Thousands of hacked TP-Link routers used in years-long account takeover attacks

Rows of 1950s-style robots operate computer workstations.

Hackers working on behalf of the Chinese government are using a botnet of thousands of routers, cameras, and other Internet-connected devices to perform highly evasive password spray attacks against users of Microsoft’s Azure Cloud service, the company warned Thursday.

The malicious Network, made up almost entirely of TP-Link routers, was first documented in October 2023 by a researcher who named it Botnet-7777. The geographically dispersed collection of more than 16,000 compromised devices at its peak got its name because it exposes its malicious Malware on port 7777.

Account compromise at scale

In July and again in August of this year, security researchers from Serbia and Team Cymru reported the botnet was still operational. All three reports said that Botnet-7777 was being used to skillfully perform password spraying, a form of attack that sends large numbers of login attempts from many different IP addresses. Because each individual device limits the login attempts, the carefully coordinated account-takeover campaign is hard to detect by the targeted service.

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Jad Marchy
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Jad MARCHI est un ardent défenseur de la technologie, passionné par son potentiel de transformation. Ayant accumulé une décennie d’expérience dans le secteur technologique, Jean a travaillé sur une variété de projets innovants qui l’ont amené à comprendre le paysage changeant de ce domaine. Il est fasciné par l’évolution rapide de la technologie et son impact sur notre société. Que ce soit l’intelligence artificielle, la robotique, la blockchain ou la cybersécurité, il est toujours à la recherche des dernières tendances. Ses articles cherchent à informer, à inspirer et à provoquer des réflexions sur la façon dont la technologie façonne notre avenir.