Car Study and Testing

Introduction

Examination of the automotive networks for the security exposures is fun and has the real-world safety suggestions. From the start, I was interested in Car Hacking this is very useful for the aspiring car Hackers as it is one of the most significant limiting factor is the knowledge, or the tools and data to start the car hacking. While most of the research is non-destructive and can be performed on the main vehicle, it is very risky and more expensive to mess with the vehicle which you use.

In this research it shows exactly how to get an ECU up and running how to get it to be a state where you can start to estimate the security of the device. This paper proceeds to show how to set up an environment very similar to that of the automobile including multiple ECUs as well as the sensors and the actuators.

Putting ECUs on the Bench: The main contribution of the paper is how to get one or more ECUs working on a workbench without having to buy the vehicle.

So, it requires some electrical knowledge, comprehension of the automotive systems, and the basic understanding of the Controller Area Network (CAN) protocol.

Capture Traffic from a CAN Bus: You can obtain any number of CAN bus traffic captures in the case mostly where you don’t own any of the own car and only have the temporary access to it. Here we need to think each imaginable situation you may be in: Idling, driving, going in reverse, auto-parking, using cruise control and so on.

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The captures may be taken via the ODB-11 port or directly from the CAN lines using the ECOM cable and EcomCat. No matter how careful we are we will later wish we had more captures.

Power Up ECU on the Bench: Firstly, for the first try we need to connect power, ground, CAN-H and CAN-L from the ECU. This may leave many wires which are not connected to the ECU. Though the setup may result in the ECU being in an insufficient state for testing, it provides the valuable information. If the connections are correct, we can see the ECU emit the messages that would normally be going to the vehicles CAN bus.

Simulating CAN Traffic from Missing ECUs: Unfluctuating with all the sensors which are hooked up properly, many ECUs will not work properly until and unless they receive few of the messages from the CAN. One of the easiest way to do this is to capture and remove the messages which starts from the ECUs on the bench, and then can reply to the packets using EcomCat.

Fake Sensors: The sensors can be more expensive and oftentimes we don’t really care about them. On the other hand, we would like all the sensors which are wired into ECU and it behaves so closely as possible to the way it does to an automobile. At times we can fake the sensors by doing few things like sending the voltage down the wire or connecting it to the ground. Many of the times figuring out the sensor is supposed to work which is matter of reading the troubleshooting guide for the sensor. This helps us to know about the fake sensors and helps us to know about the ECU and about the automobiles.

Conclusion

This paper provides techniques which are allowed testing of the certain features of an automobile without a vehicle. Moreover, even if a car like mobility is required which is cost effective platform in the form of the go-cart which can be purchased to oblige the computer in the vehicle for testing. I feel that by showing the ups and downs and failures we can bribe more security researchers to investigate the issues and can help the venders create more secure automobiles for all of us. References: