Schweineschwarte
Member
Hallo alle zusammen,
meine Eltern besitzen ein openSUSE 11.4 (x86_64) und nutzen dabei KDE.
Ich habe gerade festgestellt, dass eine Anmeldung am System (egal ob beim normalen Anmelden über die Oberfläche oder über die Konsole bspw. mittels su) ich mich mit jedem beliebigen Passwort anmelden kann (auch leeres PW wird akzeptiert).
Da dies ja nun eindeutig nicht richtig ist (und früher auch nicht so war) liegt für mich der Verdacht nahe, dass sie sich vielleicht ein Tojaner/RootKit eingefangen haben und ich habe chkrootkit und rkhunter einmal durchlaufen lassen.
chkrootkit (auf Startsystem)
chkrootkit (live-cd)
rkhunter (auf Startsystem)
(ausgelagert, da sonst zu viele Zeichen in diesem Beitrag sind )
http://pastebin.com/QJq2vhDR
rkhunter (live-cd)
http://pastebin.com/aYTX4AwV
Die Ergebnisse fallen dabei recht unterschiedlich aus. Warnungen treten bei beiden Versuchen auf, jedoch sind diese unterschiedlicher Natur.
Während chkrootkit beim Startsystem mir keine Infektionen meldet, kommen beim live-cd-Versuch mehrere Infektionsmeldungen. Ich vermute hier jedoch, dass die Leute von PartedMagic an den Dateien was verändert haben und chkrootkit nur die Dateien der live-cd geprüft hat.
rkhunter meldet bei beiden Versuchen unterschiedliche Fehlermeldungen, womit ich speziell jedoch nicht so genau etwas mit anfangen kann. Ich vermute, dass die verschiedenen Ergebnisse ähnlich wie bei chkrootkit durch alleinige Prüfung live-cd-Dateien entstanden ist.
Hättet ihr vielleicht noch eine Idee was ich machen könnte außer das System neu aufzusetzen?
meine Eltern besitzen ein openSUSE 11.4 (x86_64) und nutzen dabei KDE.
Ich habe gerade festgestellt, dass eine Anmeldung am System (egal ob beim normalen Anmelden über die Oberfläche oder über die Konsole bspw. mittels su) ich mich mit jedem beliebigen Passwort anmelden kann (auch leeres PW wird akzeptiert).
Da dies ja nun eindeutig nicht richtig ist (und früher auch nicht so war) liegt für mich der Verdacht nahe, dass sie sich vielleicht ein Tojaner/RootKit eingefangen haben und ich habe chkrootkit und rkhunter einmal durchlaufen lassen.
chkrootkit (auf Startsystem)
Code:
linux:/home/luhnburg # chkrootkit
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 `crontab'... 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 found
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 tested
Checking `tar'... not infected
Checking `tcpd'... not infected
Checking `tcpdump'... not infected
Checking `top'... not infected
Checking `telnetd'... not found
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/perl5/5.12.3/x86_64-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 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 ENYELKM rootkit default files... nothing found
Searching for common ssh-scanners default files... nothing found
Searching for suspect PHP files... nothing found
Searching for anomalies in shell history files... nothing found
Checking `asp'... not infected
Checking `bindshell'... not infected
Checking `lkm'... find: `/proc/6586/net': Das Argument ist ungültig
chkproc: nothing detected
chkdirs: nothing detected
Checking `rexedcs'... not found
Checking `sniffer'... eth0: 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 5994 tty7 /usr/bin/Xorg -br :0 vt7 -nolisten tcp -auth /var/lib/xdm/authdir/authfiles/A:0-4c7xlb
! luhnburg 6704 pts/3 /bin/su root -c /usr/lib64/kde4/libexec/kdesu_stub -
! root 6707 pts/3 /usr/lib64/kde4/libexec/kdesu_stub
chkutmp: nothing deleted
Checking `OSX_RSPLUG'... not infected
linux:/home/luhnburg #
chkrootkit (live-cd)
Code:
root@PartedMagic:~/chkrootkit-0.49# sh chkrootkit
ROOTDIR is `/'
Checking `amd'... not found
Checking `basename'... INFECTED
Checking `biff'... not found
Checking `chfn'... not infected
Checking `chsh'... not infected
Checking `cron'... not infected
Checking `crontab'... not infected
Checking `date'... not infected
Checking `du'... INFECTED
Checking `dirname'... INFECTED
Checking `echo'... INFECTED
Checking `egrep'... not infected
Checking `env'... 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'... INFECTED
Checking `inetdconf'... not infected
Checking `identd'... not found
Checking `init'... not infected
Checking `killall'... not infected
Checking `ldsopreload'... can't exec ./strings-static, not tested
Checking `login'... not infected
Checking `ls'... not infected
Checking `lsof'... not infected
Checking `mail'... not found
Checking `mingetty'... not infected
Checking `netstat'... INFECTED
Checking `named'... not found
Checking `passwd'... not infected
Checking `pidof'... not infected
Checking `pop2'... not found
Checking `pop3'... not found
Checking `ps'... not infected
Checking `pstree'... not found
Checking `rpcinfo'... not found
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 found
Checking `tcpdump'... not infected
Checking `top'... not infected
Checking `telnetd'... not infected
Checking `timed'... not found
Checking `traceroute'... INFECTED
Checking `vdir'... not found
Checking `w'... strings: w: No such file or directory
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/perl5/5.12.1/i486-linux-thread-multi/.packlist /usr/lib/perl5/vendor_perl/5.12.1/i486-linux-thread-multi/auto/DBD/mysql/.packlist /usr/lib/perl5/vendor_perl/5.12.1/i486-linux-thread-multi/auto/DBI/.packlist /usr/lib/perl5/vendor_perl/5.12.1/i486-linux-thread-multi/auto/URI/.packlist /usr/lib/perl5/vendor_perl/5.12.1/i486-linux-thread-multi/auto/XML/Parser/.packlist /usr/lib/perl5/vendor_perl/5.12.1/i486-linux-thread-multi/auto/XML/Simple/.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 Suckit rootkit... Warning: /sbin/init INFECTED
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 ENYELKM rootkit default files... nothing found
Searching for common ssh-scanners default files... nothing found
Searching for suspect PHP files... nothing found
Searching for anomalies in shell history files... nothing found
Checking `asp'... not infected
Checking `bindshell'... not infected
Checking `lkm'... not tested: can't exec
Checking `rexedcs'... not found
Checking `sniffer'... not tested: can't exec ./ifpromisc
Checking `w55808'... not infected
Checking `wted'... not tested: can't exec ./chkwtmp
Checking `scalper'... not infected
Checking `slapper'... not infected
Checking `z2'... not tested: can't exec ./chklastlog
Checking `chkutmp'... not tested: can't exec ./chkutmp
Checking `OSX_RSPLUG'... not infected
root@PartedMagic:~/chkrootkit-0.49#
rkhunter (auf Startsystem)
(ausgelagert, da sonst zu viele Zeichen in diesem Beitrag sind )
http://pastebin.com/QJq2vhDR
rkhunter (live-cd)
http://pastebin.com/aYTX4AwV
Die Ergebnisse fallen dabei recht unterschiedlich aus. Warnungen treten bei beiden Versuchen auf, jedoch sind diese unterschiedlicher Natur.
Während chkrootkit beim Startsystem mir keine Infektionen meldet, kommen beim live-cd-Versuch mehrere Infektionsmeldungen. Ich vermute hier jedoch, dass die Leute von PartedMagic an den Dateien was verändert haben und chkrootkit nur die Dateien der live-cd geprüft hat.
rkhunter meldet bei beiden Versuchen unterschiedliche Fehlermeldungen, womit ich speziell jedoch nicht so genau etwas mit anfangen kann. Ich vermute, dass die verschiedenen Ergebnisse ähnlich wie bei chkrootkit durch alleinige Prüfung live-cd-Dateien entstanden ist.
Hättet ihr vielleicht noch eine Idee was ich machen könnte außer das System neu aufzusetzen?