Check SIM Card specifics remotely with Cocospy:
- View Network/Carrier details.
- See network-based location.
- Check the IMEI Number.
- Be notified when the SIM is changed.
3 Simple Steps For SIM Card Tracking
The SIM card inside your phone is a small plastic chip that tells your device which cellular network to connect to, and which phone number to use. We rarely ever think about SIM cards, except. SIM unlock for HTC phones. This is another app used to unlock SIM cards of your HTC devices. Just like any other application, the installation is free but asks for cash to get the codes. Unlike other apps, it provides an interface that assists while unlocking your SIM. They accept both credit card and PayPal as a mode of payment. According to AdaptiveMobile Security, which is a company specialized in mobile phone security, the attack takes place through a defect and a gap in the SIM cards called (SIMJaker). This is capable of opening a back door for the hackers to attack the SIM card, and short SMS is enough to do the mission. How Does It Happen? A subscriber identity module or subscriber identification module (SIM), widely known as a SIM card, is an integrated circuit running a card operating system (COS) that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers). The SIM card contains all the account details your phone needs to make and receive calls—including generated passwords, or PIN codes. If you forget or lose the PIN code, you can use the PUK code to unlock the SIM card. You will be prompted for the PUK code if you enter the PIN code incorrectly three times on your phone.
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Sign up for Cocospy with an existing email ID.
Set Up Cocospy
Get Cocospy working with the target device in less than 3 minutes.
View the SIM Card Details
Check the SIM card details in the Cocospy control panel.
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Check Live Demo Here >>What can the SIM Card Tracker tell you?
There are multiple uses for Cocospy's SIM Card tracker. One use is remote tracking. If the target device is lost, you'll still be able to track it with Cocospy. Also, the IMEI number can be sent to the carrier to track the device down.
Another use is keeping tabs on a phone number. You'll know if someone — like a child or an employee — changes their phone number without informing you. Cocospy will then record and send the details of the new SIM Card.
Finally, you can track a device's present location based on the SIM Card. This is an uncommon feature, not to be confused with run-of-the-mill GPS tracking. It works based on network tracking.
How to Use the SIM Card Tracker
Interested in trying out the SIM Card Tracker? You'll need a Cocospy account and a subscription. After you have an account, get Cocospy working with the target device. Then, log in to the Cocospy dashboard and look for the SIM Card option in the selection panel on the left.
On the SIM Card screen, you can look at the SIM card details like the carrier and IMEI number. You also view present and past SIM card locations on an interactive map. You can potentially track your target or a lost device this way.
Additionally, you have the option to sign up for a SIM Card Alert. When the old SIM Card is replaced by a new one, we'll send you an email. This is a convenient way to tell if your target has changed their phone number.
Use the SIM Card Tracker without root
Sim Card Definition
The SIM Card tracker doesn't need you to root or jailbreak the target device.
Monitor secretly
Cocospy is one of the stealthiest apps out there. The iOS version is web-based and completely undetectable. The Android version, once installed, can be hidden. It runs in the background and uses next to no resources. It's next to impossible to detect.
Check out the Demo to see it in action first-hand. Alternatively, sign up for a Cocospy account and get downloading!
[Jason Gin] wanted to reuse the SIM card that came with a ZTE WF721 wireless terminal he got from AT&T, but as he expected, it was locked to the device. Unfortunately, the terminal has no function to change the PIN and none of the defaults he tried seemed to work. The only thing left to do was crack it open and sniff the PIN with a logic analyzer.
This project is a fantastic example of the kind of reverse engineering you can pull off with even a cheap logic analyzer and a keen eye, but also perfectly illustrates the fact that having physical access to a device largely negates any security measures the manufacturer tries to implement. [Jason] already knew what the SIM unlock command would look like; he just needed to capture the exchange between the WF721 and SIM card, find the correct byte sequence, and look at the bytes directly after it.
Cracked Sim Card
Finding the test pads on the rear of the SIM slot, he wired his DSLogic Plus logic analyzer up to the VCC, CLK, RST, and I/O pins, then found a convenient place to attach his ground wire. After a bit of fiddling, he determined the SIM card was being run at 4 MHz, so he needed to configure a baud rate of 250 kbit/s to read the UART messages passing between the devices.
Once he found the bytes that signified successful unlocking, he was able to work his way backwards and determine the unlock command and its PIN code. It turns out the PIN was even being sent over the wire in plain text, though with the way security is often handled these days, we can’t say it surprises us. All [Jason] had to do then was put the SIM in his phone and punch in the sniffed PIN when prompted.
How To Crack Sim Card
Could [Jason] have just run out to the store and picked up a prepaid SIM instead of cracking open this wireless terminal and sniffing its communications with a logic analyzer? Of course. But where’s the fun in that?