Security News

Fortinet has released fixes to address 15 security flaws, including one critical vulnerability impacting FortiOS and FortiProxy that could enable a threat actor to take control of affected systems. "A buffer underwrite vulnerability in FortiOS and FortiProxy administrative interface may allow a remote unauthenticated attacker to execute arbitrary code on the device and/or perform a DoS on the GUI, via specifically crafted requests," Fortinet said in an advisory.

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A previously undocumented Python backdoor targeting VMware ESXi servers has been spotted, enabling hackers to execute commands remotely on a compromised system. VMware ESXi is a virtualization platform commonly used in the enterprise to host numerous servers on one device while using CPU and memory resources more effectively.

MuddyWater hackers, a group associated with Iran's Ministry of Intelligence and Security (MOIS), used compromised corporate email accounts to deliver phishing messages to their targets. [...]

VMware has released security updates to address three critical severity vulnerabilities in the Workspace ONE Assist solution that enable remote attackers to bypass authentication and elevate privileges to admin. Workspace ONE Assist provides remote control, screen sharing, file system management, and remote command execution to help desk and IT staff remotely access and troubleshoot devices in real time from the Workspace ONE console.

A recently discovered backdoor malware called BPFdoor has been stealthily targeting Linux and Solaris systems without being noticed for more than five years. BPFdoor is a Linux/Unix backdoor that allows threat actors to remotely connect to a Linux shell to gain complete access to a compromised device.

Remote Access Trojan adds ransomware and DDoS attacks to usual bag of tricks. The Remote Access Trojan, or RAT for short, is a powerful tool among cybercriminals as it allows them to fully access and control a compromised computer or device to steal data or launch additional attacks.

A new remote access trojan named Borat has appeared on darknet markets, offering easy-to-use features to conduct DDoS attacks, UAC bypass, and ransomware deployment. As a RAT, Borat enables remote threat actors to take complete control of their victim's mouse and keyboard, access files, network points, and hide any signs of their presence.

One of the biggest obstacles to successful phishing attacks is bypassing multi-factor authentication configured on the targeted victim's email accounts. D0x set up a phishing attack using the Evilginx2 attack framework that acts as a reverse proxy to steal credentials and MFA codes.

Since December 2021, a growing trend in phishing campaigns has emerged that uses malicious PowerPoint documents to distribute various types of malware, including remote access and information-stealing trojans. According to a report by Netskope's Threat Labs shared with Bleeping Computer before publication, the actors are using PowerPoint files combined with legitimate cloud services that host the malware payloads.