Session 22 Amzb Mobile Phones 3g

Intelligence Gathering 2G and 3G Handsets

MOBILE PHONES

Understanding the mobile phone and its workings Show understanding of mobile phone storage, sim and usim

LEARNING OUTCOMES

Inside A Cell Phone •A circuit board containing the brains of the phone •An antenna •A liquid crystal display •A keyboard •A microphone •A speaker •A battery

Image of a Nokia 5110

•In the photos, you see several computer chips. Let's talk about what some of the individual chips do. •The analog-to-digital and digital-to-analog conversion chips translate the outgoing audio signal from analog to digital and the incoming signal from digital back to analog. •The digital signal processor (DSP) is a highly customized processor designed to perform signal-manipulation calculations at high speed Front of circuit board

back of circuit board

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The microprocessor handles all of the housekeeping chores for the keyboard and display, deals with command and control signaling with the base station and also coordinates the rest of the functions on the board. The radio frequency (RF) and power section handles power management and recharging, and also deals with the hundreds of FM channels. Finally, the RF amplifiers handle signals traveling to and from the antenna.

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The ROM and Flash memory chips provide storage for the phone's operating system and customizable features, such as the phone directory.

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Some phones store certain information, such as the SID and MIN codes, in internal Flash memory, while others use external cards that are similar to Smart Media cards.

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The display has grown considerably in size as the number of features in cell phones have increased. Most current phones offer built-in phone directories, calculators and games. And many of the phones incorporate some type of PDA or Web browser.

Cell phones have such tiny speakers and microphones that it is incredible how well most of them reproduce sound.  As you can see in the picture above, the speaker is about the size of a dime and the microphone is no larger than the watch battery beside it.  Speaking of the watch battery, this is used by the cell phone's internal clock chip. 

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What is amazing is that all of that functionality which only 30 years ago

would have filled an entire floor of an office building now fits into a package that sits comfortably in the palm of your hand!

Media files  Think

back to last week

Video Images Sound clips

3G  

3G technology is the latest in mobile communications. 3G stands for "third generation"  this makes analog cellular technology generation one and digital/PCS

generation two. 3G technology is intended for the true multimedia cell phone  typically called smart phones  and features increased bandwidth and transfer rates to accommodate Web-based applications and phone-based audio and video files.  

3G comprises several cellular access technologies. The three most common ones as of 2005 are:  CDMA2000 - based on 2G Code Division Multiple Access (see Cellular

Access Technologies)  WCDMA (UMTS) - Wideband Code Division Multiple Access  TD-SCDMA - Time-division Synchronous Code-division Multiple Access

3G    

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3G networks have potential transfer speeds of up to 3 Mbps (about 15 seconds to download a 3-minute MP3 song). For comparison, the fastest 2G phones can achieve up to 144Kbps (about 8 minutes to download a 3-minute song). 3G's high data rates are ideal for downloading information from the Internet and sending and receiving large, multimedia files. 3G phones are like mini-laptops and can accommodate broadband applications like video conferencing, receiving streaming video from the Web, sending and receiving faxes and instantly downloading email messages with attachments. Of course, none of this would be possible without those soaring towers that carry cell-phone signals from phone to phone.

Mobile TV

Mobile TV

Mobile TV 

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Widespread mobile television has been a long time coming. TV-enabled cell phones have been available in Korea since 2002. In that first incarnation, the TV signals were transmitted over a standard cellular network, meaning per-minute watching fees and unbelievable phone bills. In 2003, Samsung and Vodafone introduced phones in Korea and Japan that received local analog TV broadcasts for free. But the video was choppy, and it drained the phone battery.

Mobile TV  The

real "mobile TV revolution" is only beginning as telecom companies release high-quality,

DTV-enabled phones simultaneously rush to build the broadcast networks to deliver the corresponding content.

The basics behind mobile TV

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The basic idea of the TV phone is pretty simple:  It's a cell phone that acts as a TV receiver. If you've

read How Television Works, you know that TV signals are just radio signals.  Cell phones pick up radio signals all the time ○ it's what they do. In the case of TV phones ○ they have the ability to receive radio signals in the TV-

allocated frequency bands in addition to the bands allocated for cell-phone voice data.

 For instance, a TV phone in the United States might

tune in to the 2110-to-2170-MHz band for a conversation and the 54-to-60-MHz band to pick up TV channel 2.

The basics behind mobile TV

 The

signal is the sent to the A/V  The A/V unit the displays the image This is just the same as your Television or TV

tuner card works

Wifi  WiFi

introduces more problems

More devices to look for WarXing device

War Xing  Used

by people to signal to other that they have located a wireless network

Bluetooth  What

extra equipment do you need to locate  BlueJacking

What is Blue jacking  

     

There are lots of types of modern devices that incorporate the Bluetooth wireless communication system as one of their many features. PDAs, mobile phones and laptops are a few of these modern devices. Bluetooth means that Bluetooth enabled devices can send things like phonebook/address book contacts, pictures & notes to other Bluetooth enabled devices wirelessly over a range of about 10 meters. So, we've got past the boring part. Now, using a phone with Bluetooth, you can create a phonebook contact and write a message, eg. 'Hello, you've been bluejacked', in the 'Name' field. Then you can search for other phones with Bluetooth and send that phonebook contact to them. On their phone, a message will popup saying "'Hello, you've been bluejacked' has just been received by Bluetooth" or something along those lines. For most 'victims' they will have no idea as to how the message appeared on their phone. So, personalized messages like 'I like your pink top' and the startled expressions that result is where the fun really starts.

Software  Forensic

Examination

Tulp2g ○ http://tulp2g.sourceforge.net/faq.html Paraben ○ device seizure

The future 

4G handset Data transfer of 10 megabits per second ○ While moving

1 gigabit per second ○ when stationary

This would allow users who are not on the move

to download a movie in less than six seconds or 100 songs in less than three. This kind of instant access, according to mobile operators, will provide the instant appeal that 3G, with nowhere near that kind of pulling power, lacks.

Summary of phone info                      

Make and Model of the mobile handset. Mobile Subscriber International ISDN Number (MSISDN) A memory location available to the Network provider to store the subscriber number The memory location can be edited/ modified by the users. Integrated Circuit Card ID (ICCID) the sim cards serial number Service Provider Name (SPN) Name of the Service Provider. Abbreviated Dialling Numbers Telephone numbers stored in handset memory (phone Book) Last Numbers Received Telephone numbers of inbound calls. Last Numbers Dialled Telephone numbers of outbound calls Missed Calls. Telephone numbers of missed calls. Short Messages (SMS) All SMS messages on the handset Calendar Entries All information stored in the calendar Photographs stored in handset All photographs stored on the Handset Video stored in handset All videos stored on the handset Smart Media/ Compact Flash All media stored on Memory cards MMS Messages* All MMSmessages on the handset Sim Card Link Integrated Circuit Card ID (ICCID) the sim cards serial number International Mobile Subscriber Identity (IMSI) A unique identifying number held on the Sim allowing a gsm network to identify the phone. Mobile Country Code (MCC) A three digit code that defines the originating home country of the sim card. Mobile Network Code (MNC) a two digit code representing the originating home network of the sim. Mobile Subscriber Identification Number (MSIN) A unique ten digit identifying number used to identify the subscriber to the Network. Mobile Subscriber International ISDN Number (MSISDN) A memory location available to the Network provider to store the subscriber number The memory location can be edited/ modified by the users. Abbreviated Dialling Numbers Telephone numbers stored in sims memory Short Message Services (SMS) A Short Message Time and Date relates to when a message was received by the senders network (SMSServiceCenter) to included any Deleted Messages found on sim.

Summary of Intell  Text

message’s  Picture messages  Video and still’s images taken on phone  Calendar event  Phone call records Missed Last received Last dialed

Service provider intell  Time

date and location of

 Calls  Texts  The

phone when state changed

( turn on or off)

That all folks 

Thanks for listening Presented by

Martin Zeus Brown Music ○ Banana Phone by Raffia

Arron

Extra reading  mobile

intel self study PDA  mobile intel self study SIM  mobile intel self study Toolkit  mobile intel self study Security  mobile intel self study SMS  mobile intel self study  mobile intel self study