OSINT how i can tracked mobile phone?

  18-Dec-2022 06:00:22

Hallo there

I have found this https://github.com/Jieyab89/OSINT-Cheat-sheet, https://github.com/zelsaddr/OSINT-Cheat-sheet-.  I have searched for the owner of this repo in this repo there are things that I'm interested in and have questions

this site https://www.airdroid.com/parent-control/how-to-track-phone-using-imei-online/ & imei-tracker.com explains how to track a mobile phone by IMEI from what I read and searched know I'm still having trouble and struggling understanding about this. Here is my question
1. Can this site imei-tracker.com site do this?
2. Can anyone track IMEI with a third party website or IMEI tracker service?
3. Tracking the phone number and IMEI is same method?
4. Can IMEI be changed? How?
5. How to track my lost phone without using IMEI and phone number?
6. Is there hardware and software to track IMEI?

Can someone help me understand mobile tracking by localization

*Beware click the link!


Probably, im not sure answer this im still research, read and learn about signal and GSM and others. Correct me if there is any wrong information (CMIW) I will answer your question. IMEI is a unique 15-digit number that is used for serialization on the device you are using, for example smartphones, laptops and hardware to see date purchase, device information, warranty, when the device is turned on or active and so on, In my country there are institutions from the government that can do this, for example "kominfo, police, provider, bea cukai" The Central Equipment Identity Register (CEIR) will help those whose mobiles are lost or stolen, as they will be able to inform the Department of Telecom (DoT) via a helpline number after filing a report with the police.

1. Can this site imei-tracker.com site do this?

No, and I have never tried with this (beware scam) I just try to see device details but not to the location only basic information


IMEI num : 355112????????
Result :
Model :iPhone 13 Pro Max (IPHONE 13 PRO MAX) A2643
Brand : Apple
Activation Status: Activated
Warranty Status: Apple Limited Warranty
Telephone Technical Support: Expired
Valid Purchase Date: Yes
Registered Device: Yes
Replaced Device: No
Loaner Device: No
Carrier/SimLock Info: HERE (FREE)
Find My iPhone: OFF
Blacklist Status: Clean
and other things

you can see in my repository (imei check) if you want to believes please try on the site (imei-tracker.com) try itself

2. Can anyone track IMEI with a third party website or IMEI tracker service?

Maybe, you can track with sites or services that have collaborated with governments, operators and others. But this requires strict permits and authorization. Can't do something like that easily or without permission because it's about privacy

3. Tracking the phone number and IMEI is same method?

From what I've read and I understand these are related, Operators can do ISD, HLR, SRI-SM. SRI (sent routing info) for SM (sort message) is the reapon from HLR (home location register) to SMC (sort message service center) using tower triangulation (BTS) to find. You cannot ask the operator to provide you with a location report. Phone company or provider does all the tracking when someone calls your cell phone number, the cell phone system already knows where you are this is a built in function of the tower (BTS) Whenever there is a phone call, call details are recorded by service provider (operator) So when you call someone or receive a call all call related details like call duration, caller info, phone number, IMEI number and location area code will be recorded at the nearest cell tower You can read about Triangulation, Trilateration, Multilateration. Agencies, providers or operators and hackers (maybe) have the ability to do that

*IMEI pinning is possible when the stolen phone is activated (powered on). If the phone is not activated, we can deal with the final stages of the phone (last location) At the last stage you will be able to know where the phone was deactivated (powered off).

4. Can IMEI be changed? How?

Idk, I haven't done this in practice, but from what I've read it does, you can change your IMEI


5. How to track my lost phone without using IMEI and phone number?

Hmmmmm, i think spying (monitoring) apps which can be installed on phone, email like i cloud, find my phone and other, but if you lost phone you can try this procedure

- Prepare a copy of the IMEI number that you have saved.

- Contact the call center or operator according to the cellphone brand you are using or call the police.

- Tell them you have lost your phone and give them the IMEI number.

- After that, the operator will track if your IMEI number unit is found.

if your phone is stolen or lost, you should report it to your operator and police by telling them your manufacturer, model, imei number, color, some specialrecognizable details (if any), place and date where it was stolen and some other circumstances that could help them to find or locate your mobile phone

6. Is there hardware and software to track IMEI?

You can search itself :D

I can't answer in detail here because it might harm me or this forum, I can't answer for sure and in detail and I'm not 100% sure of what I wrote, if there's something wrong, please correct it. Thakns for visiting my github repo don't forget give it stars and share w your firends. You can read on this


My advice, don't trust IMEI location tracking sites, phone number track location sites. I don't know this in depth, if my answer is lacking or you still curious. You try to ask people like security forces, employee at the operator (provider), telco, gsm cell, RF. This is a tricky question for me. OSINT is not easy, moreover it includes signaling (SIGINT and ELINT) and others where we do not have full authority access to what we want to search for. Hope this helps, this is a recommendation from me that I've read in the past

- https://www.seminarsonly.com/Labels/Sniffer_for_detecting_lost_mobiles.php

- https://sci-hub.se/https://ieeexplore.ieee.org/document/7345408

- https://indianexpress.com/article/technology/mobile-tabs/imei-number-india-track-stolen-mobiles-phones-how-to-find-imei-what-it-does-5790035/

- https://sci-hub.se/https://ieeexplore.ieee.org/abstract/document/8769521

- https://sci-hub.se/https://ieeexplore.ieee.org/abstract/document/9012000

- https://en.wikipedia.org/wiki/Cell_of_origin

- https://forum.seccodeid.com/d/apa-itu-imsi

- https://commons.lib.jmu.edu/cgi/viewcontent.cgi?article=1013&context=master201019


18-Dec-2022 19:53:13

I once reported it to p***** indonesia, I had my cellphone stolen & laptop in the car was reported from last year march 2019 until now, there has been no answer or results from them 😜


18-Dec-2022 19:56:39

In my region this called ‘ladusing’ 


19-Dec-2022 08:40:50

Lol i see what you mean


20-Dec-2022 00:35:14

Hahaha, try call grapari or contact service center provider example xl-center


20-Dec-2022 06:42:24

Block IMEI so that thief cannot use operator services, ISILOP indonesia can actually do it by working with operators as evidence of cases such as the red kebaya, bully artists, presidents, agencies. The actor can be tracked and the perpetrators found, you can understand this how they serve us, not only you i have also lost my smartphone


19-Dec-2022 11:53:02

Thank for your answer i was read your references, but i have other question here
1. Are calls like gsm and cdma encrypted? For example, if I call my mom, then is the cellular call encrypted? And people like cake operator providers,
i.e verizon, NTT docomo, etc can recognize the chat?  
2. Complementary relationship among SIGINT and ELINT
3. How do hackers and terrorists avoid tracking and evading?


20-Dec-2022 00:45:14

1. Are calls like gsm and cdma encrypted? For example, if I call my mom, then is the cellular call encrypted? And people like cake operator providers, 

i.e verizon, NTT docomo, etc can recognize the chat?  

The call, SMS is not encrypted, it is clear that the call can be known by the provider, the contents of the package. But not saved. If you've ever heard of 

SS7 (protocol there are five layers, this is OSI on telco) SS7 is an old technology, while SS7 was the foundation for signaling in 2G/3G circuit switch networks and it will not be used anymore in the future, now it is being replaced by volte like 4g and LTE 

voice over data (read on bottom link)

Hint : You can use sigploit tool, SDR and wireshark to intercept TCAP

*I don't much understand this telco

2. Complementary relationship among SIGINT and ELINT 

Signals Intelligence (SIGINT) is intelligence-gathering by interception of signals, both communication signals between people (communication intelligence - abbreviated as COMINT) and from electronic signals that are indirectly used in communication (electronic intelligence - abbreviated as ELINT).

Signal intelligence is a subset of intelligence gathering management. Sensitive information is often encrypted, so signal intelligence eventually involves using cryptanalysis to decipher encrypted messages.

Electronic signal intelligence (ELINT) refers to intelligence-gathering using electronic sensors. Its main focus lies on non-communication signal intelligence

The data collected is usually related to the electronics of adversary defense networks, especially electronic parts such as radars, surface-to-air missile systems, aircraft.

ELINT can be used to detect ships and aircraft with their radar and other electromagnetic


ELINT allows traffic analysis to be performed on electronic emissions that contain human encoded messages. The analysis method is different from SIGINT analyze radio transmission and its position through triangulation

Other ELINTs include intercepting and analyzing signals

3. How do hackers and terrorists avoid tracking and evading?

Idk, I haven't research much about this, just wait, maybe someone will answer

I want to ask you, from what I have read and analyzed, have you learn OSINT before? looks like you've learned this before

Read on here 

- https://www.fcc.gov/general/voice-over-internet-protocol-voip

- https://www.zdnet.com/article/5g-networks-could-be-vulnerable-to-exploit-due-to-mishmash-of-old-technologies/  

- https://www.bleepingcomputer.com/news/security/most-ss7-exploit-service-providers-on-dark-web-are-scammers/

- https://blog.mobileum.com/mobile-volte-fraud

- https://www.efani.com/blog/ss7-attack

- https://www.cellusys.com/2019/08/29/what-is-tcap/

- https://www.nsa.gov/portals/75/documents/about/cryptologic-heritage/historical-figures-publications/publications/misc/elint.pdf

- https://id.wikipedia.org/wiki/SIGINT

- https://www.techtarget.com/whatis/definition/ELINT-electronic-intelligence

- https://en.wikipedia.org/wiki/Signals_intelligence


20-Dec-2022 04:59:01

Are you sure there is no encryption or a certain algorithm in it?
Other question!  
Your answer there is a HLR I have tried this it only detects when and where it is activated then what data does the operator store in the HLR and stuff? Can you give more information about sigploit?


20-Dec-2022 10:25:22

From what I have read and I understand the answer is yes. And I asked my friend he had worked at Indonesian operators or providers such as XL, Indosat, Telkomsel and had been the Head Network he called Syamsul. This is about the architecture inside cellular or telco. Example below:

- HLR (Home Location Register)

The Home Location Register (HLR) is the subscriber's database in the home network. Each subscriber is stored in only one HLR the operator may have more than one depending on number of subscribers. The HLR is responsible of holding the following information:

(1) User identification (IMSI) and Numbering


(2) User security information: Network access contral

information for authentication and authorization (K;, Ke).

(3) User location information: Mobile switching

centerNisitor location register (MSC/VLR), that a user is

currently attached to, as well as_ cell ID.

(4) User profile information: Services that the user is

subscribed to. For instance call forwarding, current

balance,.. etc. The HLR also generates user security

information for mutual authentication, communication

integrity check and ciphering

- VLR (Visitor Location Register)

A VLR is responsible for a specific region. Each subscriber traveling to a particular region is connected/attached to her VLR responsible for that region. The VLR acts as a temporary database for the duration of roaming subscribers. Has the same information as home network HLR

*Some I have explained in the previous comments

- MSC (Mobile Switching Center)

Cells (BTS towers) are connected to an MSC. The MSC is responsible for route and switch calls, SMS and data from and to the subscribers attached to it

*Some I have explained in the previous comments

- SMSC (Short Message Switching Centre)

Sending and delivering short messages (SMS) to subscribers

*Some I have explained in the previous comments

- STP (Signal Transfer Point)

Is a node in an SS7 network that routes signaling messages based on their destination point code in the SS7 network. Gateway (router) of the carrier, which is responsible for all routing, routing, and delivery of SS7 messages.

Detail info, you can read on botton link 

Operators or providers have databases that store HLR customer information/profiles for each operator in only one HLR. The HLR stores important information including:

- Services like calls, SMS other things

- IMSI (International mobile subscriber identity)

- IMEI (International Mobile Equipment Identity)

- MSISDN (Mobile Station International Subscriber Directory Number)

- Last location

- Subscriptions

Read here 

- https://dione.lib.unipi.gr/xmlui/handle/unipi/12489 

- https://www.sciencedirect.com/science/article/pii/S0167404822004394 (SCI HUB CANT BYPASS) 

- https://sci-hub.se/https://ieeexplore.ieee.org/document/8436820

- https://www.researchgate.net/publication/267409463_IMS_Signalling_in_LTE-based_Femtocell_Network

- https://repository.telkomuniversity.ac.id/pustaka/95715/analisis-kinerja-signaling-ims-yang-diterapkan-pada-jaringan-publik-ip-di-operator-telekomunikasi-berbasis-gsm-dan-cdma.html 

- https://en.wikipedia.org/wiki/Signal_Transfer_Point

*Include about sigploit 


20-Dec-2022 10:28:25

You can learn arch on my reff 


You need call this he can help you 


There is hardware and software for it, I won't tell you but I will give you a little information about price of this device it is expensive you can buy a car to try it or buy an affordable price range but less features happy hacking


19-Dec-2022 11:38:23

Can you explain it please?


19-Dec-2022 08:40:00

Every time you make a call, the details of the call are recorded by your service provider. Let us elaborate on this process. Your mobile phone is registered with the nearest mobile phone base station. If you move to another location, your phone will register to another tower. This process is called "triangulation" and involves determining the nearest cell tower based on distance, signal strength, tower capacity, and several other factors. See Wikipedia for more information.

So when you call or receive a call from someone, all the details related to the call such as call duration, caller information, phone number, IMEI number, area code etc. will be recorded in the nearest cell tower. This information is shared with service providers.

The police officer contacts his provider of services and provides all the details of the call. Cops themselves don't use software. There are currently some scenarios where call tracking is a little more difficult.


lost or stolen phone

In such cases, the SIM card is more likely to be replaced. So tracking by phone number is useless. Using a new SIM card will register his IMEI in the phone with the new SIM card number. The police will use her IMEI number to trace the call using the steps above. Alternatively, you can use an online tool such as Find Phone By IMEI to determine the phone's region by IMEI first. Then contact your local wireless carrier and provide the call details.

Phone is off

This is the most complicated case. If you turn off your mobile phone, no information will be passed. In such cases, police officers can only access your call history up to the time your phone was on.

Changing IMEI? The answer is yes you have to have more knowledge, experience and it is difficult to do 


19-Dec-2022 11:56:01

Can you add site "Find Phone By IMEI" So when the smartphone is not active, are there other possible ways to track it?


19-Dec-2022 12:27:06

You can use it https://support.google.com/store/answer/3333000?hl=en  google find my device for apple i dont know i never use apple if your phone turned off i think there is no way to tracking 


20-Dec-2022 05:00:33

Thank odet! But how about laptop?


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