Re: [gentoo-user] Re: Did I just get hacked???

["Shawn Singh" <callmeshawn@gmail.com>]

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Grant,

Maybe going forward (if you're not doing so already), one tool I've found to
be useful in the past was AIDE. While it certainly won't prevent a break-in,
it can certainly be useful when trying to find out what changed on your
system.

Later,

Shawn

On 2/12/07, Paul Sebastian Ziegler <psz@observed.de> wrote:
>
> Hi Grant,
>
> personally (but this is by far only ONE possible setup for your task)
> I'd advise you to connect eth0 to wan through a box set up as a bridge
> (try brctl). If that box has a good wireless card and good drivers (this
> mostly means "if that box isn't running Windows") you can also put that
> wireless-card into promiscuous mode lock it to your chanel and ssid and
> feed wireshark your WEP-Key or WPA-PSK for decryption.
> If not, then you'll have to use a second box for the wireless sniffing.
>
> BTW. current rootkits won't just replace ps or some other tools. Good
> rootkits do not run in userspace; they run in kernelspace. They directly
> intercept the function-calls. Just another thing to keep in mind while
> trying to scan for them.
>
> hth
> Paul
>
> Grant schrieb:
> >> > A good rootkit will install a "ps" that won't show the 'bot
> >> > processes.  The one time a machine of mine got hacked, netstat
> >> > still worked, but I don't know why a hacked netstat couldn't be
> >> > installed as well.
> >>
> >> > Looking through /proc/≤pid> is probably still reliable.
> >>
> >>
> >> Hello Grant,
> >>
> >> I keep an old portable around, running wireshark and a flat hub.
> >> You can set your ethernet address to 0.0.0.0 and fire up wireshark.
> >>
> >> You can then sniff any (ethernet) segment of your network for
> >> nefarious traffic or male-configured network applictions.
> >
> > Ok, it sounds like the key to figuring this out is watching the
> > outgoing network traffic for weird stuff.  eth0 is on the WAN and
> > wireless ath0 is on the local subnet.  How would you monitor the
> > outgoing traffic considering my setup?
> >
> > - Grant
> > │ИМ╒▀╛z╦\x1e·з(╒╦&j)b·    bst==
>
> --
> gentoo-user@gentoo.org mailing list
>
>


-- 
"Doing linear scans over an associative array is like trying to club someone
to death with a loaded Uzi."
Larry Wall

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