Wednesday, January 14, 2009

Serving Up Malware via Ad Networks

So nothing new to serve up exploits via ad networks but I thought it was cool that someone was serving up a pdf exploit via the Ad Network

From http://www.curse.com/forums/t/69161.aspx

"I was looking at GridManaBars when Avast popped up a virus, 3 times. Twice on the addon's page, and once on the download page. I just viewed the page again, but nothing there.

Here's Avast's log.

12/2/2008 7:11:31 PM SYSTEM 1132 Sign of "JS:Packed-T [trj]" has been found in "hxxp://76.74.154.110/zv00108/pdf.php?id=9702&vis=1" file.
12/2/2008 7:11:31 PM SYSTEM 1132 Sign of "JS:Packed-T [trj]" has been found in "hxxp://76.74.154.110/zv00108/pdf.php?id=9702" file.
12/2/2008 7:11:50 PM SYSTEM 1132 Sign of "JS:Packed-T [trj]" has been found in "hxxp://76.74.154.110/zv00108/pdf.php?id=9702&vis=1" file. "

Url looks similar from what I recall, it's traced back to valuepromo.net. Ad banners I assume?

A robtex of that IP gives you two others in the valuepromo network

76.74.154.110 server2.valuepromo.net
76.74.239.45 server3.valuepromo.net
76.74.239.143 server1.valuepromo.net

http://www.robtex.com/dns/qiweroqw.com.html

google for those IPs and you'll see all kinds of people complaining about AV alerts and browser crashes.

The best stuff is here though

http://forums.techpowerup.com/showthread.php?t=81570

"
http://76.74.154.110/zyyqoeiwrueq/pdf.php?id=14273&vis=1

i'm sitting at techpowerup.com homepage and it takes me to this ^^ and brings me to a blank pdf document.... about 6 hours ago today, at techpowerup's homepage, it opened up acrobat reader (outside of firefox) with a blank document...."

Opens up a blank pdf, yeah that's not good...

On a more fun note, think of the damage you could do to competitor ad network by getting them to serve up malware and get their whole netblock blocked? good stuff.

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