On 06/30/2011 06:55 AM, Lisa Kachold wrote:
> Hi Mike!
>
> On Wed, Jun 29, 2011 at 5:09 PM, mike enriquez <mylinux@cox.net
> <mailto:mylinux@cox.net>> wrote:
>
> Does anyone on the List know if Key Loggers are a problem in Linux?
> I don't know a thing about them. My windows computers get the
> things all the time.
> Do I need to worry about them in Linux.
> Thanks for any comments.
>
> Unlike Windows, where the attack vector is mainly virus from file
> transfers, in Linux (and Mac) the attack vector is going to be browser
> based.
>
> So if you don't limit javascript trust, you can fall victim to any
> manner of installations, ssh, or infestations from browser based
> attacks like BEef
> <http://linux.softpedia.com/get/Internet/HTTP-WWW-/BeEF-29854.shtml>.
> This tool will provide a triangulated Host --> Website --> YourBrowser
> attack similar to XSS scripting browser attacks, that opens your
> entire linux (or Mac) system to full control via the Browser
> (Opera/FireFox/etc). A keylogger like the one referenced by Sam would
> trivially be installed without your immediate knowledge.
>
> Of course if you do not properly firewall your home network, have a
> "cable modem" that is subject to hacked firmware, or take your laptop
> to public venues without a proper analysis of open ports or iptables,
> you can always pick up a "hitcher", who could install a key logger or
> other hack.
>
> Various hardware hacks also exist, similar to tiny USB devices that
> can be setup on your keyboard or monitor between connections, which
> are commonly used by IT managers in NOCs and Operations Centers (where
> oblivious Operations and Systems staff continue to surf Facebook
> rather than actually work).
>
> Regularly reading the logs, setting up reporting devices that inform
> of new files or packages and of course watching packet traffic by port
> on a regular basis will assist you to identify keyloggers, as well as
> BEef and XSS browser hacks, since you will clearly see a great deal of
> nepharious traffic.
>
> Of course if you allow 3rd Party Cookies and don't control Javascript,
> you are just laying on a large number of "adware" and other
> installations that create traffic. Be sure you use NoScript or
> another Javascript trust control plugin at the browser level.
>
> It is recommended that ANY systems user always have a fairly realistic
> understanding of network trust, packet ports and "regular traffic".
>
> Also, beyond KEYLOGGERS, everyone needs to know that EVERY SINGLE SITE
> YOU GOOGLE, every place you visit can trivially be cross referenced
> from other sites for which you authenticate to provide AT A GLANCE NSA
> and DHS data that will provide a complete profile. This includes CHAT
> LOGS, Warez sites, TORRENT, and porn sites.
> The false sense of security that you can use a Anonymizer or browser
> Proxy site, while it will allow you get to FaceBook from work, will
> not protect you from large scale data taps at the level of Akamai
> Caching and Cable/Telecom providers which can be configured to hit any
> number of parameters for which the feds are interested.
>
>
> Mike Enriquez
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>
Thank you Lisa,
I love this group.
Every time I ask a question I get an education.
Take Care.
Mike
>
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