Car Theft: NCC Sensitises Nigerians On Hackers’ New Antics

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…Warns of vulnerability to new android Trojan apps

Vehicle hacker.
Vehicle hacker.

The Nigerian Communications Commission (NCC) has alerted Nigerian telecom consumers and members of the public on an ongoing cyber-vulnerability that allows a nearby hacker to unlock vehicles, start their engines wirelessly and make away with the cars.

Since car remotes are categorised as short-range devices that make use of radiofrequency (RF) to lock and unlock cars, it has informed the need for the commission to alert the general public of this emergent danger, where hackers take advantage to unlock and start a compromised car.

According to the latest advisory released by the Computer Security Incident Response Team (CSIRT), the cybersecurity centre for the telecom sector established by the NCC, the vulnerability is a ‘man-in-the-middle (MitM)’ attack or, more specifically, a ‘replay’ attack in which an attacker intercepts the RF signals normally sent from a remote key fob to the car, manipulates these signals, and re-sends them later to unlock the car at will.

With this latest type of cyber-attack, it is also possible to manipulate the captured commands and re-transmit them to achieve a different outcome altogether. “Multiple researchers disclosed a vulnerability said to be used by a nearby attacker to unlock some Honda and Acura car models and start their engines wirelessly. The attack consists of a threat actor capturing the radiofrequency (RF) signals sent from your key fob to the car and resending these signals to take control of your car’s remote keyless entry system,” the advisory stated.

However, the NCC-CSIRT, in the advisory, offered some precautionary measures or solutions that can be adopted by car owners to not fall victims to the attack.

“When affected, the only mitigation is to reset your key fob at the dealership. Besides, the affected car manufacturer may provide a security mechanism that generates fresh codes for each authentication request. This makes it difficult for an attacker to ‘replay’ the codes thereafter. Additionally, vulnerable car users should store their key fobs in signal-blocking ’Faraday’ pouches when not in use.”
Car owners in the stated categories are advised to choose passive, keyless, entry (PKE) as opposed to remote, keyless, entry (RKE) which would make it harder for an attacker to read the signal since criminals would need to be close to carry out their nefarious acts.

The PKE is an automotive security system that operates automatically when the user is in proximity to the vehicle, unlocking the door on approach or when the door handle is pulled and, also, locking it when the user walks away or touches the car on exit. The RKE system, on the other hand, represents the standard solution for conveniently locking and unlocking a vehicle’s doors and luggage compartment by remote control.

In a related advisory based on another detection by CSIRT, the NCC announced the resurgence of Joker Trojan-infected Android apps on the Google Play Store. This, the commission said, arose due to the activities of criminals who intentionally download legitimate apps from the Play Store, modify them by embedding the Trojan malware and then upload the app back to the Play Store with a new name.

The malicious payload is only activated once the apps go live on the Play Store, enabling the apps to scale through Google’s strict evaluation process. Once installed, these apps request permissions that, once granted, give them access to critical functions such as text messages and notifications.

As a consequence, a compromised device will subscribe unwitting users to premium services, billing them for services that do not exist. A device like this can also be used to commit short messaging service (SMS) fraud while the owner is unaware.

It can click on online ads automatically and even use SMS one-time passwords (OTPs) to secretly approve payments. Without checking bank statements, the user will be unaware that he or she has subscribed to an online service. Other actions such as stealing text messages, contacts and other device data are also possible.

A statement by the commission’s director of public affairs, Dr. Ikechukwu Adinde, advised that to avoid falling victim to the manipulation of hackers deploying Joker Trojan-infected Android apps, Android users have been advised to avoid downloading unnecessary apps or installing apps from unofficial sources. The NCC also wishes to advise telecom consumers to ensure that apps installed from the Google Play Store are heavily scrutinised by reading reviews, assessing the developers, perusing the terms of use and only granting the necessary permissions.

Conclusively, the NCC recommends that unauthorised transactions be checked against any installed app. Indeed, any app not in use should be deleted while users are also advised to ensure that a device is always patched and updated to the latest software.

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