tshark -r capture.pcap -Y "icmp.type == 8" -T fields -e data > hex_dump.txt Use code with caution. Copied to clipboard 3. Data Recomposition The extracted data is typically one of two things:
A small .jpg or .png file sent byte-by-byte. Ping.Pong.Balls.7z
A second 7z or ZIP file containing the final flag.txt . tshark -r capture
The archive typically contains a single .pcap or .pcapng file. The core objective is to analyze a stream of ICMP (Ping) traffic to uncover a hidden message or file. Key Technical Details ICMP (Internet Control Message Protocol). Ping.Pong.Balls.7z
Depending on the specific version of this challenge, the payload usually results in:
A simple scapy script can automate the extraction if the packet count is in the thousands.
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