Comments on: Trojan Decodes Captchas Using Stolen Commercial Tools

By: IT PRO: Blogs: Davey Winder: Decoding Captchas with OCR

IT PRO: Blogs: Davey Winder: Decoding Captchas with OCR — Mon, 05 Oct 2009 23:56:49 +0000

[...] to researchers at Webroot the Trojan makes use of components found in commercial optical character recognition software in [...]

By: albert

albert — Mon, 05 Oct 2009 11:28:51 +0000

Thanks for sharing such nice technical information with snaps. So we can easily understand it. I like your way which you listed here to learn. Thanks dude.

By: Andrew Brandt

Andrew Brandt — Fri, 02 Oct 2009 22:17:52 +0000

The screenshots of those ads were taken directly from the pages the Trojan pulled down. But all of these pages were visited using a browser instance that was running in the background. With the exception of the last Internet Explorer error dialog at the bottom of the post, the user of an infected system would not see anything unusual, because the instance of Internet Explorer that was running had no visible windows. We did see them because we monitor the network traffic, and capture all the files that come over the wire.

By: Billy Greene

Billy Greene — Fri, 02 Oct 2009 19:47:58 +0000

I wondered why I was getting so many of those offers.