su command delays for few seconds when I enter an invalid password. I added the feature to NetFS authentication.
The password for netfs2.7z is the flag of "NetFS 1"
The Process Filesystem (procfs) is a virtual filesystem that allows process and kernel information to be accessed as files on systems such as Linux.
In CTFs, players aim to obtain the flag by reading information under /proc/self/ or /proc/<pid>/, such as the state of a running process, environment variables, and command-line arguments.
(automatically translated from Japanese)
