Risiko: sehr gering
Typ: Wurm
entdeckt am: 22. November 2004
auch bekannt als: keine Angabe
Information:
SymbOS.Cabir.B is a proof-of-concept worm that replicates on Series 60 phones. The worm is a minor variant of SymbOS.Cabir.
The only difference is SymbOS.Cabir.B displays the following message after infection:
Caribe
The worm repeatedly sends itself to the first Bluetooth-enabled device that it can find, regardless of the type of device. For example, even a Bluetooth-enabled printer will be attacked if it is within range.
The worm spreads as a .SIS file, which is installed into the APPS directory. There is no payload, apart from the vastly shortened battery life caused by the constant scanning for Bluetooth-enabled devices.
Ertechnische Details:
SymbOS.Cabir.B is transmitted through Bluetooth as a .SIS file.
When the worm arrives at a target device the following may happen:
The device displays a message similar to the following, asking the user to accept a message from a particular device:
Receive message via Bluetooth from [device name]?
The user will be notified that they have received a new message.
The user will be prompted with a message similar to the following:
Application is untrusted and may have problems. Install only if you trust provider.
If the user chooses Yes, the user will be prompted to install the worm.
Install caribe?
If the user chooses Install, SymbOS.Cabir is installed and executed, displaying the message:
Caribe
The worm creates the following files on the phone:
\SYSTEM\APPS\CARIBE\CARIBE.APP
\SYSTEM\APPS\CARIBE\CARIBE.RSC
\SYSTEM\APPS\CARIBE\FLO.MDL
C:\SYSTEM\SYMBIANSECUREDATA\CARIBESECURITYMANAGER\ CARIBE.APP
C:\SYSTEM\SYMBIANSECUREDATA\CARIBESECURITYMANAGER\ CARIBE.RSC
C:\SYSTEM\SYMBIANSECUREDATA\CARIBESECURITYMANAGER\ CARIBE.SIS
C:\SYSTEM\RECOGS\FLO.MDL
C:\SYSTEM\INSTALLS\CARIBE.SIS
The worm attempts to send itself to other Bluetooth-enabled device that it finds, regardless of the type of device.
The worm executes every time the device is turned on.
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