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Model and implementation of user activity tracking utilizing the TLS Client Hello’s server_name extension

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Model and implementation of user activity tracking utilizing the TLS Client Hello’s server_name extension - Supporting Documents

This repository serves as a store for source code and other related documents regarding the paper on user activity tracking utilizing the TLS Client Hello’s server_name extension.

Abstract

This paper puts forward a feasible, non-intrusive, method of tracking user activity using TLS’s Client Hello section of a handshake (specified in the TLS protocol), namely the server_name extension. This method can provide an attacker with relevant information regarding patterns and services utilized inside of the target network, further expanding their understanding of the attack surface, potentially, serving as a tool to determine the timing of an attack or, even, provide an attacker with knowledge of a point of entry to a given system. It is noteworthy that TLS Client Hellos will be encrypted in a future version of the TLS protocol, rendering this method infeasible in fully updated networks.

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The aforementioned code and documents are protected and released to the public under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) License which can be viewed in license.md or on the Creative Commons website (https://creativecommons.org/licenses/by-nc/4.0/). Any failure to comply with the terms designated in the license will be met with swift judicial action by the author.

By downloading, executing or otherwise transferring the contents of this repository by any means you are legally bound to the terms stipulated in the license.

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Model and implementation of user activity tracking utilizing the TLS Client Hello’s server_name extension

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