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What is the correct command to run Netcat on a server using port 56 that spawns command shell when connected?Select one:a. nc -r 56 -c cmd.exeb. nc -p 56 -p -e shell.exec. nc -L 56 -t -e cmd.exed. nc -port 56 -s cmd.exe

Question

What is the correct command to run Netcat on a server using port 56 that spawns command shell when connected?Select one:a. nc -r 56 -c cmd.exeb. nc -p 56 -p -e shell.exec. nc -L 56 -t -e cmd.exed. nc -port 56 -s cmd.exe

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Solution

The correct command to run Netcat on a server using port 56 that spawns a command shell when connected is:

b. nc -p 56 -e /bin/sh

This command does the following:

  • nc: This is the Netcat command.
  • -p 56: This tells Netcat to use port 56.
  • -e /bin/sh: This tells Netcat to execute /bin/sh (a command shell) when a connection is made.

Please note that the use of the -e option might not be available in all versions of netcat due to its potential security risk, and it might be necessary to use other methods or tools like ncat or socat.

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