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WordPress User Enumeration

These three enumeration techniques are a very fast way to identify users of a WordPress installation. With valid usernames effective brute force attacks can be attempted to guess the password of the user accounts. WordPress User Enumeration via Author Archives Finding users by iterating through the author archives is a common technique that works in […]
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PHP End of Life (a reminder)

As of December 2018 PHP 5 and 7.0 became End of Life. It is now July 2019 and up to 74% of PHP powered sites in the top 1 million are running software that is End of Life. This means there is no support and more importantly if new vulnerabilities are discovered, there will be […]
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Brief History of Internet Wide Scanning

In the beginning there were Google Dorks; as far back as 2002 security researches discovered that specific Google queries could reveal Internet connected devices. Seventeen years later it is still possible to find thousands of unsecured remotely accessible security cameras and printers via simple Google searches. Now using search engines such as Shodan.io and Censys.io […]
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Analysis of Top 100K WordPress Sites

CMS Detection Methodology The methodology used to determine the underlying technology of web sites is to search for specific strings within the HTML or the HTTP Headers provided by the web server. For WordPress our process is a simple matter of downloading the headers and page source from all sites in the Alexa top 1 […]
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Install OpenVAS (GVM) on Kali 2019

In this setup guide we step through the process of getting OpenVAS (GVM) running on Kali 2019. Installing OpenVAS into a Kali based system is made much easier by the inclusion of a quick setup script. When using Kali Linux for OpenVAS scanning, resource usage should always be taken into account. Whether you are running […]
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SSH Examples, Tips & Tunnels

Practical SSH examples to take your remote system admin game to the next level. Commands and tips to not only use SSH but master ways to move around the network. Knowing a few ssh tricks will benefit any system administrator, network engineer or security professional.
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Two factor (2FA) SSH with Google Authenticator

Configuring two factor authentication on SSH is actually quite straightforward. Using Google Authenticator we can get setup and running in about 8 minutes. If we were to use another method such as a hardware based token we would have to wait for delivery of the token (for example YubiKey) - that would take way longer. […]
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Tcpdump Examples

Practical tcpdump examples to lift your network troubleshooting and security testing game. Commands and tips to not only use tcpdump but master ways to know your network. Knowing tcpdump is an essential skill that will come in handy for any system administrator, network engineer or security professional.
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Using Nmap on Windows

Running Nmap on Windows is not as difficult or problematic as it was in the past. Nmap is supported on Windows 7 and higher with performance close to if not quite as good as Linux based operating systems. The majority of users still do use *nix based systems however a good number of people use […]
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Wireshark Tutorial and Cheat Sheet

Examples to Understand the Power of Wireshark Wireshark can be useful for many different tasks, whether you are a network engineer, security professional or system administrator. Here are a few example use cases: Troubleshooting Network Connectivity Visually understand packet loss Review TCP retransmission Graph high latency packet responses Examination of Application Layer Sessions (even when […]
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