ION,
Obama admin wants warrant-less access to cell phone location data: http://arst.ch/ss8

./bernard


On Wed, Mar 7, 2012 at 12:04 PM, ty <tyruskam@gmail.com> wrote:
Agreed. All am saying is that there exist inherent and well documented GSM flaws which networks have ignored for years even after recommendations from GSMA.  But like you said your course is governed by ethics. Perhaps this is a discussion for another forum :-)

-ty

On Wed, Mar 7, 2012 at 11:45 AM, Moses Muya <mouzmuyer@gmail.com> wrote:
@Ty

I would only go for legal ways of achieving these two objectives.I doubt that any MNO will appreciate a person 'breaking' into their network in the name of pursuing a worthy cause! :) Then of course there is the ethical part,there are many things that a I.T/Telecoms professional can do but that does mean they should do them! :)


On 7 March 2012 11:24, ty <tyruskam@gmail.com> wrote:
Well Moses, Granted that maybe so but flaws in the very nature of GSM allow anyone with the right equipment (some very basic by the way) to perform a whole spectrum analysis.. :-) 

On Tue, Mar 6, 2012 at 7:11 PM, Moses Muya <mouzmuyer@gmail.com> wrote:
@Bernard

Awesome!Thanks for the feedback!That is one more piece of the puzzle in its correct place...


On 6 March 2012 18:58, Bernard Mwagiru <bmwagiru@gmail.com> wrote:
" are mobile ip addresses mapped on to mobile numbers i.e  197.176.*.* to 0725****** ? "
Yes they are. Both dynamically or statically.

The dynamic IP address<> Mobile Number mapping at a point in time can be retrieved. Bear in mind, the dynamic IP pool allocation can be almost immediate.
Static IP address<> Mobile Number can be obtained at any time, for as long as the number is still active and has not been deleted.


./bernard


On Tue, Mar 6, 2012 at 6:37 PM, Moses Muya <mouzmuyer@gmail.com> wrote:
@Anthony

Very nice,the link was quite helpful.Thanks!

@Ty

The 'silent sms' sounds like a good option for 'mobile ping'.Nevermind that it would cost at least 1 shilling to 'ping' once!  :) But I like the idea behind it and I would be open to pursuing it from that angle.Thanks!

@John

Thanks for the pointers.I was thinking more in terms of feature phones - where the provision for installing apps doesn't exist.It looks like user privacy is taken care of better on 'non-smart phones'.Imagine all this trouble to find the location of device X and yet if it were a smart phone,a simple 'allow gps location' would do the trick! :(  Tell me John,are mobile ip addresses mapped on to mobile numbers i.e  197.176.*.* to 0725****** ? In theory,if I went to Safaricom/Airtel/Orange and gave them one of numbers on their network,would the tell me which ip address is assigned to it at that point(assuming they are dynamic ip adds.)

@Gisho and Ty

That would be possible but I am informed the MNOs will only release this info to law enforcement agencies. :(


Thank you all for the answers!


On 6 March 2012 16:09, ty <tyruskam@gmail.com> wrote:
Better yet, simply pay for a HLR Lookup from companies that sell info for pennies to the dollar. Again your motives come to play.

-ty

On Tue, Mar 6, 2012 at 3:30 PM, gisho <gichuhie@gmail.com> wrote:

Am not sure about this but i think if you have SS7 link there are a number of queries you can make to HLR of the host provider if its not blocked

 

On Tue, Mar 6, 2012 at 7:05 AM, John Gitau <jgitau@gmail.com> wrote:
If it is you can't rely on it. I can guarantee it will be blocked the moment you start using it. I'm thinking you're stuck with apps that users install and allow to share the information. Privacy is/will be a serious issue. Anyway a few apps that I think do what you seem to need ( I'm not too clear on your needs)...

Instagram
Pinterest
Sonar
Ban.jo

Since phones by default tell the network where you are, you can do apps that umm use 'ambient social networks' + location. In this case your on phone contacts could be a social network..

oh and a connected data enabled phone can technically be 'pinged'.

Other option is to 'break' gsm if they don't give access:-)

Sent from my iPad

On 6 Mar 2012, at 01:51, Bernard Mwagiru <bmwagiru@gmail.com> wrote:

Not sure whether this is enabled, especially considering that it can be used by sms spammers...Its a worth a check.

./bernard

On Mon, Mar 5, 2012 at 11:23 PM, ty <tyruskam@gmail.com> wrote:
If you look at it from a GSM front you will realize you can implement "Silent SMS" to "ping" any user on the SS7 network anywhere in the world. Not sure if this is what you are looking for though. Just a suggestion. 

-ty

On Mon, Mar 5, 2012 at 5:52 PM, Anthony Lenya <tlensya@gmail.com> wrote:
Mose,

More pointers,

http://developer.android.com/guide/topics/location/obtaining-user-location.html

Regards




On Mon, Mar 5, 2012 at 5:39 PM, Memusi <tonatech@gmail.com> wrote:
PLEASE CALL ME.MIGHT WORK.Hehehehehehe.This is call dont try this at home.Am sure its all possible but under special scenarios with special interception equipments 


On Mon, Mar 5, 2012 at 3:11 PM, Moses Muya <mouzmuyer@gmail.com> wrote:
Very well,thanks!The info you have provided will be of great help.


On 5 March 2012 15:07, Bernard Mwagiru <bmwagiru@gmail.com> wrote:
Yes, the information(UP/DOWN) is readily available to law enforcement institutions.

Where,
UP = The line is attached on the network, and this includes its location. Location here means its cell ID in Hex.


./bernard



On Mon, Mar 5, 2012 at 2:56 PM, Moses Muya <mouzmuyer@gmail.com> wrote:
What are your intentions for this knowledge, Moses? 

Good intentions I assure you!It involves the development of a mobile application.Sorry,I cannot go into the details since that would breach the terms of a certain NDA agreement and I am a coward when it comes to dealing with witty lawyers! :)

I assume what you want to find out is the BTS (signalling towers) that last received the signal of the phone/MSISDN in question. Only law enforcement agencies e.g. NSIS have direct access to lawful interception gateways (which readily have this info in real time)or at least can get the last Cell/site ID(a.k.a cellular triangulation info) of the phone/number via internal anti-fraud telco staff.

FYI, cellular triangulation info is not as primitive as you put it. I was comparing it to GPS,which I would argue is more advanced.

Every mobile phone sends this info on initiating a call or while performing hand-overs between BTSs. Tapping this info requires you to intercept  and reconstruct a GMSK modulated digital signal, perform some frequency hopping, decode a TDMA/CDMA architecture, A3 key decryption between SIM and Authentication centre/HLR...etc..etc...   The only part I understood here was '...Tapping this info...' ,after that everything sounded like this : ###$%$%^%&%&^*&*(%#$%%^%&^*& ! :) Thank you nonetheless,this gives me a lot to chew on as I research on ways of achieving the stated objectives.

Its an incredibly long shot my friend...Your intentions might be good but I doubt you can get this information. Yep,my intentions are good(as explained above).From your explanation,I take it that MNOs readily have this information at any given time  and the only obstacle that remains is for an individual or organisation to access it,right?

How about the status of a number,is there a way to know whether it's up or down the way you would on an IP network?

On 5 March 2012 14:26, Bernard Mwagiru <bmwagiru@gmail.com> wrote:
What are your intentions for this knowledge, Moses? 

I assume what you want to find out is the BTS (signalling towers) that last received the signal of the phone/MSISDN in question. Only law enforcement agencies e.g. NSIS have direct access to lawful interception gateways (which readily have this info in real time)or at least can get the last Cell/site ID(a.k.a cellular triangulation info) of the phone/number via internal anti-fraud telco staff.

FYI, cellular triangulation info is not as primitive as you put it.
Every mobile phone sends this info on initiating a call or while performing hand-overs between BTSs. Tapping this info requires you to intercept  and reconstruct a GMSK modulated digital signal, perform some frequency hopping, decode a TDMA/CDMA architecture, A3 key decryption between SIM and Authentication centre/HLR...etc..etc...

Its an incredibly long shot my friend...Your intentions might be good but I doubt you can get this information.

./bernard


On Mon, Mar 5, 2012 at 1:53 PM, Moses Muya <mouzmuyer@gmail.com> wrote:
Skunks,

I have two 'stupid' questions.

1.0 When you want to know whether a host on network is up or down you ping it,right?Is there an equivalent on mobile phones?If I want to know whether 0725****** is an operational 
      number,is there a way of finding out without calling the number or calling Safaricom to ask them about it?

2.0 We know the location of a mobile device can be discovered using GPS or Cellular tower triangulation.If,for example,a person is using a feature phone then GPS is out of 
      question.Is there a way to tap(for lack of a better word) into the service provider's triangulation info and send the info to the mobile number or store it for other uses?Think of it as 
      a primitive navigation system.

Anyone even with remote knowledge of how these two work will be of great help to me right now!

--
Kind Regards,

Moses Muya.


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Communication is vital in this century....

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