Vigilante botnet infects IoT devices before blackhats can hijack them

Source: ARS Technica

Mirai, the botnet that threatened the Internet as we knew it last year with record-setting denial-of-service attacks, is facing an existential threat of its own: A competing botnet known as Hajime has infected at least 10,000 home routers, network-connected cameras, and other so-called Internet of Things devices.
Hajime uses a decentralized peer-to-peer network to issue commands and updates to infected devices. This design makes it more resistant to takedowns by ISPs and Internet backbone providers. Hajime uses the same list of user name and password combinations Mirai uses, with the addition of two more. It also takes steps to conceal its running processes and files, a feature that makes detecting infected systems more difficult. Most interesting of all: Hajime appears to be the brainchild of a grayhat hacker, as evidenced by a cryptographically signed message it displays every 10 minutes or so on terminals. The message reads:



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