log di tiger

salve gente! dopo essermi accorto che avevo troppi k in entrata senza che stessi facendo niente su internet ho analizzato il sistema con tiger e chkrootkit...chkrootkit non ha rilevato niente di anomalo ma il log di tiger

--WARN-- [sig004w] None of the following versions of /bin/bash (-rwxr-xr-x)
         matched the /bin/bash on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /bin/login (-rwsr-xr-x)
         matched the /bin/login on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /bin/ls (-rwxr-xr-x)
         matched the /bin/ls on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /bin/mount (-rwsr-xr-x)
         matched the /bin/mount on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /bin/netstat (-rwxr-xr-x)
         matched the /bin/netstat on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /bin/ping (-rwsr-xr-x)
         matched the /bin/ping on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /bin/ps (-rwxr-xr-x)
         matched the /bin/ps on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /bin/su (-rwsr-xr-x)
         matched the /bin/su on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /bin/umount (-rwsr-xr-x)
         matched the /bin/umount on this machine.
         >>>>>> Linux 2.4.17
--WARN-- [sig004w] None of the following versions of /sbin/cardctl
         (-rwsr-xr-x) matched the /sbin/cardctl on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /sbin/portmap
         (-rwxr-xr-x) matched the /sbin/portmap on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /usr/bin/chage
         (-rwxr-sr-x) matched the /usr/bin/chage on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /usr/bin/chfn
         (-rwsr-xr-x) matched the /usr/bin/chfn on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /usr/bin/chsh
         (-rwsr-xr-x) matched the /usr/bin/chsh on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /usr/bin/crontab
         (-rwxr-sr-x) matched the /usr/bin/crontab on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /usr/bin/gpasswd
         (-rwsr-xr-x) matched the /usr/bin/gpasswd on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /usr/bin/lockfile
         (-rwxr-sr-x) matched the /usr/bin/lockfile on this machine.
         >>>>>> Linux 2.4.17

--WARN-- [sig004w] None of the following versions of /usr/bin/lpq (-rwxr-xr-x)
         matched the /usr/bin/lpq on this machine.
         >>>>>> Linux 2.4.17

mi da questi avvertimenti....devo stare tranqui?

edit
kanotix 2.6.9