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SPEWS is back and an exploit for CAPTCHAs
Posted November 6, 2003 – 2:58 pm by Yakov Shafranovich in Spam and EmailWell, it seems that SPEWS is back, no explanation on what happened of course.
Also, today I ran across an article about how a spammer was able to defeat the visual Turing tests used by some C/R systems:
But at least one potential spammer managed to crack the CAPTCHA test. Someone designed a software robot that would fill out a registration form and, when confronted with a CAPTCHA test, would post it on a free porn site. Visitors to the porn site would be asked to complete the test before they could view more pornography, and the software robot would use their answer to complete the e-mail registration.
This was originally posted on Matt McCay’s weblog. There is also a weblog entry by Liudvikas Bukys asking for specific examples such as this one.
Tags: spam —
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