Posts Tagged ‘spam war’

Your mailbox is over its size limit – Happy Ending

Monday, October 25th, 2010

We are not fond of URL shorteners because, whether they mean to or not, they help spammers. Spammers like to have a lot of URLs that all go to the same site so spam filters don’t see the same URL over and over and realize it’s spam.

The whole purpose of URL shorteners is to create domain aliases so they’re a perfect tool for spammers. more »

Spam Wars – The Video Game

Friday, October 8th, 2010

Hey somebody made a video game of our job!

Okay so our job is really nothing like this. Especially the part about shooting spammers.

We wish! more »

Spammed by the Instructables Robot? Web Form Hijacking

Wednesday, October 6th, 2010

Don’t get us wrong. We really like instructables.com. In fact, we’re thinking about making one of these for our next project. Yeah we know, we’re nerds. It’s not like we’re in the spam wars because we’re glamorous:)

Anyway, it looks like somebody found an “instructable” on how to hijack web forms and used it on the instructables site. more »

Hidden Characters

Monday, April 26th, 2010

Spammers face an interesting challenge in that they must make their message obscure to spam filtering systems without making it unintelligible to their target audience.

One approach to this problem is to present the message in such a way that what a human sees is completely different from what a computer filtering system sees. Their hope is that by sending a message that says “VIAGRA” to a human reader but “VsuIpAuGuRapA” to the filter they can avoid having their message caught and can then sell more Viagra (or something resembling Viagra, or just collect money and not deliver anything).

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“Effectively Perfect” Spam Filtering Hype

Wednesday, January 27th, 2010

According to this article, a team of computer scientists at the International Computer Science Institute in Berkeley, has developed an “effectively perfect” method of filtering spam from botnets. The system works by reverse engineering the spam bot’s template to predict how it will vary messages in order to fool filters:

As spam is churned out, subtle changes are typically incorporated into the messages to confound spam filters. Each message is generated from a template that specifies the message content and how it should be varied. The team reasoned that analyzing such messages could reveal the template that created them. And since the spam template describes the entire range of the emails a bot will send, possessing it might provide a watertight method of blocking spam from that bot.

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