I have a problem to my server running under FreeBSD 8.1 p-1 release

Erich Dollansky erich at alogreentechnologies.com
Fri Jun 22 16:00:23 UTC 2012


Hi,

I think that the best advice is that you take a fresh install media and make a 
fresh install as you are not in control of the machine anymore.

Erich

On Friday 22 June 2012 22:38:50 RetspaN Code wrote:
> Hello FreeBSD,
> 
> I have a problem to my server.
> 
> I'm running FreeBSD 8.1 p-1 release
> 
> When freebsd got a vulnerable called OpenSSL multiple vulnerabilities i get
> my server reboot and shutdown many times. when i check the log on wtmp i
> found user and use root login thru terminal, it looks like this:
> 
~^@^@^@^@^@^@^@reboot^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Ð
> 
íÉLttyv0^@^@^@root^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
> 
> and intruder load their exploit due to my server vulnerable of openssl but
> i did patch it but already late coz the intruder already load their
> exploit. and users start to reboot and shutdown my server everytime i up.
> then user also delete my /home/files. and now i get this last problem.
> specially when running application psybnc it auto crash and auto kill the
> process.
> 
> [root at CyberTech /usr/src]# fetch
> http://security.FreeBSD.org/patches/SA-12:04/sysret-81.patch fetch:
> http://security.FreeBSD.org/patches/SA-12:04/sysret-81.patch: Permission
> denied [root at CyberTech /usr/src]#
> 
> I got this error.
> 
> Heres my current process:
> 
> [root at CyberTech /usr/src]# ps x
>   PID  TT  STAT      TIME COMMAND
>     0  ??  DLs  143:51.96 [kernel]
>     1  ??  SLs    0:28.75 /sbin/init --
>     2  ??  DL     2:49.23 [g_event]
>     3  ??  DL    32:31.52 [g_up]
>     4  ??  DL    27:26.45 [g_down]
>     5  ??  DL     0:00.01 [sctp_iterator]
>     6  ??  DL     0:00.00 [xpt_thrd]
>     7  ??  DL    16:27.57 [pagedaemon]
>     8  ??  DL     0:00.00 [vmdaemon]
>     9  ??  DL     0:00.04 [pagezero]
>    10  ??  DL     0:00.00 [audit]
>    11  ??  RL   91515:47.03 [idle]
>    12  ??  WL   918:54.59 [intr]
>    13  ??  DL    11:18.45 [yarrow]
>    14  ??  DL     0:49.58 [usb]
>    15  ??  DL     0:45.70 [acpi_thermal]
>    16  ??  DL     0:13.93 [bufdaemon]
>    17  ??  DL    41:59.16 [syncer]
>    18  ??  DL     0:25.69 [vnlru]
>    19  ??  DL     0:15.91 [softdepflush]
>    20  ??  DL     1:50.31 [flowcleaner]
>   112  ??  Is     0:00.00 adjkerntz -i
>  2046  ??  Is     0:00.04 /sbin/devd
>  2233  ??  DL     0:01.48 [accounting]
>  2256  ??  Ss    13:51.56 /usr/local/sbin/syslog-ng -p /var/run/syslog.pid
>  2608  ??  Ss     2:54.56 /usr/bin/perl
> /usr/local/lib/webmin-1.580/miniserv.pl
> /usr/local/etc/webmin/miniserv.conf (perl5.10.1) 2707  ??  Ss     0:08.02
> /usr/sbin/cron -s
>  2718  ??  Is     0:00.27 /usr/local/bin/portsentry -tcp
>  2720  ??  Is     0:00.00 /usr/local/bin/portsentry -udp
> 44606  ??  Is     0:04.40 /usr/local/sbin/oidentd -C
> /usr/local/etc/oidentd.conf 79728  ??  Is     0:00.01 /usr/sbin/sshd -u0
> 85824  ??  Ss     0:00.70 sshd: root at pts/13 (sshd)
>  4756  v0  Is+    0:00.01 /usr/libexec/getty Pc ttyv0
>  4757  v1  Is+    0:00.01 /usr/libexec/getty Pc ttyv1
>  4758  v2  Is+    0:00.01 /usr/libexec/getty Pc ttyv2
>  4759  v3  Is+    0:00.01 /usr/libexec/getty Pc ttyv3
>  4760  v4  Is+    0:00.01 /usr/libexec/getty Pc ttyv4
>  4761  v5  Is+    0:00.01 /usr/libexec/getty Pc ttyv5
>  4762  v6  Is+    0:00.01 /usr/libexec/getty Pc ttyv6
>  4763  v7  Is+    0:00.01 /usr/libexec/getty Pc ttyv7
> 85841  13  Is     0:00.05 -csh (csh)
> 87998  13  S      0:00.04 bash
> 88267  13  R+     0:00.00 ps x
> [root at CyberTech /usr/src]#
> 
> Can you help me to fix and how to repair my server to avoid crash and
> getting an error "Error Creating Socket"
> 
> Please help me Sir, Thanks!
> 
> 
> Regards,
> 
> FredFoxs
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