Do you want free backlinks? Does the Pope shit in the woods?
Boogybonbon has found a way to exploit the preview comment form to create backlinks from Movable type blogs.
From the post, MovableType preview button good for back links:
As long as the blog is not a MovableType 3.2/3.x the blog will give a nice URL that you can publish into a ping list and get indexed for back links. This is because the MovableType 3.x uses JavaScript to convert tags into a preview comment field and as we all know search engines cant see that.
Needles to say it only took me about 15 minutes to find 6 blogs with PR 5-8 and process the forms over to GET then post the URL’s into a couple ping sites.
Here’s how it works:
The preview comment button on movable type blogs uses the POST method but search engines require the GET method to index a URL. So, what you need to do is:
1. Download the firefox extension webmaster tools to convert the POST forms to GET forms.
2. Find Movable type blogs.
3. Open The “preview Comment” in a new window.
4. Convert the POST Form to a GET Form like this:
5. Fill out comment however you like.
6. Press preview comment.
7. Instead of producing a url like this:
http://www.baseballmusings.com/cgi-bin/mt/mt-comments-pinto.cgi
it will produce a URL like this (images used for formating purposes):
The links on the produced pages are NOT nofollow.
8. Now, you may want to use a service like tinyurl or a redirect to hide what you are doing (not required)
9. Ping that URL to the Search Engines in splog posts, guestbooks, or however you think best.
Pretty freaking cool, huh?
I’d like to add a quick reminder that you need sign up for the SEO poker Tournament by tuesday and email me your pacific poker username and website URL.
quadszilla (at) seoblackhat.com

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June 10th, 2006
QuadsZilla 
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Exploiting Trackback Spam Vulnerability
More link dumping tech:
From threadwatch (nice find Nick), we have Brian at platinax revealing that trackback spammers have circumvented the Typpad no-follow tag.
Sounds like a call to action. Not to fix the weakness – but to exploit it! Even if they fix the problem, the dead blogs and people who don’t update will still be be handing out free links.
There may be more to it, but apparently only the first URL in a particular trackback has the nofollow tag.
Let’s assume we build an automated trackback spammer, and spam tons of sites. It should work to create backlinks that help SERPs for at least the next 6 months – probably longer. But even if Google decides to penalize sites for having links in spam-littered trackback sections, it just means we’ll have another Googlebowling weapon.
If your looking at tackling this project (or just curious), this Interview with a link spammer article is a nice read.