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iPhone Worm Rickrolls Jailbroken Devices

November 8, 2009

Over the past week there has been a lot of news over unsecured SSH on iPhone. First about the Dutch hacker who wasscanning the network for jailbroken users who had not changed their default SSH password. Now a hacker who goes by the name of “ikee” from Australia, created a worm that changes the home screen background to Rick Astley.

As I’m sure your aware by now this only affects users who have jailbroken their phone and installed OpenSSH, not just general users or who have jailbroken their device. If you have jailbroken your device and have got OpenSSH installed please read this guide on how to change your default password to ensure none of these worms or hacks will affect you.

Rickroll iPhone Worm

ikee says this is how the worm spread: “The code itself is set to firstly scan the 3G IP range the phone is on, then Optus/Vodafone/Telstra’s IP Ranges (I think the reason Optus got hit so hard is because the other 2 are NAT’d) then a random 20 IP ranges. I’m guessing a few phones hit a range that another vulnerable phone was on.”

Once one phone is infected it searches for phones with the default password and then begins the process again.

Dutch Hacker Hack’s Into Jailbroken iPhone’s

How To: Change Your iPhone’s SSH Password

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