I'll let you seek around my file as far as you want, but you can't go anywhere since it's /dev/null.
To figure out where things are, you can use the gdb debugger. I recommend using a Docker instance, such as with the Dockerfile provided, to ensure you have an environment that matches the remote server you are attacking.
[Hint! You can find the location of functions in the Global Offset Table by using their name followed by @got.plt - for example, print &'[email protected]'.]
By: sera