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Cato Protects Against CVE-2023-23397 Exploits 

CATO Networks

An attacker can craft a.MSG file as a e form of a calendar invite that triggers an authentication attempt over the SMB protocol to an attacker-controlled endpoint without any user interaction. (.MSG MSG is the file format used to represent Outlook elements, such email messages, appointments, contacts, and tasks.)

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Protect Your Systems Now from the Critical Windows SMBv3 RCE Vulnerability

CATO Networks

At the beginning of the month, Microsoft released an advisory and security patch for a serious Windows Server Message Block (SMB) vulnerability called the Windows SMBv3 Client/Server Remote Code Execution Vulnerability (AKA Windows SMBv3 RCE or CVE-2020-0796). Windows SMBv3 RCE isnt the first vulnerability in SMB.

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WannaCry II: How to Stop NotPetya Infections with the Cato Cloud

CATO Networks

Like WannaCry, NotPetya leverages the SMB protocol to move laterally across the network, an EternalBlue exploit attributed to the National Security Agency (NSA) and leaked by the Shadow Brokers hacking group last April. The mailboxes that were used by the attackers have been disabled by the email provider.

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Cato CTRL Threat Research: Sophisticated Data Exfiltration Tools Used in Double Extortion Ransomware Attacks by Hunters International and Play 

CATO Networks

They typically gain initial access through phishing emails, social engineering, supply chain attacks, and Remote Desktop Protocol (RDP) exploits. One of the key features of RoboCopy is its ability to handle SMB (Server Message Block) traffic. RoboCopy supports various options and switches that enhance its functionality over SMB.

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A SASE Approach to Enterprise Ransomware Protection

CATO Networks

Cybercriminals can use these credentials with the remote desktop protocol (RDP) or virtual private networks (VPNs) to access and deploy malware on systems. Email Security: Another common method of delivering ransomware and other malware is phishing. Malicious Downloads: Phishing sites may offer ransomware files for download.

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