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New, Virulent Cabir Mobile Phone Worms Spotted

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#1 Scarlett


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Posted 28 December 2004 - 09:29 PM

By Paul Roberts
IDG News Service, 12/28/04

Two new versions of a computer virus that affects mobile phones were discovered Monday with new features that allow them to spread more quickly between vulnerable devices, according to antivirus company F-Secure Corp.

Cabir.H and Cabir.I are the latest versions of a worm that was first identified in June and affect Symbian Ltd. mobile phones. There are no reported infections from the new worms. However, F-Secure said that the new viruses fix a problem with earlier versions of Cabir that prevented that worm from spreading quickly between mobile phones.

Like the original Cabir worm, dubbed Cabir-A, the new Cabir variants spread between mobile phones using a specially formatted Symbian operating system distribution (or SIS) file disguised as a security management utility. When the infected file is launched, the mobile phone's screen displays the word "Caribe" and the worm modifies the Symbian operating system so that Cabir is started each time the phone is turned on.

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Edited by scarlett, 30 December 2004 - 02:49 PM.

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#2 KoanYorel


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Posted 30 December 2004 - 08:50 AM

Follow-up Article

Mobile Phone Virus Augurs Growing Threat

By Jay Lyman
12/29/04 10:49 AM PT

Ken Dunham of iDefense called the availability of the Cabir source code an ominous sign. "Whenever you see the source code available on the underground, the more likely it is to be exploited," he said.

..."Cabir originally would only spread to one new phone per reboot," F-Secure said. "Cabir.H and Cabir.I can spread to an unlimited number of phones per reboot."...

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