full-disclosure - Re: Stealthier Internet access

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Date: Mon, 31 May 2010 10:56:05 -0400
From: T Biehn <tbiehn@...il.com>
To: Valdis.Kletnieks@...edu
Cc: full-disclosure <full-disclosure@...ts.grok.org.uk>
Subject: Re: Stealthier Internet access

Bipin;
Firstly: You know what you did.
Secondly: Screw you for not crediting the master.

(I am the master, you are the dog.)

Greetz & Love, Harmonious Profitability!

-Travis

On Wed, May 26, 2010 at 1:03 AM, <Valdis.Kletnieks@...edu> wrote:

> On Wed, 26 May 2010 10:15:32 +0545, Bipin Gautam said:
> > > it's a *bad* sector, so reading and recovering the data is a bitch...
> >
> > No, storing in Negative Disk, bad sector, stenography, slack space are
> > all bad places to store data!
>
> No, I meant it's usually not worth worrying that if the disk has done a
> hardware assignment of a replacement sector for a *real* live actual
> the-hardware-barfs-on-it bad sector, you can usually not worry about the
> contents of that bad sector, as the drive hardware won't let you access it
> directly anymore, redirecting you to the new replacement block.  So
> basically,
> somebody needs to take the disk apart and start doing the clean-room data
> recovery routine off the disk, trying to read 512 bytes of data at a time
> off
> known-physically-bad areas of the disk.
>
> And if your threat model includes adversaries that will do that, then
> you *really* need to be using full-disk encryption and thermite in your
> counter-defenses.  Oh, and a good countermeasure for rubber-hose crypto. ;)
>
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