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Threat Research
Taking Microsoft Office by "Storm"
Jul 18, 2023
The “Storm-0978” ransomware group is actively exploiting an unpatched Microsoft Office and Windows HTML remote code execution vulnerability.
Imposter Syndrome: UI Bug in Visual Studio Lets Attackers Impersonate Publishers
Jun 07, 2023
Varonis Threat Labs found a bug in Microsoft Visual Studio installer that allows an attacker to impersonate a publisher and issue a malicious extension to compromise a targeted system
Ghost Sites: Stealing Data From Deactivated Salesforce Communities
May 31, 2023
Varonis Threat Labs discovered improperly deactivated Salesforce 'ghost' Sites that are easily found, accessible, and exploitable by attackers.
HardBit 2.0 Ransomware
Feb 20, 2023
HardBit is a ransomware threat that targets organizations to extort cryptocurrency payments for the decryption of their data. Seemingly improving upon their initial release, HardBit version 2.0 was introduced toward the end of November 2022, with samples seen throughout the end of 2022 and into 2023.
Neo4jection: Secrets, Data, and Cloud Exploits
Feb 08, 2023
With the continuous rise of graph databases, especially Neo4j, we're seeing increased discussions among security researchers about issues found in those databases. However, given our experience with graph databases ― from designing complex and scalable solutions with graph databases to attacking them ― we've noticed a gap between public conversations and our security researchers' knowledge of those systems.
VMware ESXi in the Line of Ransomware Fire
Feb 07, 2023
Servers running the popular virtualization hypervisor VMware ESXi have come under attack from at least one ransomware group over the past week, likely following scanning activity to identify hosts with Open Service Location Protocol (OpenSLP) vulnerabilities.
CrossTalk and Secret Agent: Two Attack Vectors on Okta's Identity Suite
Jan 23, 2023
Varonis Threat Labs discovered and disclosed two attack vectors on Okta's identity suite: CrossTalk and Secret Agent.
Varonis Threat Labs Discovers SQLi and Access Flaws in Zendesk
Nov 15, 2022
Varonis Threat Labs found a SQL injection vulnerability and a logical access flaw in Zendesk Explore, the reporting and analytics service in the popular customer service solution, Zendesk.
The Logging Dead: Two Event Log Vulnerabilities Haunting Windows
Oct 25, 2022
You don’t have to use Internet Explorer for its legacy to have left you vulnerable to LogCrusher and OverLog, a pair of Windows vulnerabilities discovered by the Varonis Threat Labs team.
Fighting Golden Ticket Attacks with Privileged Attribute Certificate (PAC)
Sep 15, 2022
Learn how and why to control the Active Directory Environment state with PACRequestorEnforcement, the implications of doing so and how to detect Golden Ticket attacks happening in your network.
Anatomy of a SolidBit Ransomware Attack
Aug 22, 2022
Solidbit is a ransomware variant derived from Yashma and containing elements of LockBit. Discover how Solidbit's capabilities, execution, what file types it targets, and how to tell if you're been infected.
Anatomy of a LockBit Ransomware Attack
Jun 17, 2022
A detailed case study of the exact techniques and methods that threat actors used in a real-life ransomware attack.
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