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E.g. if I copy something from the email from my hosting company (name, password etc.) and paste it to the ftp client or some online form in the browser, do the keylogger get this name or password?

And is it different for:

ctrl+c and ctrl+v

and

right click -> copy, right click-> paste

and combination of these two methods or it's the same for keylogger?

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marked as duplicate by Terry Chia, NULLZ, Adnan, AJ Henderson, Gilles Jun 3 '13 at 13:37

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2 Answers

up vote 2 down vote accepted

From the MSDN page.

The clipboard is a set of functions and messages that enable applications to transfer data. Because all applications have access to the clipboard, data can be easily transferred between applications or within an application.

Any applications can read data from the clipboard. A keylogger might not be logging such data, but it's definitely possible.

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Often key loggers are not just looking at what is typed on the keyboard but also looking for submitted data from forms. On Windows at least, if a program has admin access to see the keystrokes going to other applications, it can also inspect the form contents of other programs.

Copy and paste may defeat the most basic key loggers, but it won't do anything against reasonably well built ones.

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