In this video, Senior Incident Response & Research Consultant Scott Nusbaum demonstrates a method to extract and deobfuscate code from a malicious document. Upon rendering the code readable, Nusbaum works to gain an understanding of the goals the malware was attempting to accomplish and the processes by which it undertook that effort. This video is…
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Over the last several months, I’ve noticed something when discussing Incident Response (IR) with clients. There is often confusion between the expectation and reality concerning the end results of an IR investigation. My goal here is to clarify and set those expectations, and to show how Threat Hunting factors in. When TrustedSec gets called to…
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Opening Phishing attacks are a daily threat to all organizations and unfortunately, they are one of the hardest threats to protect against. No matter how many defensive layers an organization has put in place following best practice defense-in-depth design, it only takes one (1) user to click on that malicious link or open that weaponized…
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Office 365 is the most popular line of digital services for businesses for a reason, but when it comes to cyberattacks, its ubiquity is creating challenges. If it seems like every week there’s a new headline about a large-scale hacking incident, it’s not a case of rampant fake news. According to the 2018 Symantec Internet Security…
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In part one of this blog post series, we briefly looked at why IoC threat data enrichment is important, the value of knowing who your enemy is, and the process of turning threat data into threat intelligence. If you haven’t had a chance to read the first part of this series, take a few minutes…
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By the time an Incident Response consultant is contacted, the security event in question is already in motion. So, the goals become: rapid triage, assist in identifying the related threat risks, and make every effort to identify the threat actors involved. Attribution is very difficult when dealing with seasoned and well-funded threat actors, but it…
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Welcome to the third and final part of the blog series on the RDP honeypot that I set up. The first part took a look at RDP and how it can be better secured, while the second post analyzed what the attackers did once they got into the honeypot. In this post I’ll talk about…
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Welcome to part two of the three-part series on the Remote Desktop Protocol (RDP) honeypot I set up. In the first post, I discussed ways that RDP can be configured to be more secure (and how you should NEVER put it on the Internet). In this part, I’ll talk about what happened when my honeypot…
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Over the last several months, TrustedSec has noticed a common thread in the root cause of incidents we’ve investigated: Microsoft Remote Desktop Protocol (RDP) open to the Internet. RDP on the Internet is a very bad idea. Attackers are constantly searching for, and breaking into, systems set up in this way. Once in, they can…
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For quick access to the repo, click here. This post will be on how to setup and modify Cuckoo to work with a non-supported hypervisor, Proxmox. “Proxmox VE is a complete open-source platform for all-inclusive enterprise virtualization that tightly integrates KVM hypervisor and LXC containers, software-defined storage and networking functionality on a single platform, and…
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