Amazon customers were targeted in a massive spear phishing campaign where recipients received Microsoft Word documents with a macro that triggered downloads of the Locky ransomware. Researchers at Comodo Threat Research Labs say it is one of the largest spam ransomware campaigns this year.
Fatih Orhan, director of technology at Comodo and the Comodo Threat Research Labs, said the attack occurred on May 17 and lasted about 12 hours and is estimated to have pushed out as many as 30 million spam messages purporting to be an update from Amazon on a shipping order. Orhan told Threatpost the spear phishing campaign is notable not just because of its size, but also because the attackers were able to manipulate email header data to trick sender policy framework (SPF) controls on email gateways.
Full Article
