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.

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 ...

Juliar.Future Function Hoisting
By: Rattar
February 14, 2017

Juliar.Future (J.F) provides function hoisting.In each Juliar.Future script, you should have a main() function. If you don't have this function, that means the file cannot be called directly and must be required.So let's create our main function function main() = { hello(); } ...

The Future of Programming – It’s where the Money is!
By: GWCitroner
February 13, 2017

According to a 2015 report from Burning Glass ; there were almost 7 million job openings that required coding skills, and programming jobs are growing 12% quicker than average.But, the most important fact we can take away from this report is: fully 50% of programming jobs are not in IT. Hospitals, banks, and manufacturers all have positions that require ...

FootPrinting with whois tool
By: bhamburejasmin
February 13, 2017

Hello Everyone,Do you want to determine the owner of the domain name, IP address, and other bits and pieces? Querying with Whois is one of the solutions: 1) To find information organizational type (whois –h whois.ripe.net grant)2) Domain Type (whois DomainName)3) Specific IP Type (whois IPaddress)) The following websites are for various countries. They will determine the whois information. ...

CTF Mugardos 2015 Writeup – Stego200
February 13, 2017

Statement:  AM 200 points Now seriously, when it comes to listening to music, nothing is better than the radio ... well, maybe that's not completely true. Maybe we are too nostalgic. Format the answer: - Uppercase and lowercase as they appear in the flag - No spaces ...

The WordPress "w4l3XzY3" Hack
By: sranjanbehera
February 10, 2017

From a recent investigation, a recent release of WordPress was found vulnerable to application defacement under "w4l3XzY3" hack.The following could be helpful in order to protect the application from this defacement.WordPress 4.7.2 was released two weeks ago, including a fix for a severe vulnerability in the WordPress REST API. In less than 48 hours after the vulnerability was disclosed, we saw ...

Putting a Backdoor On Executable Files
By: Fabrício Salomão
February 10, 2017

There are many resources that we can use in the process of generating a backdoor with Msfvenom, one of them is to encode a backdoor within an executable program. The content of this article is for didactic purposes, where the focus is the technique of putting our backdoor inside an executable (.exe), taking into account ...

UNM4SK3D: Dark Net, Vizio, and Homeland Security
By: Olivia
February 10, 2017

#hacked "Hello, Freedom Hosting II, you've been hacked." That's the message visitors to any of the 10,000 affected websites that were a part of a Dark Web hack received recently. So, it seems Anonymous isn't afraid to pwn their peers. Talk about a very, very tangled web. The Dark Web ...

Juliar Overview
By: Rattar
February 9, 2017

Intro Juliar.Future is the latest iteration of Juliar Programming Language. The compiler is built on top of JAVA, so everywhere JAVA can run, the compiler can run.  This is a huge step we've taken to eliminate having to build a compiler for each version. ...