Archive for May 22nd, 2010

Dnsenum is a very robust script which was actually written by one of the Backtrack developers when Backtrack was still a Remote-Exploit Project. The author, Filip (barbsie) Waeytens is a Web Application penetration tester and has extensive experience on the topic of DNS and information gathering. Today we will look at some examples of using Dnsenum to passively gather information on a target.

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In going through all the tools with Alex on Backtrack I have discovered a few bugs and missing modules or libs. I will be writting posts on how to fix them but I will also be adding the fix’s to Backtrack svn as well. This morning I was writting the article on Dnsenum by my buddy Barbsie and I ran into a missing perl module.

root@666:/pentest/enumeration/dnsenum# ./dnsenum.pl --enum -f dns.txt --update a -r cnn.com
dnsenum.pl VERSION:1.2
Warning: can't load Net::Whois::IP module, whois queries desabled.

Below I will show to to download and install the needed module:

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As many people know I am one of the administrators of the Backtrack-Linux forums. We generally do not have to many issues but today I had someone complaining that when posting code they were not able to use more than 25 characters. This is a issue since we encourage our users to use the tags for there posts since it makes adding code much neater and easier to read & copy/paste. Below I will describe how to fix the error.

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This is going to be the second of my articles on the DNS section of Backtrack 4. While it isn’t as exciting as popping a box with the newest 0-day, passive information gathering in one of the most crucial steps of a successful pentest. Today we are going to look at Dnstracer.

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This is one of the first articles in our Backtrack tutorial series. Alex and I will be be going through the entire distro of Backtrack 4 and writing a post on each tool. There is no one blog or web site which has a tutorial on each tool in backtrack so we are going to attempt to do that.

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