RSS ze světa hackingu

Stopping new and evasive threats is one of the greatest challenges in cybersecurity. This is among the biggest reasons why attacks increased dramatically in the past year yet again, despite the estimated $172 billion spent on global cybersecurity in 2022. Armed with cloud-based tools and backed by sophisticated affiliate networks, threat actors can develop new and evasive malware more quickly…

Networking equipment maker Zyxel has released patches for a critical security flaw in its firewall devices that could be exploited to achieve remote code execution on affected systems. The issue, tracked as CVE-2023-28771, is rated 9.8 on the CVSS scoring system. Researchers from TRAPA Security have been credited with reporting the flaw. "Improper error message handling in some firewall versions…

A significant number of victims in the consumer and enterprise sectors located across Australia, Japan, the U.S., and India have been affected by an evasive information-stealing malware called ViperSoftX. ViperSoftX was first documented in 2020, with cybersecurity company Avast detailing a campaign in November 2022 that leveraged the malware to distribute a malicious Google Chrome extension…

An ongoing Magecart campaign has attracted the attention of cybersecurity researchers for leveraging realistic-looking fake payment screens to capture sensitive data entered by unsuspecting users. "The threat actor used original logos from the compromised store and customized a web element known as a modal to perfectly hijack the checkout page," Jérôme Segura, director of threat intelligence at…

South Korean education, construction, diplomatic, and political institutions are at the receiving end of new attacks perpetrated by a China-aligned threat actor known as the Tonto Team. "Recent cases have revealed that the group is using a file related to anti-malware products to ultimately execute their malicious attacks," the AhnLab Security Emergency Response Center (ASEC) said in a report…

Google on Wednesday said it obtained a temporary court order in the U.S. to disrupt the distribution of a Windows-based information-stealing malware called CryptBot and "decelerate" its growth. The tech giant's Mike Trinh and Pierre-Marc Bureau said the efforts are part of steps it takes to "not only hold criminal operators of malware accountable, but also those who profit from its distribution.…

A little-known Russian-speaking cyber-espionage group has been linked to a new politically-motivated surveillance campaign targeting high-ranking government officials, telecom services, and public service infrastructures in Tajikistan. The intrusion set, dubbed Paperbug by Swiss cybersecurity company PRODAFT, has been attributed to a threat actor known as Nomadic Octopus (aka DustSquad). "The…

Remote Access Trojans (RATs) have taken the third leading position in ANY. RUN's Q1 2023 report on the most prevalent malware types, making it highly probable that your organization may face this threat. Though LimeRAT might not be the most well-known RAT family, its versatility is what sets it apart. Capable of carrying out a broad spectrum of malicious activities, it excels not only in data…

The threat actors behind RTM Locker have developed a ransomware strain that's capable of targeting Linux machines, marking the group's first foray into the open source operating system. "Its locker ransomware infects Linux, NAS, and ESXi hosts and appears to be inspired by Babuk ransomware's leaked source code," Uptycs said in a new report published Wednesday. "It uses a combination of ECDH on…

Microsoft has confirmed that the active exploitation of PaperCut servers is linked to attacks designed to deliver Cl0p and LockBit ransomware families. The tech giant's threat intelligence team is attributing a subset of the intrusions to a financially motivated actor it tracks under the name Lace Tempest (formerly DEV-0950), which overlaps with other hacking groups like FIN11, TA505, and Evil…