Threat Research

Imagine if everyone with an Amazon Echo in their home had to assume it’s been unlocking their doors and letting a thief inside for the past 6 months. How would you...

This Malware Trends Report – November 2020 is a monthly round-up from the Varonis Forensics Team documenting activity observed while responding to incidents, performing forensics, and reverse engineering malware samples....

Cybercriminals are using the Zerologon exploit to fast track lateral movement and privilege escalation. If left unpatched, the exploit lets attackers use the password of the primary domain controller to...

This report is a monthly round-up from the Varonis Forensics Team documenting activity observed while responding to incidents, performing forensics, and reverse engineering malware samples. This report is intended to...

An alert notifies you that something suspicious is going on. Minutes matter, so you call the Varonis Incident Response team to help. Security investigators must act fast, but where do...

Executive Summary There is a remote code execution attack vector within BGInfo. A clever attacker can embed a path to a malicious script within a BGInfo config file (.bgi). If...

EDIT: Security researcher Adam Chester had previously written about Azure AD Connect for Red Teamers, talking about hooking the authentication function. Check out his awesome write-up here. Should an attacker...

A new strain of ransomware encrypts files and appends them with the extension, “.SaveTheQueen,” and propagates using the SYSVOL share on Active Directory Domain Controllers. Our customers encountered this malware...

We have discovered and reverse engineered another new strain of Qbot, a sophisticated, well-known type of malware that collects sensitive data, such as browser cookies, digital certificate information, keystrokes, credentials,...

The Varonis Security Research team recently investigated an ongoing cryptomining infection that had spread to nearly every device at a mid-size company. Analysis of the collected malware samples revealed a...