Security News

A legitimate Windows search feature is being exploited by malicious actors to download arbitrary payloads from remote servers and compromise targeted systems with remote access trojans such as AsyncRAT and Remcos RAT. The novel attack technique, per Trellix, takes advantage of the "Search-ms:" URI protocol handler, which offers the ability for applications and HTML links to launch custom local searches on a device, and the "Search:" application protocol, a mechanism for calling the desktop search application on Windows. It's worth noting that clicking on the link also generates a warning "Open Windows Explorer?," approving which "The search results of remotely hosted malicious shortcut files are displayed in Windows Explorer disguised as PDFs or other trusted icons, just like local search results," the researchers explained.

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A new phishing campaign codenamed MULTI#STORM has set its sights on India and the U.S. by leveraging JavaScript files to deliver remote access trojans on compromised systems. The multi-stage attack chain commences when an email recipient clicks the embedded link pointing to a password-protected ZIP file hosted on Microsoft OneDrive with the password "12345."

Linux routers in Japan are the target of a new Golang remote access trojan called GobRAT. "Initially, the attacker targets a router whose WEBUI is open to the public, executes scripts possibly by using vulnerabilities, and finally infects the GobRAT," the JPCERT Coordination Center said in a report published today. The compromise of an internet-exposed router is followed by the deployment of a loader script that acts as a conduit for delivering GobRAT, which, when launched, masquerades as the Apache daemon process to evade detection.

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A Croatian national has been arrested for allegedly operating NetWire, a Remote Access Trojan marketed on cybercrime forums since 2012 as a stealthy way to spy on infected systems and siphon passwords.The arrest coincided with a seizure of the NetWire sales website by the U.S. Federal Bureau of Investigation.

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. [...]