals with the detection of artificially generated domain names (DGA). The generated addresses serve as a means of communication between the attacker and the infected computer. By detection, we can detect and track infected computers on the network. The detection itself is preceded by the study of machine learning techniques, which will then be applied in the creation of the detector. To create the final classifier in the form of a decision tree, it was necessary to analyze the principle of DGA addresses. Based on their characteristics, the attributes were extracted, according to which the final classifier will be decided. After learning the classification model on the training set, the classifier was implemented in the target platform NEMEA as a detection module. After final optimizations and testing, we achieved a accuracy of the classifier of 99%, which is a very positive result. The NEMEA module is ready for real-world deployment to detect security incidents. In addition to the NEMEA module, another model was created to predict the accuracy of datasets with domain names. The model is trained based on the characteristics of the dataset and the accuracy of the DGA detector, whose behavior we want to predict.
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Registration and Use of Domain Names in Unfair Competition
Zajíc, Jan ; Horáček, Tomáš (referee)
Registration and Use of Domain Names in Unfair Competition The subject of this diploma thesis is the application of Czech law concerning unfair competition to the unfair competition practices related to registration and use of domain names, in particular to the unfair competition practices of cybersquatting. The aim of the thesis is examining questions whether the Czech legislation provides an effective instrument for ensuring legal recourse to the practices concerned. In order to solve the stated issue, the author of the thesis describes in the first chapter, mainly by the descriptive method, the necessary technical basis of domain name problematics and registration, in the second chapter defines the legal nature of a domain name and related rights considering the recodification of civil law, in the third chapter the author analyzes mainly by the descriptive method the legal grounds of EU legislation on competition, the form of regulation and its influence on the national regulation of unfair competition. The fourth chapter examines the general provision of unfair competition and analyzes whether the general provision is correctly interpreted and applied by courts to unfair competition practices of cybersquatting, particularly whether the courts correctly interpret the concept of the normative...
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Registration and Use of Domain Names in Unfair Competition
Zajíc, Jan ; Horáček, Tomáš (referee)
Registration and Use of Domain Names in Unfair Competition The subject of this diploma thesis is the application of Czech law concerning unfair competition to the unfair competition practices related to registration and use of domain names, in particular to the unfair competition practices of cybersquatting. The aim of the thesis is examining questions whether the Czech legislation provides an effective instrument for ensuring legal recourse to the practices concerned. In order to solve the stated issue, the author of the thesis describes in the first chapter, mainly by the descriptive method, the necessary technical basis of domain name problematics and registration, in the second chapter defines the legal nature of a domain name and related rights considering the recodification of civil law, in the third chapter the author analyzes mainly by the descriptive method the legal grounds of EU legislation on competition, the form of regulation and its influence on the national regulation of unfair competition. The fourth chapter examines the general provision of unfair competition and analyzes whether the general provision is correctly interpreted and applied by courts to unfair competition practices of cybersquatting, particularly whether the courts correctly interpret the concept of the normative...
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Registration and Use of Domain Names in Unfair Competition
Zajíc, Jan ; Patěk, Daniel (advisor) ; Rozehnal, Aleš (referee)
Registration and Use of Domain Names in Unfair Competition The subject of this diploma thesis is the application of Czech law concerning unfair competition to the unfair competition practices related to registration and use of domain names, in particular to the unfair competition practices of cybersquatting. The aim of the thesis is examining questions whether the Czech legislation provides an effective instrument for ensuring legal recourse to the practices concerned. In order to solve the stated issue, the author of the thesis describes in the first chapter, mainly by the descriptive method, the necessary technical basis of domain name problematics and registration, in the second chapter defines the legal nature of a domain name and related rights considering the recodification of civil law, in the third chapter the author analyzes mainly by the descriptive method the legal grounds of EU legislation on competition, the form of regulation and its influence on the national regulation of unfair competition. The fourth chapter examines the general provision of unfair competition and analyzes whether the general provision is correctly interpreted and applied by courts to unfair competition practices of cybersquatting, particularly whether the courts correctly interpret the concept of the normative...
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Protection of a domain name in relation to other industrial rights
Brandýs, Martin ; Horáček, Vít (advisor) ; Rozehnal, Aleš (referee)
This thesis on the theme Protection of a domain name in relation to other industrial rights strives to provide a comprehensive image of domain names protection in relation to the relevant objects of industrial property, respectively in relation to industrial rights related to these objects, as well as to provide a summary of the interpretative practice to this topic of the courts in the Czech Republic and of the Arbitration Court attached to the Economic Chamber of the Czech Republic and Agricultural Chamber of the Czech Republic with regards to top level domain .cz. For this purpose, the first part of the thesis introduces a basic technical and descriptive introduction to domain names containing a general and comprehensible extract of technical solution and significance of domain names, which are also used in other chapters of this thesis. The following third chapter defines the basic definition of the domain names anchoring in the law in the Czech Republic, including current theoretical and legal concepts of domain names. The fourth chapter introduces the basic characteristic of industrial rights that are compared in contrast to domain names. This chapter also identifies the eligible objects of industrial property with which the registration and possession of the domain names may collide. The...
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Domain names in the Czech legal system
Kuba, Jaroslav ; Dobřichovský, Tomáš (advisor) ; Wünschová Pujmanová, Alexandra (referee)
Domain names in the Czech legal system The aim of this work is to introduce readers to the topic of domain names themselves with a necessary technical overlap, their legal regulation in the Czech legal framework, including a general analysis of particular legal institutes used for their protection (namely trademarks, unfair competition, name of an individual and name of a legal entity), and finally to outline the ways and development of the settlement of disputes arising from them before the judicial and extrajudicial bodies. The first chapter of the thesis covers the concept of domain names as such from a technical point of view. There is described the domain name function in the Internet and the domain name system as well, consisting of top level domains of different types with their specifics. Consequently are there through domain name registration covered domain name disputes in a global context, including the individual causes (types) of these disputes, and finally concludes with the description of a specific form of alternative dispute resolution called UDRP. The second, most extensive chapter is dedicated to the legal regulation of domain names in the Czech legal framework itself. The chapter begins with theoretical concept of domain names from the legal point of view and its historical...
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Legal protection of domain names
Matušek, Radek ; Horáček, Vít (advisor) ; Čech, Petr (referee)
Legal protection of domain names The main purpose of this thesis is to provide complex information about the topic of domain names. In the last fifteen years, domain names have become a very valuable estate, that can generate millions of dollars. The value of domain names have been a cause of various exploitations, namely speculative domain registrations of attractive domain names. These registrations are infringing third person rights, mostly trademark rights. The issue at hand with domain names seems to be the registration process. The first come, first serve principle that is associated with domain name registration can be a cause of various legal infringements. The thesis is divided into eight chapters. The first three chapters are an introduction into the world of domain names, providing necessary information about what domain names are, what is their definition and how they are categorised. The subject of the fourth chapter are the main organisations that have the most influence on domain names, where historical context and a summary of their functions are provided. The next chapter describes the legal nature of domain names, whether a domain name can be viewed as a property right or a contract right. Further the chapter analyzes relations between domain names and other legal institutions,...
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Legal protection of domain names
Novotný, Jakub ; Horáček, Vít (advisor) ; Štenglová, Ivanka (referee)
Legal protection of domain names This diploma thesis provides overall introduction of domain names problematic, the topic which has witnessed stable rise of popularity over the last two decades, with special emphasis on its legal aspects and possibilities of legal protection. Mass expansion of the domain names over the years came hand in hand with some displeasing side effects, namely increasing occurrence of speculative behaviour residing in bad faith registration of attractive domain names. This practice, so called cyber squatting, rests in systematic abuse of key domain name registration principle first come first serve. As a result of increasing number of intellectual property infringements, namely trademark rights, the need for adequate techniques of domain name protection was highlighted. This task however was not going to be easy. From the legal point of view, domain names are very specific institution in a sense that explicit legal regulations are typically lacking and the rules of this exciting sphere are defined based on the soft law principles drafted by the nongovernmental domain names authorities. Therefore an enforcement of effective measures is not as smooth as for traditional institutions. To investigate this particularity, I have tried to prove presumption, that distribution of...
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