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Apple iPhones snared by mobile botnet

Worm targets jailbroken iPhones

A new worm is targeting jailbroken iPhones and adding them to a mobile botnet, according to a security memo from security vendor Intego.

Intego says that the worm starts off scanning local networks for jailbroken iPhones that have installed Secure Shell (SSH) and that haven't changed their default password. So far, the worm is scanning IP addresses of ISPs in The Netherlands, Portugal, Hungary and Australia. If the worm finds an unprotected iPhone, it will copy itself onto the device and add it to its botnet.

Additionally, the worm changes the device's password and thus prevents users from changing the password themselves. It then connects all infected devices to a central server in Lithuania that directs them to participate in distributed denial-of-service attacks, send spam or deliver malware to other machines.

Rick Astley wormThe botnet worm, dubbed 'iBotnet.A' by Intego, is the third major piece of iPhone-centric malware that has popped up over the last month. The first iPhone worm was a fairly innocuous piece of malware that replaced the iPhone's regular homescreen with Rick Astley wallpaper, a nod to the popular 'Rick Roll' internet meme. The second piece of malware harvested personal data from iPhones, including user email, contacts, SMS messages, calendars and multimedia files.

See also:

Apple iPhone 3GS review

PC security advice

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