By Graham Cluley
November 8th, 2009
Apple iPhone owners in Australia have reported that their smartphones
have been infected by a worm that has changed their wallpaper to an
image of 1980s pop crooner Rick Astley.
The worm, which could have spread to other countries, is capable of
breaking into jailbroken iPhones if their owners have not changed the
default password after installing SSH. Once in place, the worm appears
to attempt to find other iPhones on the mobile phone network that are
similarly vulnerable, and installs itself again.
On each installation, the worm - written by a hacker calling themselves
"ikee" - changes the lock background wallpaper to an image of Rick
Astley with the message:
ikee is never going to give you up
What's clear is that if you have jailbroken your iPhone or iPod Touch,
and installed SSH, then you must always change your root user password
to something different than the default, "alpine". In fact, it would be
a good idea if you didn't use a dictionary word at all.
The worm will not affect users who have not jailbroken their iPhones or
who have not installed SSH.
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