Ethical Hacking and Penetration Testing Guide
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Further Resources
If you are really interested in learning more about exploit development and bypassing modern mechanisms, visit the following links: http://www.securitytube.net/groups?operation=view&groupId=5 https://www.corelan.be 291 Chapter 11 Wireless Hacking Introduction Over time, many homes and organizations have moved toward wireless networks. One of the rea- sons people are switching to wireless networks is to overcome physical limitations. From a hacker’s perspective, wireless networks are an easy target; when compared with wired networks, they are easy to sniff and attack. In this chapter, we will cover a wide variety of attacks that can be performed against a wireless network. We will start by discussing how to bypass a low-level security that a network administra- tor often implements, such as hiding SSID and enabling MAC filtering. After that, we will dive into the essence of this chapter, where I will demonstrate how easy it is to crack WEP/WPA/WPA preshared keys. Finally, we will talk about a client side attack, where I will demonstrate how to set up a fake access point and compromise anyone connecting to your fake access point. Requirements ◾ Wireless access point ◾ Wireless adapter supporting packet injection These two things are all we require for replicating what’s being discussed in this chapter. The access point is required because we don’t want to attack the neighbor’s access point, because it would be unethical, and as a penetration tester or an ethical hacker, you should make sure that you follow ethics. The second and the most important requirement is a wireless adapter that supports packet injection and is also able to sniff in the monitor mode. Personally, I use the Alfa AWUS036H wireless adapter; it not only supports packet injection, but also BackTrack has preinstalled drivers of it, so we don’t have to do the tedious job of downloading and installing them. 292 ◾ Ethical Hacking and Penetration Testing Guide Once you have an Alfa network adapter that supports packet injection and has all drivers installed, you can connect the adapter to your computer, and since we are running BackTrack from our virtual machine, we need to attach the network adapter to our BackTrack machine. This can be done by going into Vm Yüklə 22,44 Mb. Dostları ilə paylaş:
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