This how-to will show you a method for building a USB thumb drive with the following features: Persistent Changes – Files saved and changes made will be kept across reboots. Nessus and NessusClient installed – Everybody needs Nessus Encryption configured (Note: This is not whole drive encryption) We will also tweak a few things and make some interesting changes. | Building the Perfect Backtrack 4 USB Thumb Drive This how-to will show you a method for building a USB thumb drive with the following features Persistent Changes - Files saved and changes made will be kept across reboots. Nessus and NessusClient installed - Everybody needs Nessus - Encryption configured Note This is not whole drive encryption We will also tweak a few things and make some interesting changes. Table of contents Tools and Supplies Partition the USB thumbdrive Make a bootable Backtrack 4 USB thumbdrive Persistent Changes Install Nessus Configure Encryption Tweak a few things Tools and Supplies 1. A USB thumbdrive - minimum capacity 4GB 2. A Backtrack 3 CDROM Backtrack 4 DVD or an additional USB thumbdrive minimum 2GB - Used to partition the thumbdrive. 3. Optional UNetbootin- A tool to transfer an iso image to a USB drive. Let s get started Let s grab a copy of the Backtrack 4 Pre Release ISO. Description DVD Image Name Size 1390 MB MD5 b0485da6194d75b30cda282ceb629654 Download Click here Now that we have the goods in hand we can get to cooking. This tutorial is based on booting Backtrack 4 first. This means that you need some form of bootable Backtrack 4 media. This can be a virtual machine DVD or USB drive. Use your favorite method of creating a DVD or USB drive or you can use UNetBootin to create the thumb drive. Below is a screenshot of using UnetBootin to install Backtrack 4 on a USB drive. It is a simple as selecting the image we want to write to the USB drive the drive to write it to and then clicking the OK button. Warning Make sure you pick the correct destination drive. You don t want to shoot yourself in the foot. Partition the USB thumbdrive The first step is to boot up Backtrack 4. With the release of Backtrack 4 Final a 4 GB drive is required if we are going to enable persistence. For Backtrack 3 and Backtrack 4 Beta we could get away with a 2GB drive. We will also need to figure out which drive is our target drive. The
