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Most providers assign certain number series to certain places. All the SIMs sold at a particular location at a particular period of time can be in the same series. With a little bit of research we can identify potential numbers in a location.
Another method is to gain access to corporate databases, where customer numbers will be stored. Modern banks provide SMS alerts, and they are a good place to start looking. If you have a friend inside its really easy pulling up mobile numbers.
Another place to look is social networks, but will require some amount of programming skills. Many provide their mobile numbers in their orkut profiles. A small tool can dig out all the mobile numbers in a particular community, or a particular friends list.
Some advanced techniques would be to use a mobile worm or a virus, which can read contact lists from mobile phones and send them to a central server without the knowledge of the user. Some bluetooth worms can do this.
Once you have enough numbers with you, you need to refine the list by finding out the genuine numbers. This can be achieved by sending a test message with a fake sender ID to all the numbers and wait for delivery reports. All delivered numbers can be used for the attack.
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2 comments ↓
Is this a slightly evil twin of Kenney talking? heh heh.
Man, this is the sort of spammy marketing mistakes Indian startups are doing and getting bad press for.
Its fine to write an academic post about technique, though.
hello there,
can u provide me all the mobile numbers of nagpur city or thr series exact i am ready to pay for that.
if yes mail me
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