Resuscitating John the Ripper for SHA-512

Monday, 1 August 2011 by Jason Pittman

John the Ripper (http://www.openwall.com/john) is a well-known and mature password auditing tool. However, if you are working from a recent OS (e.g., Ubuntu 9.04 or later) that uses SHA-512 hashing John has a problem.

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[Security Scripts] Whois for Python

Wednesday, 30 June 2010 by Jesse Salmon

Whois.py is a script that makes it fast and easy to store Arin information about specific IPs. The script was written with no library dependencies or setup steps. It runs on multiple platforms. (continue reading…)

Building a Security Tool Chest – Part 3 – Web App Testing Tools

Thursday, 4 December 2008 by Brennen Reynolds

Tamper Data
– A Firefox plug-in that allows inline capture and modification of outgoing HTTP requests.
Instead of relying on Javascript to modify the DOM before a form or query is submitted
you are able to trap the request, edit it (including adding completely new fields)
and forward it to the server. This can allow a tester to bypass all client-side filtering
and verification a web application may have.

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Building a Security Tool Chest – Part 2 – Recon Tools

Monday, 3 November 2008 by Brennen Reynolds

The previous
article
gave us a base point to begin building our tool chest with two Live CDs
that provide a wide array of security tools. This article is going to cover the first
phase of an assessment: information gathering and reconnaissance. I have put together
a list of the top 10 most useful utilities and websites I use on a daily basis for
security related assessments.

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Building a Security Tool Chest – Part 1 – The Foundation

Friday, 10 October 2008 by Brennen Reynolds

With the seemingly endless number of security products, utilities and information
sites available today the thought of putting together a set of tools to perform routine
security tasks might seem daunting. It can be, but it doesn’t have to be. Over the
next few entries I am going to walk through how someone would put together a security
tool chest that can be used for almost all day to day security needs.

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As Grep as it Gets?

Tuesday, 2 October 2007 by Jason Pittman

“How many computers do you have?”

< ?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

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Network Scanning with NMAP

Sunday, 15 July 2007 by Jason Pieters

NMAP, developed by Fyodor, is one of those rare tools that can be used by IT
professionals regardless of the specialization that they have chosen (i.e. system
administrator, network engineer, security consultant, etc…)

(continue reading…)

Strings for You and Me

Friday, 15 June 2007 by Jason Pittman

Ever get to an authentication challenge in a client application and have that feeling of
being rooted? I know I have on several occasions.

(continue reading…)

Anonymous Zone Transfers

Tuesday, 15 May 2007 by Ray Zadjmool

Unkowingly allowing Anonymous Zone Transfers can increase your risk profile immensley.

How to test for anonymous zone transfer using nslookup:

(continue reading…)

Tevora has offices at the following locations:

Southern California: (Headquarters)

One Spectrum Pointe Drive, Suite 200
Lake Forest, California 92630.
Tel: 949.250.3290
Fax: 949.250.9993
Email: info@tevora.com
Driving directions

Northern California

7485 Rush River Drive, Suite 710
Sacramento, CA. 95831
Tel: (888) 4-TEVORA
Fax: 925.369.0307
Email: norcal@tevora.com
Driving directions

International Locations:

Tevora South America
Alameda Jaú
1742 / 8 Andar
CJ 81 - São Paulo - Brasil
Tel:+55 11 3063-1853
www.tevora.com.br