Ransomware Blogs - Attivo Networks

Yanluowang Ransomware– Protecting Against Active Directory

Reading Time: 2 minutes
Written by: Venu Vissamsetty, VP of Security Research - Yanluowang is the latest targeted ransomware attack that enumerates Active Directory.  It uses tools like ADFind to perform domain reconnaissance, escalate domain privileges, and deploy ransomware across the organization. Active Directory provides managed domain services such ...
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Leveraging MITRE Shield to Defend Against Ransomware

Reading Time: 3 minutes
Written by: Joseph R. Salazar, CISSP, CEH, EnCE - Ransomware attacks have evolved and grown in number.  Traditional ransomware sought to spread and encrypt as many endpoints as possible, but Ransomware 2.0 attacks employ advanced methods or have a human controller directing their activities. These ...
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Kaseya VSA Supply Chain Ransomware Attack

Reading Time: 2 minutes
Written by: Joseph Salazar, Technical Marketing Engineer - A significant reminder of the SolarWinds attack, attackers have once again targeted a trusted software vendor, this time Kaseya, to compromise hundreds of businesses and deploy ransomware. There are reports that the REvil ransomware group was behind ...
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Attivo Networks and the Conti Ransomware

Reading Time: 4 minutes
Written by: Joseph Salazar, Technical Marketing Engineer - In mid-May 2021, the FBI released a security report identifying at least 16 Conti ransomware attacks over the past year on healthcare and first-responder networks, including law enforcement agencies, emergency medical services, 9-1-1 dispatch centers, and municipalities. ...
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Darkside Ransomware Attack and Domain Compromise

Reading Time: 2 minutes
Author: Venu Vissamsetty, V.P Security Research, Attivo Networks - Colonial Pipeline, one of the largest pipeline operators in the United States, had to shut down operations on May 8th, 2021 after becoming the victim of a ransomware attack. The FBI confirmed that the DarkSide ransomware ...
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Stop DearCry Ransomware Exploits of Hafnium

Reading Time: 2 minutes
Author: Venu Vissamsetty, V.P Security Research, Attivo Networks -The recent Hafnium attacks drew attention to several Microsoft Exchange Server vulnerabilities, but other groups are taking advantage of these to launch ransomware attacks. Attackers are targeting enterprises exploiting the four recent Microsoft Exchange Server vulnerabilities (CVE-2021-26855, ...
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Secure Your Shared Resources from Adversaries Exploiting SMB and Windows Admin Shares

Reading Time: 3 minutes
Vikram Navali, Senior Technical Product Manager - The tactics employed by adversaries are as varied as their motives. Some prefer spear-phishing, while others make use of malware, executing targeted attacks. However, the result is inevitably the same: getting unprivileged access to shared resources like files, ...
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Microsoft Active Directory as a Prime Target for Ransomware Operators

Reading Time: 4 minutes
Written by: Joseph Salazar, Technical Marketing Manager & Juan Carlos Vázquez, Sales Manager -The Active Directory (AD) infrastructure remains critical in so-called “human-operated” ransomware campaigns and post-compromise extortion, which represents a significant threat to businesses and a detection challenge in the short time they have ...
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Preventing SCCM Compromise and Deployment of Ransomware

Reading Time: 3 minutes
Author: Biju Varghese, Technical Product Manager - Adversaries are adopting creative methods in these COVID-19 epidemic conditions to gain access to company assets. Ransomware is one such creative digital form of extortion that affects companies of all sizes. One prevalent method adversaries use to compromise ...
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Attivo Networks’ Effective Approach to Fight Ransomware

Reading Time: 6 minutes
Written by: Juan Carlos Vasquez and Joseph R. Salazar - Many reports about ransomware issues only cover recommendations around patching, backing up, user awareness, or compensating for legacy technologies such as IDS. However, they omit active defense-oriented approaches or techniques that genuinely provide the ability ...
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