Simple Data Exfiltration Through XSS

During a recent engagement, I found a cross-site scripting (XSS) vulnerability in a legal document management application and created a quick and dirty document exfiltration payload. Unfortunately, this discovery and coding happened on the final day of the engagement (*cough* reporting bonus hacking day), and I didn’t have a chance to actually put the exfiltrated…

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ADExplorer on Engagements

ADExplorer is a tool I have always had in my backpack. It can be useful for both offensive and defensive purposes, but in this post, I am going to focus more on its offensive use. The tool itself can be found here: https://docs.microsoft.com/en-us/sysinternals/downloads/adexplorer A typical scenario I often face on engagements is that I have…

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Companies on High Alert for Unemployment Fraud

Proactive Measures to Thwart Unemployment Fraud In the past few months, the TrustedSec Incident Response team has responded to several incidents of unemployment benefit fraud. Due to the pandemic and nationwide lockdowns, there has been an extremely high volume of unemployment claims submitted across the United States, and with greater instances of fraud making it difficult…

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More Options for Response Modification -With ResponseTinker

As the web application footprint migrates client-side, tools to thoroughly analyze and test client behavior are becoming increasingly important. Burp Suite has made some great strides in this direction with their browser-based enhancements to crawling and scanning, but when it comes time to really dig into the particulars for research, we are still very much…

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TrustedSec Incident Response Team Slack AMA 02.17.2021

On February 17, 2021 TrustedSec hosted an ‘Ask Me Anything’ on our Slack Workplace with TrustedSec’s Incident Response Team. Many great questions were asked and lots of information exchanged that we didn’t want to get lost with time, so we’ve put together this blog with questions and the conversation that blossomed from them. Please note:…

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TrustedSec Moves Headquarters to Fairlawn

Groundbreaking Event with City Officials on March 22 Internationally prominent cybersecurity company TrustedSec is moving its operations to Fairlawn, Ohio. We announced our plan to move our headquarters to Fairlawn, Ohio in early 2020. Those plans are finally coming to life, starting with our groundbreaking on Monday, March 22! Below is our official press release…

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COFFLoader: Building your own in memory loader or how to run BOFs

Intro Have you heard of the new Beacon Object File (BOF) hotness? Have you ever thought that you should be able to run those outside of Cobalt Strike? Well, if that’s the case, you came to the right place. In this post, we’ll go through the basic steps of understanding and building an in-memory loader…

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Who Left the Backdoor Open? Using Startupinfo for the Win

In the endless quest to research additional Windows system forensic artifacts to use during an Incident Response investigation, I stumbled across something I thought was cool. This definitely wasn’t a new artifact, it was just a specific native Windows XML file that I wasn’t aware of. I noticed this file was not commonly used from…

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Group Policy for Script Kiddies

Introduction I’ve finally moved up in the world and am pwning companies instead of n00bs, but all the workstations are locked down. What is this Group Policy thing? Why is it harshing my mellow? So, you’ve finally moved up into the big leagues. You’re no longer wasting your time hacking your friends, parents, or that…

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