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// case study

Network anomaly analysis

Reading packet captures in Wireshark to find suspicious traffic, such as unencrypted Telnet logins.

Context

A networking project from my previous portfolio.

What I did

  • Filtered traffic in Wireshark, e.g. ftp or tcp.stream eq 2, to follow a single session.
  • Found credentials sent in cleartext over Telnet and traced unusual SYN/ACK/FIN packets.
  • Wrote up findings per question from the .pcapng files.