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IN2011 Computer Networks : Courswork 1
February 13, 2020
1 Fictional Back Story
One of the company test servers has been hacked! Fortunately your networking
team was recording the traffic going to and from the server while diagnosing an
unrelated fault. You have a complete log of the attack! The CEO has asked
you to use your knowledge of networking to answer four key questions:
1. How did the attacker find the vulnerability?
2. How did they exploit the vulnerability to gain access?
3. What did they do once they had access?
4. What could be done to stop this happening again?
2 Tasks
• Download the file attack.pcap from Moodle and open it in Wireshark
(either in the virtual machine image or on your own computer).
• Using your knowledge of network protocols and the features of Wireshark
work out what has happened.
• Write a short report (4 pages max!) which answers four questions given
above.
• Every claim or observation you make must be linked to one or more packets
or parts of packets in the pcap file. Use the packet number (on the far left
of the main display) to identify packets.
3 Deadline