Re: understanding chkrootkit and rkhunter logs

About /lib/init/rw/.ramfs: I also suffer from daily false-positive mails.
Seems like it's a bad behavior which should be fixed...

http://stereo.lu/chkrootkit-finds-libinitrwramfs-on-debian-etch
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=403863

 - Oren

> Hi,
> I'm sorry for asking a totally newbie question but I haven't found an
> answer to this. I'm really curious and concerned about what is reported by
> the chkrootkit and rkhunter on my Debian Etch home server.
>
> Here's what I get when I run them:
>
> CHKROOTKIT:
>
> Searching for suspicious files and dirs, it may take a while...
> /usr/lib/xulrunner/.autoreg
> /lib/init/rw/.ramfs
>
> Checking `sniffer'... lo: not promisc and no packet sniffer sockets
> eth0: PACKET SNIFFER(/sbin/dhclient[2181])
>
> In the system mail I also get this:
>
> /etc/cron.daily/chkrootkit:
> The following suspicious files and directories were found:
> /usr/lib/xulrunner/.autoreg
> /lib/init/rw/.ramfs
>
> eth0: PACKET SNIFFER(/sbin/dhclient[2136])
>
> RKHUNTER reports this:
>
> * Filesystem checks
>    Checking /dev for suspicious files...                      [ OK ]
>    Scanning for hidden files...                               [ Warning!
> ]
> ---------------
> /etc/.pwd.lock /dev/.static
> /dev/.udev
> /dev/.initramfs
> /dev/.initramfs-tools
> ---------------
> Please inspect:  /dev/.static (directory)  /dev/.udev (directory)
> /dev/.initramfs (directory)
>
> Is this something to be worried about? How can I investigate further into
> these two issues?
>
> Thanks,
> Ale.