On Friday 12 September 2003 10:07, Mark M. Barrios wrote:
> how is this a rootkit again?

well,

> > I hope you can help me on this. This rootkit runs until such time it
> > decides to write random garbage to my data and takes down the hard drive
> > with a "missing operating system" message at bootup.

on the other hand, michael:

> > Here are others:
> > Sep 11 11:39:30 desktop depmod: *** Unresolved symbols in
> > /lib/modules/2.4.19-16mdk/kernel/arch/i386/mki-adapter/mki-adapter.o

that's just the win4lin module.  i've never had a problem with that so it's 
not likely that win4lin is the problem, unless you downloaded a trojaned 
win4lin RPM from somewhere.

when you do a depmod -ae, what symbols does it say are missing?
just curious.  if it worked before and now it stops working, then, yeah,
it does look like something modified your system enough that this
module stops working.  

if you reinstall the win4lin kernel RPM (after first backing up the
current vmlinuz that win4lin uses and the modules), and then
compare them, do they differ?  what files differ and how?  if the
rootkit did that, then the places where they differ and the differences
might give you clues.

next time you reinstall clean, use tripwire and write the signatures
to a CD-R.  that way, you have something to compare to when something
changes.  or you could compare the current system with a backup, if
you've got one.

tiger

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