full-disclosure - Imaging Operating Systems

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Message-ID: <BBE5C77A347CE04CAC225D74BDE46BB92BD662@edxmb13.jdnet.deere.com>
From: WilliamsJonathan at JohnDeere.com (Williams Jon)
Subject: Imaging Operating Systems

While not specifically designed for backups, you could use the Helix cd
(http://www.e-fense.com/helix/), which has netcat and dd, which make a
great combination for grabbing the contents of a file (or partition, or
drive) and dumping them across the network to another computer.  Since
Helix is Knoppix-based, this might do what I think you're looking for.

Jon 

-----Original Message-----
From: full-disclosure-admin@...ts.netsys.com
[mailto:full-disclosure-admin@...ts.netsys.com] On Behalf Of Maarten
Sent: Thursday, May 27, 2004 11:59 AM
To: Full-Disclosure
Subject: Re: [Full-Disclosure] Imaging Operating Systems

On Thursday 27 May 2004 18:30, Kevin Connolly wrote:
> Maarten wrote:
> > This is an interesting thread...  But out of curiosity, is it also 
> > possible to do backup / restores using readily available linux
tools?
> > I'd like to be able to do something like running dd over a network 
> > connection, or tar, or whatever other tool.  In that case, a 
> > bootable CD is all you need. But I'm unsure how to do that...
> >
> > Maarten
>
> one suggestion
> make the PC dual boot: Windows and Linux with the Linux partition 
> larger.

Yes, I know.  I did that at the time when I still needed dual-boot.

No, what I want is more generic (and it is slightly offtopic since it is
not specifically meant to tryout malware).
Suppose I visit a friend who has a botched system, and I carry with me
my linux laptop and a knoppix CD.  Now if there would be a way to backup
his entire HDD with just the tools on the CD (and the laptop as
receiving host) that would be fantastic. 

I was thinking of something like using {tar | dd | cpio} and netcat but
I'm unsure if it can be done, much less how to proceed.

> boot Linux and dd the raw Windows partition to a Linux file boot 
> Windows and play with malware boot Linux and dd the file back out to 
> the Windows partition rince and repeat...

This works just fine for one or two drawbacks: You need to plan this in
advance, and malicious code that randomly overwrites disks will kill
linux + imagefile then, too.

Maarten

--
Yes of course I'm sure it's the red cable. I guarante[^%!/+)F#0c|'NO
CARRIER

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