DNS poisoning at Google?

Wed Jun 27 06:02:00 UTC 2012

It also redirects with facebook, youtube, and ebay but NOT amazon.

-Grant

On Wed, Jun 27, 2012 at 12:57 AM, Matthew Black <Matthew.Black at csulb.edu>wrote:

>  Our web lead was able to run curl. Thanks.****
>
> ** **
>
> matthew black****
>
> information technology services****
>
> california state university, long beach****
>
> ** **
>
> *From:* Grant Ridder [mailto:shortdudey123 at gmail.com]
> *Sent:* Tuesday, June 26, 2012 10:53 PM
> *To:* Matthew Black
> *Cc:* Landon Stewart; nanog at nanog.org; Jeremy Hanmer
>
> *Subject:* Re: DNS poisoning at Google?****
>
> ** **
>
> Matt, what happens you get on a subnet that can access the webservers
> directly and bypass the load balancer.  Try curl then and see if its
> something w/ the webserver or load balancer.****
>
> ** **
>
> -Grant****
>
> On Wed, Jun 27, 2012 at 12:40 AM, Matthew Black <Matthew.Black at csulb.edu>
> wrote:****
>
> Thanks again to everyone who helped. I didn't know what to enter with
> curl, because Outlook clobbered the line breaks in Jeremy's original
> message.
>
> Also, curl failed on our primary webserver because of firewall and load
> balancer magic settings. The Telnet method worked better!
>
> Our team is now scouring for that hidden redirect to couchtarts.****
>
>
> matthew black
> information technology services
> california state university, long beach
>
>
> ****
>
> From: Landon Stewart [mailto:lstewart at superb.net]****
>
> Sent: Tuesday, June 26, 2012 10:37 PM
> To: Matthew Black
> Cc: Jeremy Hanmer; nanog at nanog.org****
>
> Subject: Re: DNS poisoning at Google?****
>
> There is definitely a 301 redirect.
>
> $ curl -I --referer http://www.google.com/ http://www.csulb.edu/
> HTTP/1.1 <http://www.csulb.edu/%0d%0aHTTP/1.1> 301 Moved Permanently
> Date: Wed, 27 Jun 2012 05:36:31 GMT
> Server: Apache/2.0.63
> Location: http://www.couchtarts.com/media.php
> Connection: close
> Content-Type: text/html; charset=iso-8859-1****
>
> On 26 June 2012 22:05, Matthew Black <Matthew.Black at csulb.edu<mailto:
> Matthew.Black at csulb.edu>> wrote:
> Google Webtools reports a problem with our HOMEPAGE "/". That page is not
> redirecting anywhere.
> They also report problems with some 48 other primary sites, none of which
> redirect to the offending couchtarts.
>
> matthew black
> information technology services
> california state university, long beach
>
>
>
>
> -----Original Message-----****
>
> From: Jeremy Hanmer [mailto:jeremy.hanmer at dreamhost.com<mailto:
> jeremy.hanmer at dreamhost.com>]
> Sent: Tuesday, June 26, 2012 9:58 PM
> To: Matthew Black****
>
> Cc: nanog at nanog.org<mailto:nanog at nanog.org>
> Subject: Re: DNS poisoning at Google?
> It's not DNS.  If you're sure there's no htaccess files in place, check
> your content (even that stored in a database) for anything that might be
> altering data based on referrer.  This simple test shows what I mean:****
>
> Airy:~ user$ curl -e 'http://google.com' csulb.edu<http://csulb.edu>
> <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head>****
>
> <title>301 Moved Permanently</title>
> </head><body>
> <h1>Moved Permanently</h1>
> <p>The document has moved <a href="http://www.couchtarts.com/media.php
> ">here</a>.</p>
> </body></html>
>
> Running curl without the -e argument gives the proper site contents.****
>
> On Jun 26, 2012, at 9:24 PM, Matthew Black <Matthew.Black at csulb.edu
> <mailto:Matthew.Black at csulb.edu>> wrote:
>
> > Running Apache on three Solaris webservers behind a load balancer. No MS
> Windows!
> >
> > Not sure how malicious software could get between our load balancer and
> Unix servers. Thanks for the tip!
> >
> > matthew black
> > information technology services
> > california state university, long beach
> >
> >
> >****
>
> > From: Landon Stewart [mailto:lstewart at superb.net<mailto:
> lstewart at superb.net>]****
>
> > Sent: Tuesday, June 26, 2012 9:07 PM
> > To: Matthew Black****
>
> > Cc: nanog at nanog.org<mailto:nanog at nanog.org>****
>
> > Subject: Re: DNS poisoning at Google?
> >
> > Is it possible that some malicious software is listening and injecting a
> redirect on the wire?  We've seen this before with a Windows machine being
> infected.****
>
> > On 26 June 2012 20:53, Matthew Black <Matthew.Black at csulb.edu<mailto:
> Matthew.Black at csulb.edu><mailto:Matthew.Black at csulb.edu<mailto:
> Matthew.Black at csulb.edu>>> wrote:
> > Google Safe Browsing and Firefox have marked our website as containing
> malware. They claim our home page returns no results, but redirects users
> to another compromised website couchtarts.com<http://couchtarts.com><
> http://couchtarts.com>.****
>
> >
> > We have thoroughly examined our root .htaccess and httpd.conf files and
> are not redirecting to the problem target site. No recent changes either.
> >
> > We ran some NSLOOKUPs against various public DNS servers and
> intermittently get results that are NOT our servers.
> >
> > We believe the DNS servers used by Google's crawler have been poisoned.
> >
> > Can anyone shed some light on this?
> >
> > matthew black
> > information technology services
> > california state university, long beach****
>
> > www.csulb.edu<http://www.csulb.edu><http://www.csulb.edu><
> http://www.csulb.edu>
> >
> >
> >
> > --
> > Landon Stewart <LStewart at Superb.Net<mailto:LStewart at Superb.Net<mailto:
> LStewart at Superb.Net>>>
> > Sr. Administrator
> > Systems Engineering
> > Superb Internet Corp - 888-354-6128 x 4199<tel:888-354-6128%20x%204199>
> Web hosting and more "Ahead****
>
> > of the Rest":
> > http://www.superbhosting.net<http://www.superbhosting.net/>
> >
>
>
>
>
>
>
> --
> Landon Stewart <LStewart at Superb.Net<mailto:LStewart at Superb.Net>>
> Sr. Administrator
> Systems Engineering
> Superb Internet Corp - 888-354-6128 x 4199
> Web hosting and more "Ahead of the Rest": http://www.superbhosting.net<
> http://www.superbhosting.net/>****
>
> ** **
>