Banner grabbing
nc:nc -nv 79
User enumeration
finger:finger @ #List users
finger admin@ #Get info of user
finger user@ #Get info of user
finger-user-enum:finger-user-enum.pl -U users.txt -t 10.0.0.1 #Mutiple users, single ip
finger-user-enum.pl -u root -t 10.0.0.1 #single user, single ip
finger-user-enum.pl -U users.txt -T ips.txt #multiple users, multiple ip
Command execution
finger:finger user@host@victim
finger @internal@external