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October 31, 2007 1:50 PM PDT

Mac OS malware targets porn surfers

There's a new piece of malware out there targeting Mac users that takes advantage of the inclination to watch porn.

Intego, a Mac security software company, issued an alert Wednesday warning Mac users of the OSX.RSPlug.A malware, which it describes as a Trojan horse. Those of you familiar with mythology recognize the reference, and OSX.RSPlug.A disguises itself as a video codec that would ensure whatever porn video you just stumbled upon will play on your Mac.

(Credit: Intego)

But to get infected with the malware, you have to accept the invitation to download "new version of codec," open up the .dmg (disk image) file, click the installer.pkg file, and enter your administrator's password, according to Intego. Once infected, the malware changes your DNS settings to hijack Web traffic and redirect it to phishing sites or ads for porn. And you still won't get to watch the video.

If you're running Tiger, you might never realize how you were infected, but Leopard's Advanced Network preferences will at least let you recognize that the DNS servers have been changed. You'll be unable to change them back without going through a lengthy process detailed by Macworld's Rob Griffiths.

Intego coincidentally sells software that would also protect your Mac from the malware, and uses the opportunity to point that out on its security bulletin. But there's one surefire way to avoid these problems.

People, we're talking about Internet porn. There are literally millions of Web pages that cater to every imaginable interest (and a few I'm sure I can't imagine) that don't ask you to install software to view them. Most people know you should never install something on your computer unless you know exactly what it is, and who is sending it your way. But that red flag has to immediately shoot up if you're asked to install any unsolicited application or file that comes from a porn Web site. I don't care what they promised you at the other end of the process.

A little common sense goes a long way. Think about what you're doing before you do it, because no porn video is worth the risk of installing something evil on your Mac.

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Add a Comment (Log in or register) 67 comments (Showing first 20 comments)
Don't go there, don't get infected
by Vegaman_Dan October 31, 2007 2:34 PM PDT
I don't think it matters if it is a computer or a hooker on the street. You're likely to get infected either way.


I'm glad that Leopard will alert end users that something has taken control of their system. Perhaps that can be rolled back to previous versions of OS X as well.

In the end, it's not about the OS security, but end user susceptiblity. Social engineering can get around even the best security if it wraps it up in a pretty wrapper that people will click on.
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who wants to watch porn anyway?
by carmen sancarlos October 31, 2007 2:36 PM PDT
Any one who watches porn deserves to be attacked... if less people
looked at it, less people would produce it...just think of the young
girls who donīt know any better...they pay for their mistake for the
rest of their life.
Reply to this comment View all 2 replies
is this a result of more Mac users...
by ceebee23 October 31, 2007 2:40 PM PDT
MacOSX has always been a more secure OS than Windows but as the number of Mac users increase the number of attacks targeting macs was bound to increase....is the this the first of an increasing assault on mac users?
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NEVER download, authorize, install software from a porn site
by MaLvaDo39 October 31, 2007 3:25 PM PDT
Duh
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I thought Macs were perfect.
by ferretboy88 October 31, 2007 3:36 PM PDT
Most of the apple fan boys will tell you that they don't need security software for their apple computers but since a firewall comes with it and other protection software comes with it I use it. Also the best protection is you. Going on porn sites is just stupid. If I want to watch porn I go to a store and buy a movie. Of course all the bad guys will target porn since it is so popular.
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Every OS has its idiot users
by rcrusoe October 31, 2007 4:37 PM PDT
They would probably fall for this email "virus" too:

"You have just received a virus. Since we are not so technologically
advanced, this is a MANUAL virus. Please delete all the files on your
hard disk yourself and send this mail to everyone you know.

Thank you very much for helping me."
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Solution
by 42istheanswer October 31, 2007 6:18 PM PDT
Surf your porn in a virtual machine (VM). After you're satisfied with the session, revert the VM back to a clean snapshot. Rinse and repeat.
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Have to admit...
by crue24 October 31, 2007 6:58 PM PDT
this is actually newsworthy. Granted, only the dumbest of users
is actually going to be gullible enough to follow all those steps
without realizing something isn't right, but still it's the first
Trojan for the mac. I'm a mac user and do believe, right or
wrong, that OSX is more secure, however I don't think it's
perfect and accept that part of the reason security hasn't been
an issue is the small user base. But now we have the first
one...and someone will build a better one.

I don't think mac will ever suffer the fate of windows users, but
it's time for them to start paying a little more attention. I've
personally caught myself feeling a little too "immune"
sometimes, but I am pretty careful being an IT guy. Time to step
that up a notch....
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Don't feed the trolls
by darthstupid October 31, 2007 7:46 PM PDT
To get this you have to give it your administrator password. No kind of security can protect you against yourself. This isn't a problem with the Mac it is a problem with human nature (not surfing for porn but willing to give up secrets for sex).
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*yawn*
by Penguinisto November 1, 2007 7:26 AM PDT
Well, gee... a user actively installs something from a place he
doesn't even know about, let alone trust.

Interesting that someone decided to to it for OSX, but stupid
users are stupid users.

And oh, boy would you have to be stupid to install this one...
versiontracker.com (just one example of many) has all the legit
video codecs you could ever want or need, including the MSFT-
only ones.

Dear C|Net, come back when you have something that can be
installed through an IFRAME (web browser vector) or via an
application fault, 'kay? Becuase Windows has those by the
bucketload. Then we'll talk.

/P
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Change the Title Idiot
by sourx November 1, 2007 11:34 AM PDT
The article should say "Malware targets porn surfers". This has nothing to do with Mac OS but the idiots that click/install the junk. No OS can protect against this so stop writing this utter crap.

Why do I even look at this site anymore...it is just tech sensationalism.
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So you need to...
by umcrouc0 November 1, 2007 1:18 PM PDT
Go to a porn site, download a sketchy sounding file to view a video, decide to install the file, and enter your admin password? It then takes you to phishing sites? Wow, that's some slick vulnerability. I've got another one. It's called picking up your computer and dropping it out of a window.
Reply to this comment
Some coincidence
by Tui Pohutukawa November 1, 2007 1:23 PM PDT
"Intego coincidentally sells software that would also protect your
Mac from the malware, and uses the opportunity to point that
out on its security bulletin."

So there is this company called Intego, that only sells "security
software for Mac OS X". Too bad their products are totally
useless, since OS X is already secure - this I know from
experience. I never had malware on any of my machines,
whether under OS 7, 9 or X. That's about 10 years of constant
use - without a single infection.

Coming back to Intego, it is indeed a remarkable coincidence
that they happen to sell software that protects against a trojan
they discovered in the first place. What a lucky coincidence - for
Intego. How did this come about: Did they surf porn sites, and
discover accidentally that their software protects against
malware they picked up along the way? How convenient.

In order to become a victim of this trojan, you'd have to have all
your eyes, ears and remaining brain cells covered with an
impenetrable layer, made of testosterone and sheer stupidity.
Such people exist, of course.
Reply to this comment
Surf Porn with a Linux Live CD
by starcannon November 1, 2007 2:21 PM PDT
Problem solved.
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I love it when it happens...
by rleon November 1, 2007 2:34 PM PDT
So, all the viruses and trojans in the windows world happen
because the user is... er? ... not smart enough?
And since there is not one single virus for OS X, I take that as a
compliment.
Now, there are hundreds of thousands viruses for windows
right?
Look at the mirror and ask yourself: Which platform has lots of
not so smart users?
You are right! It is not MS`s fault! It have being the dumb user
base all along.
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Macs get infected as well
by Orion Blastar November 2, 2007 6:45 AM PDT
most Mac users tend to think that Mac OSX is virus-proof, but they are wrong. They run Mac OSX without any anti-virus software or firewall and just use the default settings.

While Mac OSX is based on Unix with Unix security, it also is based on the Classic Mac OS 9 and earlier, and has such things as AppleScript, Quicktime, Safari, iTunes, etc that are subject to exploits due to sloppy Apple code in them that Unix systems like Linux do not have.
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So---
by Norseman November 2, 2007 2:42 PM PDT
If I'm not a brain-dead porn aficionado, how will this have a negative effect on my life?
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