Are you sure that's all?
by sealldev & finnersio
🚩 CTFs SecEdu CTF 2024 forensics
Suggested:
#network-forensics
Are you sure that's all? / SecEdu CTF 2024
Original Writeup on seall.dev
Opening up the PCAP file there are only a couple packets, and they are all part of the one stream. Right-clicking on any of the packets we can follow the TCP stream.
Immediately we see some data at the top the stream showing a PDF file was sent:

We can extract the data by clicking Show data as: Raw and Save as, saving the data as a PDF file.
Opening up the PDF, the flag is in the top left.

Flag: SECEDU{s0m3_empl0y33_b3n3fit5}
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