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Old 03-12-2002, 10:16 PM   #1
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Server Unexpectedly died (was i hacked?)

Hello, my webserver died the other nite and now it wont reboot. I used the redhat 7.2 rescue option to mount sysimage. I was able to get a prompt and reviewed the logs and heres what i encountered.

Mar 11 17:46:07 webe kernel: hostname uses obsolete (pf_inet,sock_packet)
Mar 11 17:46:07 webe kernel: device entered promiscuous mode
Mar 11 17:46:07 modprobe: Cant locate module ppp0
Mar 11 17:50:30 webe kdm[28148]: Server unexpectedly died
Mar 11 17:55:22 webe ftpd[28272]: FTP session closed
Mar 11 17:55:22 webe telnetd[28273]: ttloop: peer died: EOF
Mar 11 17:55:23 webe xinetd[28276]: warning cant get client adddress: transport endpoint is not connected

Mar 11 22:11:00 webe modprobe: modprobe: cant locate module binfmt-464c
Mar 11 22:11:01 webe last message repeated 5 times
Mar 11 22:11:01 webe syslogd 1.4.1:restart
Mar 11 22:11:01 webe modprobe: modprobe: cant locate module binfmt-464c
Mar 11 22:28:06 webe last message repeated 20 times

repeats until this:

mar 12 02:43:18 webe kernel: VFS: file-max limit 8192 reached
mar 12 04:02:00 webe syslogd 1.4.1:restart

Well im assuming this is pertinent info into why my machine wont reboot. Was i hacked or something, or did something just go wrong. Im a newb and im amazed i got this far in trouble shooting what went wrong. Anyhelp would be greatly appreciated cause i have no idea what to do now. Ty

Old 03-12-2002, 11:31 PM   #2
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errors on bootup

Here are the errors i get when i bootup in failsafe:

init: entering runlevel:5
updating /etc/fstab execvp No such file or directory [FAILED]

checking for new hadware/etc/rc5.d/so5kudzu: /usr/sbin/kudzu: no such file or directory [FAILED]

couch: creating `var/lock/subsys/kudzu` : no such file or directory

Setting network parameters [OK]

bringing up interface lo_

and it just hangs from here???

any ideas? ty for any replies

Old 03-13-2002, 01:33 AM   #3
Registered: May 2001
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pf_inet,sock_packet: IMO your libpcap is old. upgrade.
promiscuous mode: either your network device has been brought up with the promiscuous flag, meaning it would listen to all traffic passing by, or an app has been started that usually is a sniffer of some kind (to grab passwords etc)
module ppp0: if you havent got it enter "alias ppp0 off" in /etc/conf.modules
kdm: dunno
ftpd: this doesn't show anything. get the ftpd's log.
telnetd: you should be punished for running a telnet daemon on a networked box. oops. you already have been...
ttloop: peer died: this could hold a clue. maybe a line close by holds an IP address?
transport endpoint: might be older xinetd package IPv6 bug, if yes, upgrade, if no, I dunno.
module binfmt-464c: this is your basic ELF format binary module. could be corrupt binary requesting modprobe to load module (which is usually built into kernel)
/etc/fstab: if fstab is not there its corrupted, and that's bad.
/usr/sbin/kudzu: if this is installed and not there thats weird.
var/lock/subsys/kudzu: same here.

keep the box off the net.
If you use snort/scandetd/portsentry/else, parse its logs upto the crash for clues.
If you use Aide or Tripwire, use it to check file integrity. If you don't use em try issuing "rpm -Va 2>&1 > rpm-installed.log" which would check all rpm's for changed/missing parts against it's own database. Check the results against the attributes mentioned here. If you suspect your rpm database is fu'ed, and you didn't install a file integrity checker like Aide, Tripwire or alike, try downloading chkrootkit (from to be able to check for known signs of rootkits.

If this doesn't work/show up anomalies and fsck'ing the partitions doesn't either, reinstall the packages and focus on securing your box before brining it online again.

HTH somehow.


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