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19 lines
667 B
Markdown
19 lines
667 B
Markdown
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---
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functions:
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sudo:
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- description: |
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This technique can be used to write arbitrary files, i.e., the dump of one UDP packet.
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After starting Wireshark, and waiting for the capture to begin, deliver the UDP packet, e.g., with `nc` (see below). The capture then stops and the packet dump can be saved:
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1. select the only received packet;
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2. right-click on "Data" from the "Packet Details" pane, and select "Export Packet Bytes...";
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3. choose where to save the packet dump.
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code: |
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PORT=4444
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sudo wireshark -c 1 -i lo -k -f "udp port $PORT" &
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echo 'DATA' | nc -u 127.127.127.127 "$PORT"
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