NetStumbler.org Forums - View Single Post - (Aircrack)Yet another WEP cracking tool for Linux

Clyde Vargus2 · 10-21-2004

Sorry, another noob question.

How do I make Aircrack 2.1 work?

I went to a friend's house, who has 4 PC's all on a wireless network. We had previously found his network with his XP laptop and an orinoco gold classic card and netstumbler. He has good reception in his house, and in most of his yard. Doesn't reach all the way into his back yard, which is a couple acres big with trees and a big garage.

Anyhow, I called and told him about this Aircrack 2.1 thing, which I thought would be good for setting up and testing his WEP encryption (linksys wireless AP and DSL). So we downloaded 2.1 on his laptop, and read everything we could find, and turned it on...

And we can't get it to do anything.

We entered his MAC address in the 00:00:00:00:00:00 format, based on the numbers and letters that Netstumbler gave us.

When we click on the desktop shortcut to aircrack, all the screen shows is the regular list, with #'s 5,4,3,2,1 and 0.

Here's our problems with each option:

5 - debug key - what the hell is that?
4 - fudge factor - we tried 2 and 0. Nothing happened.
3 - MAC address - the one thing we think we did right. Got it from netstumbler, but nothing else happens.
2 - WEP key length - we left it at 128 bits
1 - read IV's from a pcap file - don't you have to SCAN for IV's and get some to get a pcap file going? WTF?
0 - start cracking - It says "not enough IV's". Well, how the hell do we even know if its scanning? There's no chart or screen that pops up and shows how many have been scanned, so we have no way of knowing if its even scanning at all!

We had his kids and wife on 3 of the 4 computers in the house doing internet stuff, so there definitely was traffic to scan.

So my basic questions are, how do we make aircrack do ANYTHING and see the progress as it scans? Then how do we make a pcap file and use it? And, how do we do pretty much everything else to try and crack test his WEP encryption?

The files that come with aircrack tell you what it does, but it doesn't say HOW to make it do anything.

I shall put on my fireproof suit now. Blast away (but answer the questions in the process).

10-21-2004	#183 (permalink)
Clyde Vargus2 Registered Member Join Date: Sep 2004 Posts: 28	Sorry, another noob question. How do I make Aircrack 2.1 work? I went to a friend's house, who has 4 PC's all on a wireless network. We had previously found his network with his XP laptop and an orinoco gold classic card and netstumbler. He has good reception in his house, and in most of his yard. Doesn't reach all the way into his back yard, which is a couple acres big with trees and a big garage. Anyhow, I called and told him about this Aircrack 2.1 thing, which I thought would be good for setting up and testing his WEP encryption (linksys wireless AP and DSL). So we downloaded 2.1 on his laptop, and read everything we could find, and turned it on... And we can't get it to do anything. We entered his MAC address in the 00:00:00:00:00:00 format, based on the numbers and letters that Netstumbler gave us. When we click on the desktop shortcut to aircrack, all the screen shows is the regular list, with #'s 5,4,3,2,1 and 0. Here's our problems with each option: 5 - debug key - what the hell is that? 4 - fudge factor - we tried 2 and 0. Nothing happened. 3 - MAC address - the one thing we think we did right. Got it from netstumbler, but nothing else happens. 2 - WEP key length - we left it at 128 bits 1 - read IV's from a pcap file - don't you have to SCAN for IV's and get some to get a pcap file going? WTF? 0 - start cracking - It says "not enough IV's". Well, how the hell do we even know if its scanning? There's no chart or screen that pops up and shows how many have been scanned, so we have no way of knowing if its even scanning at all! We had his kids and wife on 3 of the 4 computers in the house doing internet stuff, so there definitely was traffic to scan. So my basic questions are, how do we make aircrack do ANYTHING and see the progress as it scans? Then how do we make a pcap file and use it? And, how do we do pretty much everything else to try and crack test his WEP encryption? The files that come with aircrack tell you what it does, but it doesn't say HOW to make it do anything. I shall put on my fireproof suit now. Blast away (but answer the questions in the process).