谁明白这是什么？

junjun_12315

我用Rootkit时（./chkrootkit）发现如下现象，
ROOTDIR is `/'
Checking `amd'... not found
Checking `basename'... not infected
Checking `biff'... not found
Checking `chfn'... not infected
Checking `chsh'... not infected
Checking `cron'... not infected
Checking `date'... not infected
Checking `du'... not infected
Checking `dirname'... not infected
Checking `echo'... not infected
Checking `egrep'... not infected
Checking `env'... not infected
Checking `find'... not infected
Checking `fingerd'... not found
Checking `gpm'... not infected
Checking `grep'... not infected
Checking `hdparm'... not infected
Checking `su'... not infected
Checking `ifconfig'... not infected
Checking `inetd'... not tested
Checking `inetdconf'... not found
Checking `identd'... not found
Checking `init'... not infected
Checking `killall'... not infected
Checking `ldsopreload'... not infected
Checking `login'... not infected
Checking `ls'... not infected
Checking `lsof'... not infected
Checking `mail'... not infected
Checking `mingetty'... not infected
Checking `netstat'... not infected
Checking `named'... not infected
Checking `passwd'... not infected
Checking `pidof'... not infected
Checking `pop2'... not found
Checking `pop3'... not found
Checking `ps'... not infected
Checking `pstree'... not infected
Checking `rpcinfo'... not infected
Checking `rlogind'... not found
Checking `rshd'... not found
Checking `slogin'... not infected
Checking `sendmail'... not infected
Checking `sshd'... not infected
Checking `syslogd'... not infected
Checking `tar'... not infected
Checking `tcpd'... not infected
Checking `tcpdump'... not infected
Checking `top'... not infected
Checking `telnetd'... not infected
Checking `timed'... not found
Checking `traceroute'... not infected
Checking `vdir'... not infected
Checking `w'... not infected
Checking `write'... not infected
Checking `aliens'... no suspect files
Searching for sniffer's logs, it may take a while... nothing found
Searching for HiDrootkit's default dir... nothing found
Searching for t0rn's default files and dirs... nothing found
Searching for t0rn's v8 defaults... nothing found
Searching for Lion Worm default files and dirs... nothing found
Searching for RSHA's default files and dir... nothing found
Searching for RH-Sharpe's default files... nothing found
Searching for Ambient's rootkit (ark) default files and dirs... nothing found
Searching for suspicious files and dirs, it may take a while...
/usr/lib/qt-3.3/etc/settings/.qtrc.lock /usr/lib/qt-3.3/etc/settings/.qt_plugins
_3.3rc.lock /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/auto/DCOP/.pa
cklist /usr/lib/perl5/5.8.8/i386-linux-thread-multi/.packlist

Searching for LPD Worm files and dirs... nothing found
Searching for Ramen Worm files and dirs... nothing found
Searching for Maniac files and dirs... nothing found
Searching for RK17 files and dirs... nothing found
Searching for Ducoci rootkit... nothing found
Searching for Adore Worm... nothing found
Searching for ShitC Worm... nothing found
Searching for Omega Worm... nothing found
Searching for Sadmind/IIS Worm... nothing found
Searching for MonKit... nothing found
Searching for Showtee... nothing found
Searching for OpticKit... nothing found
Searching for T.R.K... nothing found
Searching for Mithra... nothing found
Searching for LOC rootkit... nothing found
Searching for Romanian rootkit... nothing found
Searching for HKRK rootkit... nothing found
Searching for Suckit rootkit... nothing found
Searching for Volc rootkit... nothing found
Searching for Gold2 rootkit... nothing found
Searching for TC2 Worm default files and dirs... nothing found
Searching for Anonoying rootkit default files and dirs... nothing found
Searching for ZK rootkit default files and dirs... nothing found
Searching for ShKit rootkit default files and dirs... nothing found
Searching for AjaKit rootkit default files and dirs... nothing found
Searching for zaRwT rootkit default files and dirs... nothing found
Searching for Madalin rootkit default files... nothing found
Searching for Fu rootkit default files... nothing found
Searching for ESRK rootkit default files... nothing found
Searching for rootedoor... nothing found
Searching for anomalies in shell history files... nothing found
Checking `asp'... not infected
Checking `bindshell'... not infected
Checking `lkm'... chkproc: nothing detected
Checking `rexedcs'... not found
Checking `sniffer'... /proc/7126/fd: No such file or directory
ppp0: not promisc and no PF_PACKET sockets
Checking `w55808'... not infected
Checking `wted'... chkwtmp: nothing deleted
Checking `scalper'... not infected
Checking `slapper'... not infected
Checking `z2'... chklastlog: nothing deleted
Checking `chkutmp'...  The tty of the following user process(es) were not found
in /var/run/utmp !
! RUID          PID TTY    CMD
! root         2184 tty1   /sbin/mingetty tty1
! root         2187 tty2   /sbin/mingetty tty2
! root         2190 tty3   /sbin/mingetty tty3
! root         2193 tty4   /sbin/mingetty tty4
! root         2197 tty6   /sbin/mingetty tty6
! root         4325 tty7   /usr/bin/Xorg :0 -audit 0 -auth /var/gdm/:0.Xauth -no   
listen tcp vt7
! =           31327 "/[^/]+$");? substr(filename, RSTART + 1, RLENGTH - 1);?                                                                   if (match(progname, "\\." section "[A-Za-z]+")) {??actual_section = substr(pro                                                             gname, RSTART + 1, RLENGTH - 1);?      } else {??actual_section = section;?                                                                   }?      sub(/\..*/, "", progname);?      if (use_z! TclX.n)??   15145 UCTION #                                                              and anything at all that begins in Column 1, so ??      # is probably a section                                                              header.??    done = 1;??  } else {??    if ($0 ~ progname"-") {  # Fix old cat p                                                             ages???sub(progname"-", progname" - ");??    }??    if ($0 ~ /[^ \\]-$/) {??                                                                   sub(/-$/, "");! sub(/^          0 ment/troff chkutmp: nothing deleted


这最后一段是怎么回事？