Posts Tagged ‘mobile phones’

Exploiting GSM Phones

So now that you hopefully have at least a basic understanding of how gsm operates, let’s talk about the fun stuff. The first trick I will discuss is an activity that is becoming quite prevalant, SIM cloning. If you have paid attention to any cell phone related tutorials in the past, then you may remember cloning being made popular by certain public figures like Kevin Mitnick in order to place calls on the bill of another subscriber. Well, even with GSM this trick still holds relevant. How could such a flaw exist in a system that is obviously concentrated on preventing such fraudulant use? The flaw is within the COMP128 authentication algorithm used as an instantiation of A3/A8 widely used by gsm providers. Unfortunately for these providers, the COMP128 algorithm is just not strong enough to prevent fraud. We attack the algorithm by using a chosen-challenge attack, which works by forming a number of specially-chosen challenges and querying the SIM card for each one. Then by analyzing the responses from these queries, we are able to determine the value of the secret key that is used for authentication. So how do we perform this attack?

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How GSM Operates ?

As I’ve said in past tutorials, in order to hack anything in any sense of the word you have to first understand how it operates. Therefore in this section you will learn the details on GSM to have a better understanding of how it operates. Therefore, you will have a better understanding of how it can be exploited. GSM (Global System for Mobile communication) is fundamentally different from some of it’s older counterparts like AMP in the sense that it operates using digital technology, instead of using the traditional analog technology. GSM being a cellular system is of course divided into cells. These cells correspond to their covering area of one trasmitter, or a small collection of transmitters. The size of these cells depend on the power of their transmitter. GSM, as with other cellular systems, uses low power transmitters so that frequencies can be reused efficiently. The frequency band used by a cellular mobile radio system is distributed over a group of cells, which is repeated in all the covering area of an operator. All the radio channels that are available can then be used in each group of cells that form the covering area of an operator. The frequencies that are used then will be reused several cells away.

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Agile Messenger 3.0

by Jamie Lendino

If you have instant-messaging accounts on multiple platforms, it can be a real pain to use several IM clients simultaneously. Some applications, such as the excellent (and free) Trillian, let you combine your accounts under one interface. Trillian doesn’t contain all the latest whiz-bang features such as video streaming, but for day-to-day IM use, it does the job just fine. In a similar vein, Agile Messenger lets you send and receive instant messages from AIM, MSN, Yahoo! Messenger, ICQ, and Google Talk in a tabbed interface—one tab per conversation—all from your smartphone or feature phone. Its high price, however, mars this otherwise excellent mobile-messaging application. Read more…

What is mig33?

Mig33 is a global mobile community that lets you keep in touch with friends and family through a variety of online services, right on your mobile phone.

With mig33, you can chat and send instant messages and emails, make inexpensive international phone calls, share photos, connect with old friends and even meet new ones. Think of it as an addition to your phone’s existing service. Read more…

Mobile Database Viewer(Access,xls,Oracle)for S60 1.5

Mobile Database Viewer (Access,xls,Oracle) for S60 – View Access, FoxPro, dBase, Excel. Oracle and any ODBC enable Database on S60 mobile phone like Nokia 7650,3650. View database tables: all at a time or record at a time.

Requirements:

· Series 60 and Symbian 6.1 Read more…

TOxygenSMS Component for Borland Delphi and Borland C++ Builder

TOxygenSMS component is designed to give an access to SMS and Calendar capabilities of Nokia GSM phone from a Windows program.

SMS section allows you to send, receive, read and delete messages from Inbox, read and write default SMS centre number and many other features like battery and signal level, hardware and software revision and date, phone model type and IMEI. You can send simple text, Unicode strings, flashing and picture messages, ringtones, Operator Logos and CLI Logos. If a message or report arrives the corresponding events occures. All incoming messages can be automatically deleted on thier arrival. Read more…

Bluetooth Framework VCL 5.1.4

Bluetooth Framework VCL is an easy-to-use communication library for Delphi and CBuilder developers which will allow to your applications communicate with mobile devices through Bluetooth, IrDA or Serial interfaces.
Make it possible to discovery devices and services, send and receive files using OBEX profiles, send and recevie SMS using GSM modem of your mobile phone and a lot of other usefull things. Read more…

MobiMB Mobile Media Browser 3.6

MobiMB Mobile Media Browser is a useful program that allows you to manage color wallpaper, operator logos, photos, polyphonic ring tones, and games with this easy-to-use tool.

Browse your gallery folders and drag & drop into your phone.

Using a suitable data cable or infrared, MobiMB can connect to the Nokia 7210, 7250, 5100, 6100, 6200, 6610, 6800, 3510i, 3530, 3595, or 8910i. Read more…

Oxygen Phone Manager II for Symbian OS phones 2.13

Oxygen Phone Manager II for Symbian OS phones lets your PC and mobile phone with Symbian OS communicate with each other.

This version supports the following phones: BenQ P30, Motorola A1000, Nokia 3600, Nokia 3620, Nokia 3650, Nokia 3660, Nokia 6260, Nokia 6600, Nokia 6630, Nokia 6670, Nokia 7610, Nokia 7650, Nokia N-Gage, Nokia N-Gage QD, Panasonic X700, Sendo X, Siemens SX1, Sony Ericsson P800, Sony Ericsson P900, Sony Ericsson P910i, Vodafone 702NK, Vodafone X701. Read more…

Oxygen Phone Manager II 2.9.5

Oxygen Phone Manager is the most complete software tool for managing the content and settings of a Nokia cellphone from a personal computer. It is compatible with nearly all currently available models of Nokia and can communicate with the phone through different types of connections: a cable, InfraRed or Bluetooth device.
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