• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer

War Room

Shells from above

RSM logo

  • Home
  • About
  • Blog
  • Talks/Whitepapers
  • Tools
  • Recreation

Blog

Intel Insights – USB Flash Drive Bombs Observed in Ecuador

March 24, 2023 By Joel Belton

RSM Defense Intelligence has observed some claims and reports of a Universal Serial Bus (USB) thumb drive or commonly called flash drive being used as single detonation bombs. One such example was in Ecuador. The device was mailed to a journalist and Ecuadorian television presenter, which resulted in the USB being utilized as an explosive after being plugged into the USB ... READ MORE

Managed Vs. Federated Office 365: What’s the Difference?

March 14, 2023 By Ryan Shockling

Computer

When considering the methods of attack an organization should defend itself, what comes to mind? Certainly, you should defend yourself against the most devastating forms of attack. That missing patch that leads to full domain compromise? Take care of that immediately. That password policy that means everyone uses “1234”? Should probably look at that too. What about the most ... READ MORE

Intel Insights – VMWare ESXi and ESXiArgs Ransomware

February 13, 2023 By Joel Belton

RSM Defense Intelligence has observed open-source reporting, as well as notifications from CISA(JCSA_AA23-039A),  which indicates that malicious actors are exploiting known vulnerabilities in VMware ESXi software to gain access to servers and deploy ESXiArgs ransomware. Vulnerabilities utilized by the malicious actors include CVE-2021-21974 (CVSS 8.8), CVE-2020-3992 (CVSS 9.8), ... READ MORE

How to Perform OGNL Injection

February 2, 2023 By RSM Author

While we frequently discuss SQL injection and command injection, OGNL injection receives a lot less attention. What is OGNL? OGNL stands for “Object Graph Navigation Language,” which is written through Java and is used in the Apache Struts2 framework for web applications. Struts2 was originally created to build “enterprise ready web applications” and was known for being able ... READ MORE

Intel Insights – ChatGPT: Good Angel or Bad Robot?

January 27, 2023 By Joel Belton

Since the roll out of Open AI’s publicly accessible ChatGPT (Generative Pre-training Transformer) on November 30, 2022, ChatGPT has been subject to widespread attention both in the Clearnet and “DarkWeb”. ChatGPT is based on the GPT architecture and was first released in 2019. Since then, it has undergone several updates and major changes. The GPT model was trained on a ... READ MORE

Intel Insights – Emotet recommences email spam operations after five-month break

January 13, 2023 By Joel Belton

RSM Defense Analyst Notes: On November 2nd, 2022, Cryptolaemus researchers observed the Emotet malware operation spamming malicious emails after a nearly five-month period of little activity. The current campaign uses stolen email reply chains to distribute malicious Excel attachments. The attachments target users worldwide using various languages and files names, masquerading ... READ MORE

Back To Basics: NTLM Relay

January 4, 2023 By RSM Author

BacktoBasics NTLM Relay

Despite being a veteran protocol, New Technology Lan Manager (NTLM) remains one of the most common authentication protocols used in Windows environments. Even though Kerberos offers enhanced security features over NTLM, many systems and functions still depend on NTLM, making it impossible for most organizations to move away from it entirely. Unfortunately, there are a number ... READ MORE

Back to Basics: Brute Forcing Techniques

November 16, 2022 By RSM Author

During an attack, a threat actor can often enumerate leverageable information through open-source intelligence (OSINT) gathering techniques. This can include information on users that are present on the target environment, such as usernames and email addresses. Often, a threat actor can use this information to craft a targeted list of users to facilitate a variety of attack ... READ MORE

2022 Attack Vectors Report

October 27, 2022 By RSM Author

Attack Vectors Report 2022

For many years, RSM has made a continuous effort to assist organizations in addressing cybersecurity challenges, provide tools to achieve a desired state of security, and deliver guidance for attack prevention. We perform security penetration testing to simulate attacks on internal networks and closely mimic security breaches within controlled environments. By conducting these ... READ MORE

Back to Basics: Kerberoasting

October 26, 2022 By RSM Author

Welcome back to our "Back to Basics" series, where we provide you with an overview of the bread and butter pentesting techniques that we regularly see compromise networks. In this week's installment, we're looking at Kerberoasting. Kerberoasting is a method to capture hashed passwords using the Kerberos network authentication protocol. This protocol protects network services ... READ MORE

  • Go to page 1
  • Go to page 2
  • Go to page 3
  • Interim pages omitted …
  • Go to page 25
  • Go to Next Page »

Primary Sidebar

Categories

  • Defense
  • Forensics
  • Offense
  • Physical
  • R&D

Most Viewed Posts

  • DLL Injection Part 1: SetWindowsHookEx 10.8k views
  • Sophos UTM Home Edition – 3 – The Setup 10.8k views
  • Leveraging MS16-032 with PowerShell Empire 10k views
  • Bypassing Gmail’s Malicious Macro Signatures 9.8k views
  • How to Bypass SEP with Admin Access 8.9k views

Footer

  • RSS
  • Twitter
  • Tools
  • About
  • RSM US LLP

+1 800 903 6264

1 S Wacker Dr Suite 800
Chicago, IL 60606

Copyright © 2023 RSM US LLP. All rights reserved. RSM US LLP is a limited liability partnership and the U.S. member firm of RSM International, a global network of independent audit, tax and consulting firms. The member firms of RSM International collaborate to provide services to global clients, but are separate and distinct legal entities that cannot obligate each other. Each member firm is responsible only for its own acts and omissions, and not those of any other party. Visit for more information regarding RSM US LLP and RSM International.