On a recent penetration test, I discovered that manually attempting to log into Office.com would give an indication as to whether an email address exists or not. Both of the techniques I was familiar with for Office365 username enumeration, using the Autodiscover API and ActiveSync, have both been fixed so this was definitely something worth exploring. I captured a few ... READ MORE
Offense
Socially Susceptible – Augmenting phishing with machine learning classifiers
Crafting sophisticated phishing campaigns is a necessary part of offensive tradecraft for testing security conscious and complex environments. The old adage goes "a chain is only as strong as its weakest link". Historically this chain has been people, but with increased resources and focus on testing, attackers have worked to find ways to increase their chances of gaining a ... READ MORE
Netscaler Still in the Wild
It has been two months since Cirtix released details about CVE-2019-19781, a vulnerability found in their NetScaler product. In that time, we here at RSM have been working with several of our clients to help mitigate this vulnerability and remediate the effects of any successful compromises on their systems. Unfortunately, it appears that many more networks are affected by this ... READ MORE
Solarwinds
How a Default SolarWinds Guest Account Can Facilitate Compromise – and How to Fix It The Problem SolarWinds is a leading provider of network monitoring and configuration management software. However, there’s a default feature on the SolarWinds Orion Network Performance Monitor tool that could be putting your organization at big risk. The issue is a default guest account ... READ MORE
Google Dorks
Google Dork: Finding the Information You Don’t Know Exists Reconnaissance Reconnaissance. It’s a technique not unknown to most teenagers, and if we’re honest, we’ve all done it ourselves too – Googling the person you just met at the bar, Facebook stalking the new person at work, we all know the drill. This is the age of social media and data breaches, so we all know there’s a ... READ MORE
Saurus’ Guide to Security+
Hello fellow security professionals and those aspiring to be! Saurus here and excited to write to you on a new blog post. Being a consultant keeps me fairly busy. In addition to managing my workload I recently obtained my COMPTIA Security+ certification. While the experience of taking the exam is still fresh in mind, I wanted to draft up a blog post about some of the ... READ MORE
Spam Filter Evasion With King Phisher
It's no secret that phishing is the top attack vector when it comes to external compromise. So when it comes to penetration testing this is a vector that we can not ignore. However, as consultants, we are interacting with different clients and environments almost every week. Much like endpoint protection, there are a multitude of different spam filters and protection controls ... READ MORE
Fire and Forget: Meterpreter Automation
Throughout the past year I have been conducting routine phishing assessments for a client. For their final test of the year, our point of contact wanted something consequential for those who fell for this phish... Something 'kinetic' if you will. They requested a 'Blue Screen of Death' approach, to which I ultimately opted for a less potentially destructive method. I would send ... READ MORE
CSRF on Anonymous Forms
Using CSRF on Anonymous Forms This article will focus on linking CSRF vulnerabilities with phishing attacks to extend the lifetime of your captured credentials. Cross Site Request Forgery (CSRF) vulnerabilities on anonymous forms are often ignored or overlooked, but when combined with a credential-harvesting phishing campaign it extends the life of your captured credentials. ... READ MORE
Quick Reference: Empire Persistence Modules
During a penetration test you may find yourself in a situation where your foothold in the network is tenuous and you need to establish persistence. Such as when your only foothold is on a workstation, the end of day is quickly approaching, and the user may shutdown their system. In these cases you'll likely have to save something to the hard disk, but what type of persistence ... READ MORE