RE: [Rkhunter-users] problem in hash for binary files in linux osHi,

Well if you get [BAD] lines in your rkhunter output and you did not do 
(manually) an update on software packages you use (which would give other 
hashes) or your automated updater like yum for example did not update 
anything.In that case you should be suspicious about failed hash checks. 
  ----- Original Message ----- 
  From: Andrew Kirch 
  To: RSCALOVER ; [email protected] 
  Sent: Wednesday, May 30, 2007 6:44 PM
  Subject: RE: [Rkhunter-users] problem in hash for binary files in linux os


  -----BEGIN PGP SIGNED MESSAGE-----
  Hash: SHA1

  What is the effect, if any of hashupd.sh being run on a compromised system?  
Wouldn't it identify otherwise-malicious files as being benign?



  Andrew D Kirch - AllThingsIT
  Office: 317-755-0200
  GPG: 735D020C

  ________________________________

  From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of RSCALOVER
  Sent: Wednesday, May 30, 2007 10:36 AM
  To: [email protected]
  Subject: Re: [Rkhunter-users] problem in hash for binary files in linux os



  hi,



  For the bad hashes run hashupd.sh availible here => 
http://sourceforge.net/project/showfiles.php?group_id=155034



  cd /usr/local/src

  wget http://ovh.dl.sourceforge.net/sourceforge/rkhunter/hashupd.sh

  chmod 755 hashupd.sh

  ./hashupd.sh

  cd /usr/local/bin

  ./rkhunter --createlogfile -c



  stil bad hashes ?



  regards,



  :-)

          ----- Original Message -----

          From: thirupathy k <mailto:[EMAIL PROTECTED]> 

          To: [email protected]

          Sent: Wednesday, May 30, 2007 4:18 PM

          Subject: [Rkhunter-users] problem in hash for binary files in linux os

          

          hi,
         
          Dear all , am finding problem in rkhunter which was installed in my 
server with fedora core and the rkhunter which was used in the linux server is 
the latest version (1.2.9) . while the daily scripts are  running from the 
server states that a lot os bad checks while doing rkhunter checking. please 
see the error message given below and help me to solve this issue.
         
          more over i have updated the rkhunter databases with the following 
command
         
          rkhunter --update
         
          Error message
         
         
          * System tools
          Info: prelinked files found
            Performing 'known good' check...
             /bin/cat                                                   [ BAD ]
             /bin/chmod                                                 [ BAD ]
             /bin/chown                                                 [ BAD ]
             /bin/date                                                  [ BAD ]
             /bin/dmesg                                                 [ BAD ]
             /bin/env                                                   [ BAD ]
             /bin/grep                                                  [ OK ]
             /bin/kill                                                  [ BAD ]
             /bin/login                                                 [ BAD ]
             /bin/ls                                                    [ BAD ]
             /bin/more                                                  [ BAD ]
             /bin/mount                                                 [ BAD ]
             /bin/netstat                                               [ OK ]
             /bin/ps                                                    [ BAD ]
             /bin/su                                                    [ BAD ]
             /sbin/chkconfig                                            [ OK ]
             /sbin/depmod                                               [ BAD ]
             /sbin/ifconfig                                             [ OK ]
             /sbin/init                                                 [ OK ]
             /sbin/insmod                                               [ BAD ]
             /sbin/ip                                                   [ BAD ]
             /sbin/lsmod                                                [ BAD ]
             /sbin/modinfo                                              [ BAD ]
             /sbin/modprobe                                             [ BAD ]
             /sbin/rmmod                                                [ BAD ]
             /sbin/runlevel                                             [ OK ]
             /sbin/sysctl                                               [ BAD ]
             /sbin/syslogd                                              [ OK ]
             /sbin/sulogin                                              [ OK ]
             /usr/bin/chattr                                            [ OK ]
             /usr/bin/du                                                [ BAD ]
             /usr/bin/file                                              [ BAD ]
             /usr/bin/find                                              [ OK ]
             /usr/bin/head                                              [ BAD ]
             /usr/bin/killall                                           [ BAD ]
             /usr/bin/lsattr                                            [ OK ]
             /usr/bin/md5sum                                            [ BAD ]
             /usr/bin/passwd                                            [ OK ]
             /usr/bin/pstree                                            [ BAD ]
             /usr/bin/sha1sum                                           [ BAD ]
             /usr/bin/stat                                              [ BAD ]
             /usr/bin/strings                                           [ BAD ]
             /usr/bin/top                                               [ BAD ]
             /usr/bin/users                                             [ BAD ]
             /usr/bin/vmstat                                            [ BAD ]
             /usr/bin/w                                                 [ BAD ]
             /usr/bin/watch                                             [ BAD ]
             /usr/bin/wc                                                [ BAD ]
             /usr/bin/wget                                              [ OK ]
             /usr/bin/whereis                                           [ BAD ]
             /usr/bin/who                                               [ BAD ]
             /usr/bin/whoami                                            [ BAD ]
          
--------------------------------------------------------------------------------
          Rootkit Hunter has found some bad or unknown hashes. This can happen 
due to replaced
          binaries or updated packages (which give other hashes). Be sure your 
hashes are
          up-to-date (rkhunter --update). If you're in doubt about these 
hashes, contact
          us through the Rootkit Hunter mailinglist at 
[email protected] 
<mailto:[email protected]> .
          
--------------------------------------------------------------------------------
         
         
          After running the command also gives the same result. Please help me 
to solve this issue. Waiting for ur reply
         
         
         
          --
          Regards
                    K.Thirupathy

          ________________________________

                  
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