World‟s First iPhone Worm Hits iPhone Owners In Australia
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.
Tricking victims in to inadvertently playing the song has become a popular
prank known as Rickrolling.
The attacks, which researchers
say are the world‘s first iPhone worm in the wild, target jailbroken iPhones
that have SSH software installed and keep Apple‘s default root password of
"alpine.‖ In addition to showing
a well-coiffed picture of Astley, the new wallpaper displays the message
"ikee is never going to give you up,‖ a play on Astley‘s saccharine addled 1987 hit
"Never Gonna Give You Up.‖
A review of some of the source
code, shows that the malware, once installed, searches the mobile phone network
for other vulnerable iPhones and when it finds one, copies itself to them using
the the default password and SSH, a Unix application also known as secure
shell. People posting to this thread on Australian discussion forum Whirlpool
first reported being hit on Friday. "I foolishly had forgot to change my
root and user password last time i had jailbroke my phone,‖ wrote one forum
participant. In addition to his own iPhone being attacked, he said a flatmate‘s
iPhone 3G was also sullied with the image of Astley. Users who tried to delete
the image were chagrined to find it reappear once they rebooted their device.
The attack is a wakeup call for anyone who takes the time to jailbreak an
iPhone. While the hack greatly expands the capabilities of the Apple
smartphone, it can also make it more vulnerable. Programs such as OpenSSH,
which can only be installed after iPhones have undergone the procedure, can be
extremely useful, but if owners haven‘t bothered to change their root password,
the programs also represent a gaping hole waiting to be exploited. Indeed, a
hacker going by the moniker ikee and claiming to be responsible for the worm
said here that he wrote the program to bring awareness to the widely followed
practice of failing to change the iPhone‘s password.
"I was quite amazed by the
number of people who didn‘t RTFM and change their default passwords,‖ the unidentified worm
writer 149
said.
"I admit I probably pissed of [sic] a few people, but it was all in good
fun (well ok for me anyway).‖ Ikee said the worm disables the SSH
daemon so it can‘t be targeted further. So far, there are no reports of people
outside of Australia getting infected. And the attack appears to do nothing
more than Rickroll victims with the Astley wallpaper. But because the writer
released source code for four separate variants, it wouldn‘t be surprising for
copycats in other regions to appropriate the attack code and potentially imbue
it with more malicious payloads. Source:- The Register
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