麻烦帮我这个新手看看标记chkrootkit日志，是不是被入侵了？

very263

日记如下，最近已经发现扫描两次了，每次都是晚上4点多开始，麻烦哪位高手给我看看，因为对于我这些新手，我感觉是被攻击了，但是却不知道怎么对付，看日记也是懵喳喳的。

Jun 11 04:02:22 Aoseek chkrootkit: ROOTDIR is `/' Jun 11 04:02:22 Aoseek chkrootkit: Checking `amd'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `basename'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `biff'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `chfn'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `chsh'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `cron'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `crontab'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `date'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `du'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `dirname'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `echo'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `egrep'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `env'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `find'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `fingerd'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `gpm'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `grep'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `hdparm'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `su'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `ifconfig'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `inetd'... not tested Jun 11 04:02:22 Aoseek chkrootkit: Checking `inetdconf'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `identd'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `init'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `killall'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `ldsopreload'... can't exec ./strings-static, not tested Jun 11 04:02:22 Aoseek chkrootkit: Checking `login'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `ls'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `lsof'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `mail'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `mingetty'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `netstat'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `named'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `passwd'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `pidof'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `pop2'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `pop3'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `ps'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `pstree'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `rpcinfo'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `rlogind'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `rshd'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `slogin'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `sendmail'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `sshd'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `syslogd'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `tar'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `tcpd'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `tcpdump'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `top'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `telnetd'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `timed'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `traceroute'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `vdir'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `w'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `write'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `aliens'... no suspect files Jun 11 04:02:22 Aoseek chkrootkit: Searching for sniffer's logs, it may take a while... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for HiDrootkit's default dir... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for t0rn's default files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for t0rn's v8 defaults... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Lion Worm default files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for RSHA's default files and dir... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for RH-Sharpe's default files... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Ambient's rootkit (ark) default files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for suspicious files and dirs, it may take a while... Jun 11 04:02:22 Aoseek chkrootkit: /usr/lib/gtk-2.0/immodules/.relocation-tag /usr/lib/perl5/5.8.8/i386-linux-thread-multi/.packlist /lib/.libcrypto.so.0.9.8e.hmac /lib/.libcrypto.so.6.hmac Jun 11 04:02:22 Aoseek chkrootkit: Jun 11 04:02:22 Aoseek chkrootkit: Searching for LPD Worm files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Ramen Worm files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Maniac files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for RK17 files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Ducoci rootkit... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Adore Worm... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for ShitC Worm... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Omega Worm... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Sadmind/IIS Worm... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for MonKit... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Showtee... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for OpticKit... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for T.R.K... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Mithra... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for LOC rootkit... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Romanian rootkit... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for HKRK rootkit... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Suckit rootkit... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Volc rootkit... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Gold2 rootkit... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for TC2 Worm default files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Anonoying rootkit default files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for ZK rootkit default files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for ShKit rootkit default files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for AjaKit rootkit default files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for zaRwT rootkit default files and dirs... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Madalin rootkit default files... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for Fu rootkit default files... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for ESRK rootkit default files... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for rootedoor... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for ENYELKM rootkit default files... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for common ssh-scanners default files... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for suspect PHP files... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Searching for anomalies in shell history files... nothing found Jun 11 04:02:22 Aoseek chkrootkit: Checking `asp'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `bindshell'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `lkm'... not tested: can't exec Jun 11 04:02:22 Aoseek chkrootkit: Checking `rexedcs'... not found Jun 11 04:02:22 Aoseek chkrootkit: Checking `sniffer'... not tested: can't exec ./ifpromisc Jun 11 04:02:22 Aoseek chkrootkit: Checking `w55808'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `wted'... not tested: can't exec ./chkwtmp Jun 11 04:02:22 Aoseek chkrootkit: Checking `scalper'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `slapper'... not infected Jun 11 04:02:22 Aoseek chkrootkit: Checking `z2'... not tested: can't exec ./chklastlog Jun 11 04:02:22 Aoseek chkrootkit: Checking `chkutmp'... not tested: can't exec ./chkutmp