Bug#656437: rkhunter: lots of warnings while performing file properties checks, checking for prerequisites

hestia hestia at riseup.net
Thu Jan 19 11:26:30 UTC 2012


Package: rkhunter
Version: 1.3.8-10
Severity: important

I get a lot of warnings while rkhunter performs file properties checks, checking for prerequisites. Specifically, i get warning for /usr/bin/find,
/usr/bin/last, /usr/bin/ldd, /usr/bin/size, /usr/bin/strings, /usr/bin/unhide.rb, /sbin/init, /sbin/runlevel, /sbin/sulogin.

/var/log/rkhunter.log reports that : 

/usr/bin/find                                   [ Warning ]
[13:09:17] Warning: The file properties have changed:
[13:09:17]          File: /usr/bin/find
[13:09:17]          Current hash: 419b277baef50758f915e88a7b60dd9057dc38d4
[13:09:17]          Stored hash : 7fac9495c1b15611bcbb8b905c4406ba22f860f4
[13:09:17]          Current inode: 8132278    Stored inode: 8128061
[13:09:17]          Current size: 233968    Stored size: 226256
[13:09:18]          Current file modification time: 1325844833 (06-Jan-2012 12:13:53)
[13:09:18]          Stored file modification time : 1288115624 (26-Oct-2010 20:53:44)

 /usr/bin/last                                   [ Warning ]
[13:09:18] Warning: The file properties have changed:
[13:09:18]          File: /usr/bin/last
[13:09:18]          Current hash: 5dc94de935705ef983a4569c9f369b479bd09d2b
[13:09:18]          Stored hash : 8bbd9656eb60477b680cc1bcd250db701b568d92
[13:09:18]          Current inode: 8130182    Stored inode: 8130056
[13:09:18]          Current size: 18768    Stored size: 16552
[13:09:18]          Current file modification time: 1324595012 (23-Dec-2011 01:03:32)
[13:09:18]          Stored file modification time : 1320279377 (03-Nov-2011 02:16:17)

/usr/bin/ldd                                    [ Warning ]
[13:09:18] Warning: The file properties have changed:
[13:09:18]          File: /usr/bin/ldd
[13:09:18]          Current hash: 26a19ad136c61c1af072bc579421d6573ddd252f
[13:09:18]          Stored hash : b807c97d787a9a448ad9526f64e595240fe9d837
[13:09:18]          Current inode: 8141812    Stored inode: 8127514
[13:09:18]          Current file modification time: 1324751037 (24-Dec-2011 20:23:57)
[13:09:18]          Stored file modification time : 1315954995 (14-Sep-2011 02:03:15)

 /usr/bin/size                                   [ Warning ]
[13:09:20] Warning: The file properties have changed:
[13:09:20]          File: /usr/bin/size
[13:09:20]          Current hash: 16a949655addff660ac5500dba2762e21150310a
[13:09:20]          Stored hash : d124a90720f0c430a6e0e56ae54f848073bf3213
[13:09:20]          Current inode: 8128242    Stored inode: 8139936
[13:09:20]          Current file modification time: 1323621960 (11-Dec-2011 18:46:00)
[13:09:20]          Stored file modification time : 1321892680 (21-Nov-2011 18:24:40)

 /usr/bin/strings                                [ Warning ]
[13:09:20] Warning: The file properties have changed:
[13:09:20]          File: /usr/bin/strings
[13:09:20]          Current hash: 76734e0c241756ff18f06129ccb5e0f5e34cafe8
[13:09:20]          Stored hash : 3cb7bd2e48233f5a4e234d6b565d7e8f508dc134
[13:09:20]          Current inode: 8143620    Stored inode: 8139945
[13:09:20]          Current file modification time: 1323621960 (11-Dec-2011 18:46:00)
[13:09:20]          Stored file modification time : 1321892680 (21-Nov-2011 18:24:40)

/usr/bin/unhide.rb                              [ Warning ]
[13:09:22] Warning: The command '/usr/bin/unhide.rb' has been replaced by a script: /usr/bin/unhide.rb: Ruby script, ASCII text

 /sbin/init                                      [ Warning ]
[13:09:23] Warning: The file properties have changed:
[13:09:23]          File: /sbin/init
[13:09:23]          Current hash: 66ff80de227e1ad7098ced98ea9fe09745dd2a7a
[13:09:23]          Stored hash : 30e9e50895ea033627941d18973f07576ffa554f
[13:09:23]          Current inode: 11272372    Stored inode: 11272232
[13:09:23]          Current size: 40552    Stored size: 37000
[13:09:23]          Current file modification time: 1324595012 (23-Dec-2011 01:03:32)
[13:09:23]          Stored file modification time : 1320279377 (03-Nov-2011 02:16:17)

/sbin/runlevel                                  [ Warning ]
[13:09:24] Warning: The file properties have changed:
[13:09:24]          File: /sbin/runlevel
[13:09:24]          Current hash: 1ace84d506a059cc652d64f42cbcd40a24448edd
[13:09:24]          Stored hash : 43deb592c32f24d62b833200dc211817dcd0b382
[13:09:24]          Current inode: 11272371    Stored inode: 11272234
[13:09:24]          Current size: 6200    Stored size: 4928
[13:09:24]          Current file modification time: 1324595012 (23-Dec-2011 01:03:32)
[13:09:24]          Stored file modification time : 1320279377 (03-Nov-2011 02:16:17)
[13:09:24]   /sbin/sulogin                                   [ Warning ]
[13:09:24] Warning: The file properties have changed:
[13:09:24]          File: /sbin/sulogin
[13:09:24]          Current hash: be64dd909ef1dd3a014a7c4bd414e1e88ed36776
[13:09:24]          Stored hash : 11e4ff99871f61ae7aa9901b831624f916335271
[13:09:24]          Current inode: 11272232    Stored inode: 11272211
[13:09:24]          Current size: 14792    Stored size: 15304
[13:09:24]          Current file modification time: 1324595012 (23-Dec-2011 01:03:32)
[13:09:24]          Stored file modification time : 1320279377 (03-Nov-2011 02:16:17)


-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 3.1.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages rkhunter depends on:
ii  binutils               2.22-2
ii  debconf [debconf-2.0]  1.5.41
ii  file                   5.09-2
ii  net-tools              1.60-24.1
ii  perl                   5.14.2-6
ii  ucf                    3.0025+nmu2

Versions of packages rkhunter recommends:
ii  exim4-daemon-light [mail-transport-agent]  4.77-1+b1
ii  iproute                                    20111117-1
ii  lsof                                       4.81.dfsg.1-1
ii  unhide.rb                                  13-1
ii  wget                                       1.13.4-1

Versions of packages rkhunter suggests:
pn  bsd-mailx [mailx]         8.1.2-0.20111106cvs-1
pn  libdigest-whirlpool-perl  <none>
pn  liburi-perl               1.59-1
pn  libwww-perl               6.03-1
pn  powermgmt-base            1.31
pn  tripwire                  <none>

-- debconf information:
  rkhunter/apt_autogen: false
  rkhunter/cron_daily_run:
  rkhunter/cron_db_update:





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