Security

Oct
12

Yet Another Easier Workaround for Packet Injection with Aireplay in Windows

A couple of months ago, I published my previous Wi-Fi penetration article about “Aircrack/Aireplay-ng Under Packet Injection Monitor Mode in Windows using a Virtual Machine of Backtrack Linux.” Really, there was still no complete sever from Linux with this scheme … until now. I didn’t realize that there was an easier way to use aircrack-ng in Windows and at the same time completely break free of Linux. Hours after I released that article, a reader left a comment telling me that somebody already wrote a less complicated method, “How to Packet injection Aireplay-ng & Windows XP” at airdump.net.

Summary

Ultimately, the premises of this hack works like this. With a slightly modified DOS/Windows-ported compilation of the most cutting-edge (actually beta) Aircrack-ng suite and a monitor mode compatible WiFi driver, it is possible to essentially inject packets in Windows with no middleman of a virtual machine (as mentioned in my previous Backtrack article). The original article at airdump.net actually provides the recompiled Aircrack-ng suite and the stripped CommView WiFi driver in a nifty little package.

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Oct
10

Beat Keyloggers at they Own Game – Simple Ways to Avoid Information Theft

When I was in high school, I was exploited … twice. But not in that way sickos! My first time was ironically from one of my best friends. He always liked to test these gray-hat programs. One day after I used his laptop, he said, “Allan, I know the password to your AIM account!” To say the least, I was furious!

That was nothing in comparison to the emotion I was experiencing during my second exploitation, terror. At the time, my computer was unprotected from any viruses, spyware, and adware. I decided to install an all-in-one security suite, which promptly caught a virus. Basically, I monitored what it was doing to my computer. I discovered a file of everything I typed the past couple of weeks from emails, essays, and search queries to (gasp!) passwords and credit card numbers! Needless to say, I changed my passwords and credit card number.

Ever since these two incidents, I’ve come to realize how vulnerable I really was by using a computer that was not mine or even my own.

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Jun
22

Aircrack/Aireplay-ng Under Packet Injection Monitor Mode in Windows

Update (6-27-07): I just found out that the makers of aircrack-ng just made this method easier. Two days after I wrote this article, they released a VMWare image of their entire suite of wireless penetration tools. So, instead of downloading and using the generic BackTrack ISO (step 1 and 5) head over to Aircrack-ng and obtain their version.

Update II (6-27-07): I guess packet injection under Windows is feasible after all! The same time the VMWare aircrack-ng image was released, they also revealed a new USB WiFi adaptor that lets you inject and read packets natively in Windows without the virtualization layer. What’s more, you can use the Wireshark GUI instead of the aircrack-ng command line. Personally, I would still go with the Alfa (read more below) since it has nantenna connector. But that’s just me! :)

“…crack a WEP enabled access point within a couple of minutes. 3 minutes to be exact.”

That Digg article piqued our curiosity in high school. My friend and I read about how the FBI publicly demonstrated a successful wireless network crack in a minuscule amount of time. Inspired, we obtained a laptop and searched around our neighborhood for WEP encrypted wireless networks. Our plan was to show these local folks how easy it was to acquire their WEP key. Then, we would convince them that we were good, hirable technicians who could upgrade their WiFi WEP encryption scheme to WPA. We spent literally three days practicing, trying to crack our own network with Windows tools. But in the end, our plan never materialized. Why? We were too “n00b” for Linux.

Crippled Windows Users

aircrack_windows.jpgI’ll say it once and I’ll say it again, “I hate being a Windows user.” I hold great respect for computer hackers who are quick to grasp other operating systems, like Linux and OS X, without a problem. But I, having been weaned on Windows since the day I touched a computer, have a hard time operating those unfamiliar user interfaces … or lack thereof. I mean, more than half of Linux is in the shell command line!


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