darkmoon.2xt.de
13.07.05, 08:13
Hallo,
mir ist heute erst aufgefallen, dass auf meinem vServer die komplette /var/log/messages nur aus solchen Zeilen besteht (also quasi die syslog-Konfig umgeschrieben wurde):
Jul 12 23:46:46 mwiedner -- MARK --
Jul 13 00:06:46 mwiedner -- MARK --
Jul 13 00:26:46 mwiedner -- MARK --
Jul 13 00:46:46 mwiedner -- MARK --
Jul 13 01:06:46 mwiedner -- MARK --
Jul 13 01:26:46 mwiedner -- MARK --
Jul 13 01:46:46 mwiedner -- MARK --
Jul 13 02:06:46 mwiedner -- MARK --
Jul 13 02:26:46 mwiedner -- MARK --
Jul 13 02:46:46 mwiedner -- MARK --
Jul 13 03:06:46 mwiedner -- MARK --
Jul 13 03:26:46 mwiedner -- MARK --
Jul 13 03:46:46 mwiedner -- MARK --
Jul 13 04:06:46 mwiedner -- MARK --
Jul 13 04:26:46 mwiedner -- MARK --
Jul 13 04:46:46 mwiedner -- MARK --
Jul 13 05:06:46 mwiedner -- MARK --
Jul 13 05:26:16 mwiedner syslogd 1.4.1#10: restart.
Jul 13 05:46:46 mwiedner -- MARK --
Jul 13 06:06:46 mwiedner -- MARK --
Jul 13 06:26:46 mwiedner -- MARK --
Jul 13 06:46:46 mwiedner -- MARK --
Jul 13 07:06:46 mwiedner -- MARK --
Jul 13 07:26:46 mwiedner -- MARK --
Jul 13 07:46:46 mwiedner -- MARK --
Jul 13 08:06:46 mwiedner -- MARK --
Jul 13 08:26:46 mwiedner -- MARK --
Jul 13 08:46:46 mwiedner -- MARK --
chkrootkit meldet:
mwiedner:/# 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 `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 found
Checking `grep'... not infected
Checking `hdparm'... not found
Checking `su'... not infected
Checking `ifconfig'... not infected
Checking `inetd'... not infected
Checking `inetdconf'... not infected
Checking `identd'... not found
Checking `killall'... not infected
Checking `ldsopreload'... not infected
Checking `login'... not infected
Checking `ls'... not infected
Checking `lsof'... not found
Checking `mail'... not infected
Checking `mingetty'... not found
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 infected
Checking `tar'... not infected
Checking `tcpd'... not infected
Checking `top'... not infected
Checking `telnetd'... not found
Checking `timed'... not found
Checking `traceroute'... 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... nothing found
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... /usr/bin/find: ./proc/1/fd: Permission denied
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 anomalies in shell history files... nothing found
Checking `asp'... not infected
Checking `bindshell'... not infected
Checking `lkm'... nothing detected
Checking `rexedcs'... not found
Checking `sniffer'... eth0:mwiedner is not promisc
Checking `wted'... unable to open wtmp-file wtmp
Checking `z2'... unable to open wtmp-file wtmp
---
/usr/bin/find: ./proc/1/fd: Permission denied
---
-- UPDATE --
Nach einem Systemupdate inkl. chkrootkit meldet chkrootkit (neueste Version):
Checking `asp'... not infected
Checking `bindshell'... not infected
Checking `lkm'... SIGINVISIBLE Adore found
Warning: Possible LKM Trojan installed (!!!)
Checking `rexedcs'... not found
Checking `sniffer'... /proc/1/fd: Permission denied
eth0:mwiedner: not promisc and no packet sniffer sockets
Checking `w55808'... not infected
Checking `wted'... nothing deleted
Checking `scalper'... not infected
Checking `slapper'... not infected
Checking `z2'... nothing deleted
Das hier macht mich schon sehr skeptisch, da ich chkrootkit als 'root' ausgeführt habe...
mir ist heute erst aufgefallen, dass auf meinem vServer die komplette /var/log/messages nur aus solchen Zeilen besteht (also quasi die syslog-Konfig umgeschrieben wurde):
Jul 12 23:46:46 mwiedner -- MARK --
Jul 13 00:06:46 mwiedner -- MARK --
Jul 13 00:26:46 mwiedner -- MARK --
Jul 13 00:46:46 mwiedner -- MARK --
Jul 13 01:06:46 mwiedner -- MARK --
Jul 13 01:26:46 mwiedner -- MARK --
Jul 13 01:46:46 mwiedner -- MARK --
Jul 13 02:06:46 mwiedner -- MARK --
Jul 13 02:26:46 mwiedner -- MARK --
Jul 13 02:46:46 mwiedner -- MARK --
Jul 13 03:06:46 mwiedner -- MARK --
Jul 13 03:26:46 mwiedner -- MARK --
Jul 13 03:46:46 mwiedner -- MARK --
Jul 13 04:06:46 mwiedner -- MARK --
Jul 13 04:26:46 mwiedner -- MARK --
Jul 13 04:46:46 mwiedner -- MARK --
Jul 13 05:06:46 mwiedner -- MARK --
Jul 13 05:26:16 mwiedner syslogd 1.4.1#10: restart.
Jul 13 05:46:46 mwiedner -- MARK --
Jul 13 06:06:46 mwiedner -- MARK --
Jul 13 06:26:46 mwiedner -- MARK --
Jul 13 06:46:46 mwiedner -- MARK --
Jul 13 07:06:46 mwiedner -- MARK --
Jul 13 07:26:46 mwiedner -- MARK --
Jul 13 07:46:46 mwiedner -- MARK --
Jul 13 08:06:46 mwiedner -- MARK --
Jul 13 08:26:46 mwiedner -- MARK --
Jul 13 08:46:46 mwiedner -- MARK --
chkrootkit meldet:
mwiedner:/# 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 `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 found
Checking `grep'... not infected
Checking `hdparm'... not found
Checking `su'... not infected
Checking `ifconfig'... not infected
Checking `inetd'... not infected
Checking `inetdconf'... not infected
Checking `identd'... not found
Checking `killall'... not infected
Checking `ldsopreload'... not infected
Checking `login'... not infected
Checking `ls'... not infected
Checking `lsof'... not found
Checking `mail'... not infected
Checking `mingetty'... not found
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 infected
Checking `tar'... not infected
Checking `tcpd'... not infected
Checking `top'... not infected
Checking `telnetd'... not found
Checking `timed'... not found
Checking `traceroute'... 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... nothing found
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... /usr/bin/find: ./proc/1/fd: Permission denied
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 anomalies in shell history files... nothing found
Checking `asp'... not infected
Checking `bindshell'... not infected
Checking `lkm'... nothing detected
Checking `rexedcs'... not found
Checking `sniffer'... eth0:mwiedner is not promisc
Checking `wted'... unable to open wtmp-file wtmp
Checking `z2'... unable to open wtmp-file wtmp
---
/usr/bin/find: ./proc/1/fd: Permission denied
---
-- UPDATE --
Nach einem Systemupdate inkl. chkrootkit meldet chkrootkit (neueste Version):
Checking `asp'... not infected
Checking `bindshell'... not infected
Checking `lkm'... SIGINVISIBLE Adore found
Warning: Possible LKM Trojan installed (!!!)
Checking `rexedcs'... not found
Checking `sniffer'... /proc/1/fd: Permission denied
eth0:mwiedner: not promisc and no packet sniffer sockets
Checking `w55808'... not infected
Checking `wted'... nothing deleted
Checking `scalper'... not infected
Checking `slapper'... not infected
Checking `z2'... nothing deleted
Das hier macht mich schon sehr skeptisch, da ich chkrootkit als 'root' ausgeführt habe...