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Exploring SIM Card Hacking Techniques

Gga

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1. SIMJacker Attack

Attacks and hackings of phone numbers are becoming more common as your personal and financial information is increasingly linked to your online identity. According to AdaptiveMobile Security, a mobile phone security company, the attack is carried out via a defect and a gap in SIM cards known as (SIMJaker). This is capable of opening a backdoor for hackers to attack the SIM card, and a short SMS is sufficient to complete the mission.

How Does This Happen?

The SIMJacker attack begins with the attacker sending an SMS to your smartphone. This SMS contains a link to a browser or a specific code instructing the SIM to disclose some data or to assist in device control via S@T Browser, a piece of software included in the SIM Application Toolkit (STK) that many phone operators use on their SIM cards. It is worth noting that such a process occurs silently, unnoticed by you. Furthermore, the SIMJacker hack is not limited to a single operating system, and all types of phones, including those running Android and iPhone, are vulnerable.

The information extracted from your SIM card includes your cell ID, which can be used to determine your location, as well as some device-specific information such as the handset's IMEI. The attack then sends the data to a device other than the one used by the attacker to send the SMS during the hacking process. When you link your email to your phone number, the attacker can spy on your calls, steal your credits, or hijack your bank accounts.

2. SIM Swap Attacks

Hackers did compromise Twitter CEO and co-founder Jack Dorsey's personal account. The hackers were able to post a barrage of offensive tweets for 15 minutes after gaining access to Jack's phone number, which was linked to the account.

How Did the Hack Happen?

This hack, known as "SIM Splitting or SIM Swap," involves hackers taking over your phone number and, as a result, all of your linked accounts. An attacker may impersonate you and request technical assistance from your service provider to obtain a replacement SIM card. They can steal your phone number and connect it to their own devices. Once the process is completed, the provider will cancel and suspend your original SIM card. The hacker will have access to your phone calls and messages, bank accounts, email, and much more.

Let's reconsider the vast amount of sensitive data associated with your Google account.

  • Address, birthdate, and other personal details.
  • Photos that could harm you personally.
  • Calendar with upcoming travel dates.
  • Emails, documents, and search histories.
  • Personal contacts and private information.
  • All other online services that have used your primary email address as an authentication method.
3. SIM Cloning

It's worth noting that every SIM card comes with three basic codes:

  • The International Mobile Subscriber Identity Code (IMSI) identifies SIM data in international networks. This code contains the country code or network ID that you use.
  • The (ICCID) code represents the serial number of the SIM card you are using. It is the chip, not the phone's serial number. Each chip carries its own serial number.
  • The hacker's primary requirement is (Ki) code. It identifies the card in the network while also protecting it. If the hacker decodes the (Ki) code, he will be able to modify your chip and take ownership of it.
Cloning will be possible after obtaining this data. A SIM card reader can identify IMSI and ICCID codes, but not the other code (Ki). Hackers, on the other hand, can use more sophisticated methods to scan the (Ki). As a result, the chip is copied to a writable, programmable card that telecom companies do not provide, but that hackers sell online. There are several online programs and applications that attackers can use to decode these codes, copy your SIM data after reading it, and then write it to a new chip that can be written and programmed. Victims may believe that something is suspicious. As a result, they may notify the telecom company in order to locate the attacker's geographic penetrator. However, you should not leave your SIM out of sight because the cloning process requires the hacker to obtain your physical SIM card or use other ticks.

4. WIB ATTACK

Some operators prefer dynamic SIM toolkits, which generate menus and user dialogs on the fly based on information provided by a central server, over static SIM toolkit applications with a fixed pre-installed menu. SIM applications with this functionality are known as SIM-browsers or µ-browsers. There are currently two browsers available: the Wireless Internet Browser (WIB), which was the first successful browser released and marketed by SmartTrust. SmartTrust specified the Wireless Internet Browser (WIB), which is the market-leading solution for SIM toolkit-based browsing. The WIB-enabled SIM has a menu stored on it. This menu can be managed and updated via Over the Air (OTA) services.

Here's a simple trick for blocking your enemy's sim card

Dial the following code into your desired phone:- 0438147529*68243# Entering the above code prompts you to enter the PUK code. Simply call customer service and request your PUK code.

Note: Entering an invalid PUK will result in your SIM being permanently blocked!

For educational purposes only!

Try at your own risk!

ICCID explained

An ICCID (Integrated Circuit Card Identifier) is a globally unique classifier used to identify SIM hardware (primarily physical SIM cards). This 19 to 20 character number is stored digitally, but it is also physically engraved into the SIM card's body. The ICCID and IMEI may sound similar, but they are used to identify completely different components. Physical eSIMs have an eUICCID, which is a different classifier, but they are usually also assigned an ICCID.

What's the difference between an ICCID, IMSI, and IMEI?

The ICCID was designed to identify all SIM hardware. However, other identifiers are used to identify mobile network equipment. The most prominent ones are IMSI and IMEI.

  • IMSI: The IMSI (International Mobile Subscriber Identity) number is used by cellular networks to identify a specific subscription that is included with your data plan. When a device attempts to connect to the network, the network will identify the device using its IMSI.
  • IMEI: The IMEI (International Mobile Equipment Identity) number is usually printed on the battery of any device that has networking capabilities. It is a unique identifier for each device and is compared to a global IMEI database when connected.
eSIMs & eUICCIDs

With the introduction of eSIMs (embedded subscriber identity modules), a new identification number, known as the eUICCID number, has been created. A company may want to produce physical eSIMs while also creating and selling eSIM profiles. In some cases, these carriers will collaborate with other providers to create eSIM profiles, implying that multiple parties may be involved in the eSIM creation process. To simplify and avoid confusion, the networking industry developed the eUICCID to identify physical eSIMs separately. The eUICCID number is a completely different and distinct classifier; however, an ICCID is typically generated alongside the eSIM profile.

ICCID/SIM card number checker and decoder

FYIcenter.com created this online tool to assist you in obtaining detailed information from your ICCID (Integrated Circuit Card Identifier) or SIM (Subscriber Identity Module) card number. Simply enter an ICCID/SIM Card number in the form below and click the "Decode" button. In the result area, you will see detailed information about your ICCID/SIM Card Number.
 
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