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Threat Research
Azure Skeleton Key: Exploiting Pass-Through Auth to Steal Credentials
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 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...
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,...
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...
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...