rootkit

( /root´kit/, n.)

   [very  common]  A kit for maintaining {root}; an automated {cracking}
   tool.  What {script kiddies} use. After a cracker has first broken in
   and gained root access, he or she will install modified binaries such
   as  a modified version login with a backdoor, or a version of ps that
   will not report the cracker's processes). This is a rootkit.

[glossary]
[Reference(s) to this entry by made by: {cracking}{script kiddies}]