picoCTF 2022 | Packets Primer Write-up

Challenge description

Download the packet capture file and use packet analysis software to find the flag.

Category: Forensics


The provided file is in the .pcap format, which is the output of a program that captures network traffic. Knowing this, let’s open it up with wireshark, a tool specifically made to analyze network traffic.

On line 4, we can see that some data was transmitted. Inspecting this particular packet will reveal the flag:


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