Difference between pages "SIM Forensics" and "Sim forensics"

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''Under Construction''
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#REDIRECT [[SIM_Forensics]]
 
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The [[SIM Card]] is the basic memory device inside of many mobile phones in use today. This small piece of hardware has been key to solving many cases in the world of [[SIM Card Forensics]]. However, without the proper knowledge of the SIM card's filesystem, the user will be missing out on all the valuable information the [[SIM Card]] holds.
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== Getting Started ==
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[[File:What_you_need.jpg|250px|thumb|Items you'll need]]
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This is a list of items to get you started on reading SIM Cards and their information:
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# [[Windows]] operating system
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# [[SIMCon]][http://www.simcon.no/]
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#* Program used to read SIM Cards
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# [[SIM Cards]]
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# SIM Card Reader
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== Quick Guide for SIMCon ==
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# Make sure the SIM Card Reader with SIM Card is connected
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# Open [[SIMCon]]
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# Click File > Read SIM or Click [[File:Simcon.png]] in the upper left corner of [[SIMCon]]
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# Click OK when the next dialog box pops up
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#* '''Note''', some SIM cards are locked. This is where the PIN needs to be entered if known.
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#* If the PIN is unknown, the SIM cannot be read.
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# Click OK again when the next dialog box pops up
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== Definitions ==
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=== MF ===
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* Only '''one''' MF
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* The Master File (MF)
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* Root of the SIM Card file system
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* Equivalent to the root directory or "/" in the Linux filesystem
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=== DF ===
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* Dedicated Files (DF)
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* Equivalent to a folder in a Windows/Linux filesystem
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* Usually three DF's
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** DF_GSM / DF_DCS1800 / DF_TELECOM
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==== DF_DCS1800 / DF_GSM ====
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* Contains network related information
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* Specifying data in DF_GSM writes only to DF_GSM on the SIM
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* The SIM is expected to mirror GSM and DCS1800
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==== DF_TELECOM ====
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* Contains the service related information
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=== EF ===
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* Elementary Files (EF)
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* Holds one to many records
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* Represent the leaf node of the filesystem
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* EF's sit below the DF's in the filesystem hierarchy
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=== PLMN ===
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* Public Land Mobile Network
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** A PLMN is a network that is established and operated by an administration or by a recognized operating agency (ROA) for the specific purpose of providing land mobile telecommunications services to the public. [http://en.wikipedia.org/wiki/Public_land_mobile_network]
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=== LAI ===
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* Location Area Identity
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** Each location area of a public land mobile network (PLMN) has its own unique identifier which is known as Location Area Identity (LAI). [http://en.wikipedia.org/wiki/Location_Area_Identity]
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== Filesystem ==
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=== EF_ICCID ===
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This displays the ID or Card Identity of the SIM Card, this can also be found on the SIM card itself.
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[[File:Ef_iccid.png|350px|thumb|left|EF_ICCID]]
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----
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=== DF_GSM ===
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==== EF_IMSI ====
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* International Mobile Subscriber Identity (IMSI)[http://en.wikipedia.org/wiki/IMSI]
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* 310  -  260  -  653235860
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* MCC  -  MNC  -  MSIN
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** MCC[http://en.wikipedia.org/wiki/List_of_mobile_country_codes] (3 Digits)
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*** Mobile Country Code
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** MNC[http://en.wikipedia.org/wiki/Mobile_Network_Code] (2 Digits EU / 3 Digits NA)
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*** Mobile Network Code
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** MSIN[http://en.wikipedia.org/wiki/MSIN] (Remaining Digits)
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*** Mobile Subscription Identification Number
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*** Within the network's customer base
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[[File:Ef_imsi.png|350px|thumb|left|EF_IMSI]]
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----
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==== EF_PLMNSEL ====
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* List of all PLMN's (see [[Sim_Filesystem#PLMN]])
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[[File:Plmnsel.png|350px|thumb|left|EF_PLMNSEL]]
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==== EF_LOCI ====
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* Location Information
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** Contains Location Area Identity (see [[Sim_Filesystem#LAI]])
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*** LAI Network Code (see [[Sim_Filesystem#PLMN]] / [[Sim_Filesystem#LAI]])
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[[File:Ef_loci.png|350px|thumb|left|EF_LOCI]]
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=== DF_TELECOM ===
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==== EF_ADN ====
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[[File:EF_adn.png|350px|thumb|left|EF_ADN]]
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Latest revision as of 11:26, 12 April 2011