Peter Van Eeckhoutte's Blog

Posts Tagged ‘backtrack’

Download backtrack from http://www.remote-exploit.org/backtrack_download.html. Current version at the time of writing is BT4 Pre-Final.This document is based on BT4 pre-final. Ergo, some of the instructions below may not work with other versions of BT. FYI : An excellent guide about Backtrack4 can be found at BackTrack 4 – The Definitive Guide    1. Installing Backtrack to a harddrive (using Ubiquity) http://www.offensive-security.com/videos/install-backtrack-hard-disk/install-backtrack-hard-disk.html Boot from the Backtrack DVD and choose “Start Backtrack in Text Mode” Backtrack will boot and will automatically end up at a …

Basic steps : Put interface in monitor mode Find wireless network (protected with WPA2 and a Pre Shared Key) Capture all packets Wait until you see a client and deauthenticate the client, so the handshake can be captured Crack the key using a dictionary file (or via John The Ripper)   I’ll use a Dlink DWL-G122 (USB) wireless network interface for this procedure.  In backtrack4, this device is recognized as wlan0. First, put the card in monitor mode : …

I know, there a probably already a zillion number of websites that show how to crack WEP. So I guess this will be website zillion+1 learning how to audit your own WEP security. To be honest, the main reason I’m putting this info on this blog because I just wanted it as a quick reference- or cheatsheet, in case I forget some about particular commands/parameters again :-)  And why rely on other websites that may or may not be reachable when you need them :-) Scenario 1 : WEP encryption, OPEN Authentication, MAC filtering enabled, active client on network The AP in my testlab uses MAC filtering and is configured to use WEP, using OPEN Authentication Method. In this scenario, I have 2 clients that are currently connected to the wireless network. My auditor …

Today, I will explain how you can create your own lzm modules & patch the backtrack 2 final ISO file (by adding your new module).

First of all, get a fresh copy of the bt2final.iso file from http://www.remote-exploit.org/backtrack_download.html

Write the ISO file to a CD and boot from the CD. This will load the bt2final version. By default, if you make changes to the live cd, the changes will be lost after rebooting the CD. You can of course install Backtrack to harddisk or a USB stick and install your patches afterwards, but you would still create some scripts to make sure changes to the filesystem are stored and used next time.

So ideally, you would want to include your custom scripts, new tools, updated tools or drivers into the ISO file, so you can use it to either boot from …