Search results for "domain name system"

showing 3 items of 3 documents

A secret sharing scheme for anonymous DNS queries

2013

Since its adoption in the early 90's, several privacy concerns have emerged about the Domain Name System (DNS). By collecting the DNS queries performed by each user, it is possible to characterize habits, interests and other sensitive data of the users. Usually, users resolve their {\em url} requests by querying the DSN server belonging to their Internet Service Provider (ISP) and therefore they assume they can trust it. However, different DNS servers can be used, by revealing sensitive data to a partially untrusted entity that can collect and sell this data for several purposes (target advertising, user profiling, etc.). In this paper we address the possibility to integrate tools in the cu…

Name serverInformation privacyComputer scienceRound-robin DNSecret sharing schemeOverlay networkServersServernsupdateISPDNS spoofingPeer-to-peer computingDNS hijackingdomain name systemInternetdata privacyender anonymitybusiness.industrySettore ING-INF/03 - TelecomunicazioniDomain Name Systemquery processinguser privacyComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKSmultiple nodeIP networkInternet service provideranonymous DNS queryPrivacyecurity of dataCryptographybusinessComputer networkDSN serverRadiation detector
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Domain Generation Algorithm Detection Using Machine Learning Methods

2018

A botnet is a network of private computers infected with malicious software and controlled as a group without the knowledge of the owners. Botnets are used by cybercriminals for various malicious activities, such as stealing sensitive data, sending spam, launching Distributed Denial of Service (DDoS) attacks, etc. A Command and Control (C&C) server sends commands to the compromised hosts to execute those malicious activities. In order to avoid detection, recent botnets such as Conficker, Zeus, and Cryptolocker apply a technique called Domain-Fluxing or Domain Name Generation Algorithms (DGA), in which the infected bot periodically generates and tries to resolve a large number of pseudorando…

Pseudorandom number generatorDomain generation algorithmAlphanumericComputer sciencebusiness.industryDomain Name SystemComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKSBotnetDenial-of-service attackMachine learningcomputer.software_genreComputingMilieux_MANAGEMENTOFCOMPUTINGANDINFORMATIONSYSTEMSCryptoLockerMalwareArtificial intelligencebusinesscomputer
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DNS Tunneling Detection Techniques – Classification, and Theoretical Comparison in Case of a Real APT Campaign

2017

Domain Name System (DNS) plays an important role as a translation protocol in everyday use of the Internet. The purpose of DNS is to translate domain names into IP addresses and vice versa. However, its simple architecture can easily be misused for malicious activities. One huge security threat concerning DNS is tunneling, which helps attackers bypass the security systems unnoticed. A DNS tunnel can be used for three purposes: as a command and control channel, for data exfiltration or even for tunneling another protocol through it. In this paper, we surveyed different techniques for DNS tunneling detection. We classified those first based on the type of data and then within the categories b…

DNS tunneling detectionSIMPLE (military communications protocol)business.industryComputer scienceDomain Name SystemComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS020206 networking & telecommunications02 engineering and technologyComputer securitycomputer.software_genreDomain (software engineering)protokollat0202 electrical engineering electronic engineering information engineeringAPT020201 artificial intelligence & image processingThe Internetcovert channels detectiontietoturvabusinesscomputerProtocol (object-oriented programming)
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