OS Command Injection is an attack technique used for unauthorised execution of operating system commands.
We can see network interface and ip address
192.168.1.1 | ifconfig
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We can see current directory
192.168.1.1 | dir
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We can see directory file list
192.168.1.1 | ls
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We can see what entry it added to the "/etc/passwd" file by entering:
tail -1 /etc/passwd
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What Is the "/etc/passwd" File?
The first file we will look at, called the "/etc/passwd" file, does not actually store passwords.
At one time, this file stored the hashed passwords of every user on the system. However, this responsibility has been moved to a separate file for security reasons.
Let's look at what is in the "/etc/passwd" file:
cat /etc/passwd
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