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.

The Ethical Hacker's Guide to Cracking WiFi (WPS)
By: Kevin Mark
July 23, 2015

Hello and welcome to this little tutorial! We're going to use Reaver and Wash. For those of you who don't what Reaver and Wash are, Google them. In short, Reaver tries different pins until it catches the right one. It TAKES HOURS TO CRACK A PIN, so be patient. You can use OS X, Kali package ...

7 Steps to Lock a Folder (Plus a BONUS)
By: orion
July 20, 2015

7 Steps to Locking a Folder (Plus a BONUS) 1.Open Notepad. Copy and paste the code below: cls @ECHO OFFtitle hackingif EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" gotoUNLOCKif NOT EXIST MyFolder goto MDMyFolder:CONFIRMecho Are you sure to lock this folder? (Y/N)set/p "cho=>"if %cho%==Y goto LOCKif %cho%==y goto LOCKif %cho%==n goto ENDif %cho%==N goto ENDecho Invalid ...

Securing Your Unix Operating System
By: Er. Ragini
July 17, 2015

Hi Team,I'm sharing my knowledge about UNIX OS.  Some important settings could protect your system. It's also important to know your OS system well, including its security file settings.  Depending on your networking settings, you may be more open to attacks or vulnerabilities, such as: ICMP redirects ...

A Short Practice Guide for PenTests
By: Laird
July 16, 2015

A Short Practice Guide for PenTests Definition: A penetration test is a proven method that looks for security weaknesses, potentially gaining access to the computer's features and data. Typical starting points for penetration tests are: Active components like router, switches or gateways Security gateways like firewall, packet filter, intrusion ...

How to Fix a Virtualbox Showing Only 32Bit Guests on a 64Bit Host
By: Darshan Bhavsar
July 16, 2015

Today, I'm going to show you how to Fix a Virtualbox Showing Only 32Bit Guests on a 64Bit Host.In Windows-based Os's, there's a function called "Virtualization". Virtualization is: a hardware virtualization or platform virtualization, which refers to the creation of a virtual machine that acts like ...

Public, Open Wireless Hotspots: To Connect or Not
By: Paddy
July 15, 2015

Abstract This paper highlights the risks involved with connecting to an untrusted network such as public Wi-Fi.  These networks are highly insecure due to data being emitted through airwaves.  This allows for attackers to easily eavesdrop on network communication by creating an evil twin access point and taking advantage of devices ...

Metasploit: Routing Traffic from a Non-Routable Network
By: Multi Thinker
July 14, 2015

According to Offensive-Security: Pivoting is the unique technique of using an instance (also referred to as a ‘plant’ or ‘foothold’) to be able to “move” around inside a network. Basically using the first compromise to allow and even aid in the compromise of other otherwise inaccessible systems. In this scenario, we'll be using it for routing traffic from a ...

How to Get Screen Captures Using Metasploit and Meterpreter
By: Multi Thinker
July 14, 2015

Hi Again,Today, using metasploit and meterpreter, I will tell you how to screen capture a victim's PC / applications.What we need is metasploit and meterpreter configured and opened. This step starts when we have any meterpreter session opened. Every time, after going to CMD, we have Meterpreter Session opened, don't ...

Tutorial: Packet Sniffing
By: Multi Thinker
July 14, 2015

Packet sniffing was never easy before. In the late 90's, we used tunneling, wire Shark, MITM and SSL Striping.After a payload of reversetcp in meterpreter, all we need is to use exploit " sniff "I assume you have msfconsole opened and configured.Let's begin...Location and using Windows SMB exploit:msf > use exploit/windows/smb/ms08067netapi Setting payload of reversetcp: ...

Meterpreter Backdoor
By: Multi Thinker
July 14, 2015

Meterpreter Backdoor requires a script named metsvc It's a list of useful commands use to interact with a victim's machine from a backdoor.To get that script, go to: https://www.phreedom.org/software/metsvc/ Ok, now I assume you downloaded the script and have configured the msfconsole for it.Let's start...After our session has been started in meterpreter metasploit ...