A second iPhone worm has been unearthed as the stratospheric success of the iPhone starts to attract the wrong kind of attention. Read on for all the news…Another week, another iPhone worm. We reported last week of an iPhone hack that followed on from Australian hacker Ashley Towns’ Rick Astley worm, another malicious worm has been identified by F-Secure that tries to hijack users’ online banking details.

The so-called ‘Duh’ malware has so far targeted Dutch users who bank online with ING Direct, taking them to a fake log-in page and harvesting their details.

Again, only jailbroken iPhone handsets that haven’t changed the default password are vulnerable, and while the numbers of infected phones is reportedly small at the moment, the worm has the ability to self-replicate over Wi-Fi.

F-Secure research director Mikko Hypponen said there was no question that the Duh worm had sinister intentions: “It’s fairly isolated and specific to Netherlands but it is capable of spreading.”

Ironically, when Towns was rumbled for spreading the Astley wallpaper, he commented that he had done it to raise the profile of iPhone security.