From: James Tucker <jftucker@...>
Date: 2007-12-30T08:49:31+09:00
Subject: Re: Can Ruby be a keylogger on Win/Mac?

For windows:

http://msdn2.microsoft.com/en-us/library/ms997537.aspx

I don't know about OS X, from what I understand, it's hotkeys only,  
but keep looking...


On 29 Dec 2007, at 20:25, Jay Levitt wrote:

> I know the subject's vague; that's because I don't know what I'm  
> talking
> about.
>
> Is it possible to write an Ruby program that will intercept  
> keystrokes on
> Windows XP?  I'm on Windows at the moment, but I'm switching to Mac  
> soon.
> (Then again, I'm not sure if a Mac keylogger would be low-level  
> enough to
> get keystrokes destined for a Parallels virtual machine running  
> Windows, so
> both may be important.)
>
> No, I'm not doing anything nefarious.  In fact, here are the specs  
> for what
> I want to write, and I'd probably give a small bounty to someone who  
> did
> this SMOP:
>
> - Measure the average percentage of keystrokes that are either delete,
> backspace, or cursor keys
> - If that percentage is significantly higher than normal (for some  
> value of
> "significantly"), pop up a modal alert
> - Don't be a CPU hog; maybe even self-disable when the computer is  
> idle
>
> And if you know me, or dig a little, you'll know exactly why I want  
> that.
> :)
>
> If it can hide from the process list or otherwise make itself  
> difficult to
> close, all the better, but that's not strictly necessary.  It's fine  
> if it
> needs Administrator/root permissions to run.
>
> -- 
> Jay Levitt                |
> Boston, MA                | My character doesn't like it when they
> Faster: jay at jay dot fm | cry or shout or hit.
> http://www.jay.fm         | - Kristoffer
>