Microsoft Patch Tuesday addresses a zero-day vulnerability in Windows Kernel

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here Microsoft addressed 51 vulnerabilities in the February 2022 patch Tuesday release, one of which was classified as a zero-day vulnerability. A remote attacker could exploit some of these vulnerabilities to gain control of a...

Living Off the Land: How to Defend Against Malicious Use of Legitimate Utilities

Living-off-the-land binaries LOLBins are no joke: Cyberattackers have been increasingly making use of them to hide their malicious work from security solutions. It’s time for threat hunters and IT security staff to familiarize themselves with how these are used in the attack chains of some of the...

2021 Cybersecurity Superlatives: An InsightIDR Year in Review

We laughed, we cried, we added over 750 new detections. It's been a rollercoaster of a year for everyone. So let's have some fun with our 2021 year in review — shall we? The last year was an exciting one for InsightIDR, Rapid7's industry-leading extended detection and response XDR and SIEM...

Trellix Threat Report: Log4j Attack, Ransomware & APT Threats

Trellix Threat Report: Log4j Attack, Ransomware & APT Threats By Trellix · January 31, 2022 This story was written by Raj Samani. Ransomware continues to threaten enterprises and assets around the globe, but it was the discovery of a new vulnerability affecting widely used Log4j library that...

Trellix Threat Report: Log4j Attack, Ransomware & APT Threats

Trellix Threat Report: Log4j Attack, Ransomware & APT Threats By Trellix · January 31, 2022 This story was written by Raj Samani. Ransomware continues to threaten enterprises and assets around the globe, but it was the discovery of a new vulnerability affecting widely used Log4j library that...

Measure the effectiveness of your Microsoft security with AttackIQ

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. To improve an organization’s cybersecurity readiness, you need to test that your detection and prevention technologies work as intended and that your security program is performing a...

Measure the effectiveness of your Microsoft security with AttackIQ

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. To improve an organization’s cybersecurity readiness, you need to test that your detection and prevention technologies work as intended and that your security program is performing a...

NETGEAR XR1000 Trust Management Issue Vulnerability

The NETGEAR xr1000 is a router from Netgear, Inc. A hardware device that connects two or more networks and acts as a gateway between networks, the NETGEAR XR1000 device suffers from a security vulnerability that stems from the fact that NETGEAR XR1000 devices prior to 1.0.0.58 are subject to...

What's New in InsightIDR: Q4 2021 in Review

More context and customization around detections and investigations, expanded dashboard capabilities, and more. This post offers a closer look at some of the recent releases in InsightIDR, our extended detection and response XDR solution, from Q4 2021. Over the past quarter, we delivered updates ...

What the Rise in Cyber-Recon Means for Your Security Strategy

As we move into 2022, bad actors are ramping up their reconnaissance efforts to ensure more successful and more impactful cyberattacks. And that means more zero-day exploits are on the horizon. When seen through an attack chain such as the MITRE ATT&CK framework, campaigns are frequently discusse...

Detect Exploitation Attempts With Qualys XDR (Beta)

The recently announced Log4JShell / CVE-2021-44228 exploit is the latest reminder of why it’s so important to maintain an enterprise-wide view of your security posture. The heart of the exploit centers around misuse of the JNDI lookup function built into log4j. Impact: There are multiple proofs o...

The Evolution of IoT Linux Malware Based on MITRE ATT&CK TTPs

In our study, we relied on the tactics, techniques, and procedures of MITRE ATT&CK to define the malware capabilities and characteristics of IoT Linux malware. We describe our findings and how IoT malware has been evolving...

DetectionLabELK - A Fork From DetectionLab With ELK Stack Instead Of Splunk

DetectionLabELK is a fork from Chris Long's DetectionLab with ELK stack instead of Splunk. Description: DetectionLabELK is the perfect lab to use if you would like to build effective detection capabilities. It has been designed with defenders in mind. Its primary purpose is to allow blueteams to...

APT Actors Exploiting Newly Identified Vulnerability in ManageEngine ADSelfService Plus

Summary This Joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 8. See the ATT&CK for Enterprise for referenced threat actor tactics and for techniques. This joint advisory is the result of analytic efforts between the...

2022 Planning: Prioritizing Defense and Mitigation Through Left of Boom

In the military, the term “left of boom" refers to the strategy and tactics required to prevent — and protect personnel from — explosions by making proactive decisions before the event happens. Unless you've been fortunate enough to avoid tech and media press for the past 24 months, it should be...

Building Threat-Informed Defenses: Rapid7 Experts Share Their Thoughts on MITRE ATT&CK

MITRE ATT&CK is considered by practitioners and the analyst community to be the most comprehensive framework of cybersecurity attacks and mitigation techniques available today. MITRE helps the security industry speak the same language and stick to a well-known, common framework. To get more detai...

BlackMatter ransomware group announces shutdown. But for how long?

The BlackMatter ransomware gang has announced they are going to shut down their operation, citing pressure from local authorities. And pressure there is. Only two weeks ago, we wrote about a warning that the Federal Bureau of Investigation FBI, the Cybersecurity and Infrastructure Security Agency...

Protect yourself from BlackMatter ransomware: Advice issued

Despite promises made by the BlackMatter ransomware gang about which organizations and business types they would avoid, multiple US critical infrastructure entities have been targeted. Now, the Federal Bureau of Investigation FBI, in conjunction with the Cybersecurity and Infrastructure Security...

BlackMatter Ransomware

Summary Actions You Can Take Now to Protect Against BlackMatter Ransomware • Implement and enforce backup and restoration policies and procedures. • Usestrong, unique passwords. • Usemulti-factor authentication. • Implement network segmentation and traversal monitoring. Note: this advisory uses t...

Tenacity 2.0 – Emulating Threat groups

Introduction The previous article: Tenacity – An Adversary Emulation Tool for Persistence, walked us through the working of Tenacity, techniques it supports, and how it can help organizations and individuals to validate the risk posture. As with the second installment of the series, this post wil...