700 million emails collected by a spam-bot

Researchers have discovered a botnet, called Onliner, that has collected 711 million email accounts used to send spam messages. An open and accessible web server storing databases of addresses, passwords and email servers for sending spam was hosted in the Netherlands, ZDNet reported. The credential emails and servers are used by spammers to avoid spam filters. Among other, this spam-bot is believed to have distributed over 100,000 unique infections of a banking malware Ursnif to inboxes around the world.