Massive ‘Onliner’ Spambot Holds 711 Million Email Addresses

itman · Aug 30, 2017

Security researchers have uncovered one of the largest single spambots ever seen, loaded with 711 million email records.

The so-called 'Onliner' spambot was discovered by researcher 'Benkow' who claimed it has been in use since at least 2016, spreading a banking trojan called Ursnif.

It contains around 50GB of emails, credentials and SMTP configuration files, he explained in a blog post.

“I have seen this spambot targeting specific countries like Italy, or specific business like hotels,” said Benkow.

Troy Hunt, owner of the HaveIBeenPwned site, claimed it was the “largest single set of data I've ever loaded into HIBP.”

The trove was found on a Dutch server, with law enforcers in the country contacted to shut it down ASAP, he added.

Crucially, the Onliner campaign doesn’t just use email addresses, but also a smaller trove of 80 million SMTP credentials to authenticate and help bypass anti-spam filters.
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https://www.infosecurity-magazine.com/news/massive-onliner-spambot-711m-emails/

ronjor · Aug 30, 2017

Posted here. Look around before making duplicate posts.

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