0P3N Blog

Cybrary’s Open Blog is a user contributed cybersecurity knowledge base that brings together content highlighting the latest tools, exploits, technologies and insights in the industry.

Simple Virus Creation
By: Shikataganai
February 18, 2017

Here is a simple tutorial on basic virus creation using Metasploit and msfvenom. More lessons and blog posts with cheat sheets can be found on my website, https://poppoppopanotherserverdrops.com/

How to Run Linux from a USB Flash Drive
By: kalolo
February 17, 2017

Hi, guys.I'm here today to talk about how you can run Linux from a USB flash drive.If you are just starting with Linux and you are not sure you want to install Linux on your PC, or you aren't able to because it's a shared PC, etc., you can run Linux from a USB flash drive.  You will just need some Linux ...

UNM4SK3D: IoT, Yahoo!, and Microsoft
By: Olivia
February 17, 2017

#DNS Someone was really craving fish. That's the only logical explanation for why an unnamed university's vending machines and other IoT devices were making seafood-related DNS requests every 15 minutes. This case, which comes from Verizon's recently released Data Breach Digest is just one of 16 cautionary tales making headlines. ...

3 Simple Steps to Wealth and Fame as a Mobile App Developer
By: rcubed
February 16, 2017

The allure of becoming rich and famous from publishing a viral mobile app can be pretty strong. A lot of people see mobile app development as the fast track to living the life of a Silicon Valley entrepreneur. Not to crush anyone’s dreams, but a healthy and sobering dose of reality should be the first order of business prior to ...

A Report on Reports: Briefing on the State of Security
By: Olivia
February 16, 2017

Many of you are probably aware that RSA is currently taking place.Having fomo like me? Twitter is a lifesaver if you are.Still, it’s hard to stay updated on all the juicy things being discussed there. Some of the major topics I’ve come across are: artificial intelligence (of course) and threat intelligence.A conference known for being ‘where the world talks ...

Raw Sockets Python SYN TCP SCAN
By: r00t_privilege
February 16, 2017

This article explains how to create a raw socket and use it to do an SYN or ACK or XMAS scan using python, note that you could also use it to make a Denial of Service attack (syn flooding ...)See code below: import socket,struct from struct import * # checksum functions needed for tcp checksum , ...

Advanced EXE Multi Protection Against Reverse Engineering with Free Tools
By: Babak Esmaeili
February 15, 2017

Estimated reading time: 4 minutes Advanced EXE multi protection against reverse engineering by free toolsHello Cybrarians,This essay is about protecting .exe files against reverse engineering and making it harder for crackers to unpack and crack our .exe files. We are going to use free tools for this purpose but this time we use them in a ...

How to get TCP/IP Certified
By: Olivia
February 14, 2017

Many Cybrarians have been asking the question, “How do I get _ certified?” There are many resources across the internet that discuss how you can earn various certifications.  I wanted to get specific in a series of blog posts on how you can earn certifications in some of Cybrary’s most popular topics by providing a more ...

So you want to be my CISO?
By: rcubed
February 14, 2017

What would you say about a job where the primary attributes were only accepting workaholics, where your successes received little notice but your slip ups most likely would cost you your job or worse, get worldwide media attention and you could never let your guard down? Sounds like the job description for an NHL goalie. Actually, it’s the job ...

Basic FootPrinting | How to use #nslookup for Ethical Hacking
By: ryan c
February 14, 2017

How to Use  #nslookup  for Ethical Hacking and find various DNS Queries which will help us in gathering more information from the system or website that we want for our Hacking Project. Step 1  is to go to www.wikipedia.org/wiki/ListorDNSrecordtypes Step 2 is to open your command prompt. Step 3, type nslookup then ...