The rusersd process provides a list of users logged on to the computer in a format similar to the local "w" command. This information may be valuable to the hacker since it gives him positive evidence of user activity. Normally, the hacker would wait until everyone is logged off before we "goes to work".
The rusersd program can be a valuable tool since it informs him when "nobody is around".
The rusersd program provides useful information to the hacker in the form of
This vulnerability can be eliminated by: