full-disclosure - Re: Firefox Addon: KeyScrambler

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Message-ID: <4CFF70B2.6090507@propergander.org.uk>
Date: Wed, 08 Dec 2010 11:49:06 +0000
From: mrx <mrx@...pergander.org.uk>
To: Dan Kaminsky <dan@...para.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Firefox Addon: KeyScrambler

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On 08/12/2010 11:36, Dan Kaminsky wrote:
> Won't work against a hardware keylogger, as it gets the strokes before the driver does.

I guessed that, although on occasions I do miss the obvious.


> Won't work against any software aware of it; thread inject into Firefox to get the real keystrokes and it's game over.  Or heck, simply pretend to be a firefox process to get the decryption key, assuming it's not fixed.

I understand, So it's snake oil.

> Would work against some stock, mass distributed keyloggers, I suppose?

Protection from script kiddies only? I get the picture.

Thanks for your input Dan.

Regards
Dave

> Sent from my iPhone
> 
> On Dec 8, 2010, at 3:12 AM, mrx <mrx@...pergander.org.uk> wrote:
> 
> Hi list,
> 
> Is anyone familiar with the firefox addon KeyScrambler? According to developers this encrypts keystrokes.
> 
> Quote:
> "How KeyScrambler Works:
> When you type on your keyboard, the keys travel along a path within the operating system before it arrives at your browser. Keyloggers plant
> themselves along this path and observe and record your keystrokes. The collected information is then sent to the criminals who will use it to
> steal from you.
> 
> KeyScrambler defeats keyloggers by encrypting your keystrokes at the keyboard driver level, deep within the operating system. When the encrypted
> keystrokes reach your browser, KeyScrambler then decrypts them so you see exactly the keys you've typed. Keyloggers can only record the
> encrypted keys, which are completely indecipherable."
> 
> Can this be trusted? As in trusted I mean not bypassed.
> 
> Input from the professionals on this list would be much appreciated.
> 
> Thank you
> regards
> Dave
> 
>>
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http://www.propergander.org.uk
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