0P3N Blog

Estimated reading time: 6 minutes Intro to OSSEC HIDS OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection and real-time alerting and active response. When tied together with something like Snorby, Sguil, ELSA or Alienvault, this can be a very powerful tool ...

Estimated reading time: 2 minutes Hi All, The following article is intended as a brief introduction to the Veil-Evasion tool. This is part of the Veil-Framework  was created by Chris Truncer . The Evasion tool is used to generate a range of different payloads ...

Estimated reading time: 4 minutes Cryptography Part 1: A Quick Summary TOC: Cryptography in History Services Cryptography can Provide Confidentiality Symmetric Cryptography Asymmetric Cryptography ...

Estimated reading time: 2.5 minutes Use of cryptographic algorithms like Triple DES, AES, and Twofish is good for applications where you need high security and you can afford a slight delay. Credit card purchases, file transfers, and turn based games are good candidates for these kinds of algorithms. Real-time games, market data, and distributed computing needs ...

This is the fifth and final post in the series on “ How to be an Educated Consumer of Online Information .” I can hear you cheering now. I realize that this series may have seemed like I’ve veered off on a tangent. After all, what does any of this have to do with IT and cybersecurity? ...

Estimated reading time: 1 minute This article is about creating a reverse shell session over TCP using Python Sockets. Let me explain what happens in a general sense.First, the server binds its IP address and a PORT to a socket [note that I implemented a fixed solution for other people whose routers change IPs whenever they ...

Estimated reading time: 4 minutes Are there any employees who work in their own little bubble in your organization where nobody else is aware of what they do, where they keep files or important documents? How much data do they have access to? Does anybody audit their access to the network, bank accounts or inventory? ...

Scams! Some hackers are good at them. Hackers who create phishing schemes often create documents that are realistic and convincing enough to look legitimate; causing even some of the most technologically savvy users to fall for them. That is a "good" scam.Netflix was recently the target of such a scam. Unsuspecting users were sent a link via e-mail which ...

Background Information that we need during footprinting . In this post, I'll tell you how to get the background technology or services that a website is running. This will be helpful in gaining some information during the Information Gathering process and footprinting. How do you get the information you need ...

Estimated reading time: 9 minutes Hello, fellow Cybrarians! Way back in December…umm…checks own page 12th - yeah I knew that - December 12th I wrote an article for C programming, an intro to C called ‘ Let’s “C” How this Goes: Programming Introduction to C ’. Recap from the previous article: Skip to new content ...