The MGM Cybersecurity Breach: Learnings and Prevention Measures

As many are aware, the systems of the $14 billion dollar gaming and hospitality giant MGM have been brought to a halt for nearly 5 days due to a multi-vector attack that has come to affect Caesars Entertainment as well. While the culprits of the attack are not confirmed, hacking group Scattered...

Malware distributor Storm-0324 facilitates ransomware access

The threat actor that Microsoft tracks as Storm-0324 is a financially motivated group known to gain initial access using email-based initial infection vectors and then hand off access to compromised networks to other threat actors. These handoffs frequently lead to ransomware deployment. Beginnin...

Earth Estries Targets Government, Tech for Cyberespionage

We break down a new cyberespionage campaign deployed by a cybercriminal group we named Earth Estries. Analyzing the tactics, techniques, and procedures TTPs employed, we observed overlaps with the advanced persistent threat APT group FamousSparrow as Earth Estries targets governments and...

Decoding the DNA of Ransomware Attacks: Unveiling the Anatomy Behind the Threat

Decoding the DNA of Ransomware Attacks: Unveiling the Anatomy Behind the Threat By Trellix Advanced Research Center · August 28, 2023 Introduction Ransomware, a malicious software that encrypts valuable data and demands a ransom for its release, has a notorious history marked by its evolution fro...

Lazarus Group's infrastructure reuse leads to discovery of new malware

In the Lazarus Groups latest campaign, which we detailed in a recent blog, the North Korean state-sponsored actor is exploiting CVE-2022-47966, a ManageEngine ServiceDesk vulnerability to deploy multiple threats. In addition to their "QuiteRAT" malware, which we covered in the blog, we also...

Andariel’s silly mistakes and a new malware family

Introduction Andariel, a part of the notorious Lazarus group, is known for its use of the DTrack malware and Maui ransomware in mid-2022. During the same period, Andariel also actively exploited the Log4j vulnerability as reported by Talos and Ahnlab. Their campaign introduced several new malware...

Activities in the Cybercrime Underground Require a New Approach to Cybersecurity

As Threat Actors Continuously Adapt their TTPs in Today's Threat Landscape, So Must You Earlier this year, threat researchers at Cybersixgill released the annual report, The State of the Cybercrime Underground. The research stems from an analysis of Cybersixgill's collected intelligence items...

LockBit ransomware advisory from CISA provides interesting insights

The US Cybersecurity and Infrastructure Security Agency CISA, Federal Bureau of Investigation FBI, Multi-State Information Sharing and Analysis Center MS-ISAC, and the cybersecurity authorities of Australia, Canada, United Kingdom, Germany, France, and New Zealand CERT NZ, NCSC-NZ have all...

Behind the Scenes: Unveiling the Hidden Workings of Earth Preta

This blog entry discusses the more technical details on the most recent tools, techniques, and procedures TTPs leveraged by the Earth Preta APT group, and tackles how we were able to correlate different indicators connected to this threat actor...

Bridging the Security Gap: Mitigating Lateral Movement Risks from On-Premises to Cloud Environments

This blog post will discuss lateral movement risks from on-prem to the cloud. We will explain attacker TTPs, and outline best practices for cloud builders and defenders to help secure their cloud environments and mitigate risk...

Uncovering RedStinger - Undetected APT cyber operations in Eastern Europe since 2020

This blog post was authored by Malwarebytes' Roberto Santos and Fortinet's Hossein Jazi While the official conflict between Russia and Ukraine began in February 2022, there is a long history of physical conflict between the two nations, including the 2014 annexation of Crimea by Russia and when t...

#StopRansomware: LockBit 3.0

Actions to take today to mitigate cyber threats from ransomware: 1. Prioritize remediating known exploited vulnerabilities. 2. Train users to recognize and report phishing attempts. 3. Enable and enforce phishing-resistant multifactor authentication...

Shennina - Automating Host Exploitation With AI

Shennina is an automated host exploitation framework. The mission of the project is to fully automate the scanning, vulnerability scanning/analysis, and exploitation using Artificial Intelligence. Shennina is integrated with Metasploit and Nmap for performing the attacks, as well as being...

Iranian hacking group uses compromised email accounts to distribute MSP remote access tool

Researchers have uncovered a new campaign by hacking group MuddyWater, aka Static Kitten, in which a legitimate remote access tool is sent to targets from a compromised email account. The targets in this campaign are reportedly in Armenia, Azerbaijan, Egypt, Iraq, Israel, Jordan, Oman, Qatar,...

#StopRansomware: Cuba Ransomware 

Today, the Federal Bureau of Investigation FBI and CISA released a joint Cybersecurity Advisory CSA StopRansomware: Cuba Ransomware to provide network defenders tactics, techniques, and procedures TTPs and indicators of compromise IOCs associated with Cuba ransomware. FBI investigations identifie...

Iranian Government-Sponsored APT Actors Compromise Federal Network, Deploy Crypto Miner, Credential Harvester

Summary From mid-June through mid-July 2022, CISA conducted an incident response engagement at a Federal Civilian Executive Branch FCEB organization where CISA observed suspected advanced persistent threat APT activity. In the course of incident response activities, CISA determined that cyber...

#StopRansomware: Hive

Today, CISA, the Federal Bureau of Investigation FBI, and the Department of Health and Human Services HHS released joint Cybersecurity Advisory CSA StopRansomware: Hive Ransomware to provide network defenders tactics, techniques, and procedures TTPs and indicators of compromise IOCs associated wi...

Microsoft Defender Experts for Hunting demonstrates industry-leading protection in the 2022 MITRE Engenuity ATT&CK® Evaluations for Managed Services

Microsoft Defender Experts for Hunting, our newest managed threat hunting service, delivered industry-leading results during the inaugural MITRE Engenuity ATT&CK® Evaluations for Managed Services. We provided a seamless, comprehensive, and rapid response to the simulated attack using expert-led...

New Chinese Cyberespionage Group Targeting IT Service Providers and Telcos

Telecommunications and IT service providers in the Middle East and Asia are being targeted by a previously undocumented Chinese-speaking threat group dubbed WIP19. The espionage-related attacks are characterized by the use of a stolen digital certificate issued by a Korean company called DEEPSoft...

Lateral movement risks in the cloud and how to prevent them – Part 1: the network layer (VPC)

In this first blog post, we will introduce lateral movement as it pertains to the VPC. We will discuss attacker TTPs, and outline best practices for security practitioners and cloud builders to help secure their cloud environment and reduce risk...