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Unravelling Ariadne's Thread: Exploring the Threats of Decentalised DNS
Constantinos Patsakis, Fran Casino, Nikolaos Lykousas +1
The current landscape of the core Internet technologies shows considerable centralisation with the big tech companies controlling the vast majority of traffic and services. This ha…
Exploiting Statistical and Structural Features for the Detection of Domain Generation Algorithms
Constantinos Patsakis, Fran Casino
Nowadays, malware campaigns have reached a high level of sophistication, thanks to the use of cryptography and covert communication channels over traditional protocols and services…
Encrypted and Covert DNS Queries for Botnets: Challenges and Countermeasures
Constantinos Patsakis, Fran Casino, Vasilios Katos
There is a continuous increase in the sophistication that modern malware exercise in order to bypass the deployed security mechanisms. A typical approach to evade the identificatio…
Blockchain Mutability: Challenges and Proposed Solutions
Eugenia Politou, Fran Casino, Efthimios Alepis +1
Blockchain's evolution during the past decade is astonishing: from bitcoin to over 2.000 altcoins, and from decentralised electronic payments to transactions programmable by smart…
HEDGE: Efficient Traffic Classification of Encrypted and Compressed Packets
Fran Casino, Kim-Kwang Raymond Choo, Constantinos Patsakis
As the size and source of network traffic increase, so does the challenge of monitoring and analysing network traffic. Therefore, sampling algorithms are often used to alleviate th…
Hydras and IPFS: A Decentralised Playground for Malware
Constantinos Patsakis, Fran Casino
Modern malware can take various forms, and has reached a very high level of sophistication in terms of its penetration, persistence, communication and hiding capabilities. The use…
Sharing emotions at scale: The Vent dataset
Nikolaos Lykousas, Costantinos Patsakis, Andreas Kaltenbrunner +1
The continuous and increasing use of social media has enabled the expression of human thoughts, opinions, and everyday actions publicly at an unprecedented scale. We present the Ve…