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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Active Response to Selected Network Attacks
 Wysoglad, Jaromír ; Martínek, Tomáš (referee) ; Žádník, Martin (advisor)
The goal of this thesis is to design and implement an active response to a chosen network attack. In the thesis are mentioned a few different possible responses to network attacks. These reactions are then compared using a few different criteria and the most appropriate response is then chosen for implementation. This response is then described in detail and its implementation is proposed. In the later fazes of the thesis the reaction is implemented and tested. The chosen reaction can react to two types of attacks. The first type is a port scan. The implemented project can answer a port scan instead of the original victim. The second type is a situation, when an attacker is trying to log into an SSH server of the victim. The project can reroute these login attempts to a honeypot, which can record the used login credentials. After this, it's possible to let the attacker to successfuly login. In this sitation the honeypot will reroute the attacker to a docker container, so the attacker will think, that this is a real ssh server. The honeypot will then record attacker's every move on the container. As a part of the thesis, there is also a simple application, which allows the defender to replay the recorded attack. The defender will se exactly the same output as the attacker saw during the attack.
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