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fulldisclosure logo Full Disclosure mailing list archives

RE: Re: Most common keystroke loggers?
From: "Todd Towles" <toddtowles () brookshires com>
Date: Thu, 1 Dec 2005 14:32:03 -0600

If the user is passed to a phishing site that ask for the OTP, the user
enters it, the phishing site can return a error and instruct the user to
use the next OTP password, hence giving the attacker any number of
OTP....the OTP ones that are list based anyways.

-----Original Message-----
From: full-disclosure-bounces () lists grok org uk 
[mailto:full-disclosure-bounces () lists grok org uk] On Behalf 
Of Thierry Zoller
Sent: Thursday, December 01, 2005 2:21 PM
To: Dave Korn
Cc: full-disclosure () lists grok org uk
Subject: Re: [Full-disclosure] Re: Most common keystroke loggers?

Dear Dave Korn,

DK>   How about one-time passwords?  Just go ahead and *let* 
them keylog 
DK> it all they like; by the time they've snarfed a pw, it's 
no use any 
DK> more.  (See S/Key for more details.)
ITAN I hear you scream. Oh yes.. keylogger fakes that the OTP 
is not accepted, user enters a new one. Thief has a working OTP.

--
http://secdev.zoller.lu
Thierry Zoller
Fingerprint : 5D84 BFDC CD36 A951 2C45  2E57 28B3 75DD 0AC6 F1C7

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Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/


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