full-disclosure - Defeating Citi-Bank Virtual Keyboard Protection

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Date: Fri Aug  5 23:27:20 2005
From: lyal.collins at key2it.com.au (root)
Subject: Defeating Citi-Bank Virtual Keyboard Protection

Peter Ferrie wrote:

>
>
>  
>
>>>Recently I discovered a method to defeat the much hyped Citi-Bank
>>>Virtual Keyboard Protection which the bank claimed that it defends the
>>>customers against malicious programs like keyloggers, Trojans and
>>>spywares etc.
>>>      
>>>
>>Wouldn't that be trivial to snoop on simply by making a trojan / spyware
>>application that records a section of screen in the immediate proximity of
>>mouse cursor on every mouse click? It's not that resource consuming, and
>>easy to arrange.
>>    
>>
>
>Something similar was done by variants of the W32/Dumaru family last year.
>That was an attack against the e-Gold keypad.
>You can read about it here: http://pferrie.tripod.com/vb/dumaru.pdf
>
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>  
>
This has already done in 1997 in 'proof of concept' form to do the 
screen capture process, when 2 Australian banks launched on-screen keypads.
I understand the demo took an image of around 10 pixel +- th mouse click 
position.

Nothing terribly new, concept-wise.

Lyal