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Linux keylogger without root or sudo! Is it real?
Is it possible for a malicious website to install a key logger on my Ubuntu desktop?
If so, how can I detect and deactivate the key logger?
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As long as you are not running as root user it should not be possible. – Keith May 26 '11 at 00:40
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even on home folder/browser? – alfi May 26 '11 at 00:48
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A key logger would have to hook into the kernel event device, or X messages. Regular users don't have permissions to do that. – Keith May 26 '11 at 01:19
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@Keith: False, see `xinput`. – cYrus Aug 09 '12 at 21:55
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@cYrus That is for X windows, and X runs as root. It's basically acting as a proxy. The actual device node is usually protected from non-root access. – Keith Aug 09 '12 at 22:25
2 Answers
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There is a claim of a Linux keylogger that doesn't need root.
See this other question Linux keylogger without root or sudo! Is it real?
Mike Rowave
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It is possible, though unlikely. It would be more likely to have a repository that is hacked to include a keylogger.
For more information, see this answer
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2One obvious way: hack the Ubuntu repositories and add a keylogger component to, say, the Xorg package. – CarlF Jun 24 '11 at 13:25
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1The incredible lack of detail and ridiculous claims in this answer is amazing. Almost as amazing as the fact that it was selected as the right one. – Breakthrough Jun 24 '11 at 15:09