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Articles by

Dolev Taler

Exploiting BGInfo to Infiltrate a Corporate Network

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...

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A Queen’s Ransom: Varonis Uncovers Fast-Spreading “SaveTheQueen” Ransomware

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...

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Varonis Uncovers Another New Strain of the Qbot Banking 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,...

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Varonis Uncovers New Malware Strains and a Mysterious Web Shell During a Monero Cryptojacking Investigation

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...

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Varonis Exposes Global Cyber Campaign: C2 Server Actively Compromising Thousands of Victims

The Varonis Security Research team discovered a global cyber attack campaign leveraging a new strain of the Qbot banking malware. The campaign is actively targeting U.S. corporations but has hit networks...

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