Despite being a relatively new player in the cyber threat arena, LockiBit ransomware quickly earned the fame of a prolific and dangerous malware strain. During 2020-2021, LockBit was consistently included in the list of the most active and notorious malicious samples. To achieve this, LockBit maintainers leverage Ransomware-as-a-Service (RaaS) model to involve more affiliates and […]
REvil gang may stand behind the brand-new malware variant that explicitly attacks enterprise Microsoft Exchange servers to penetrate corporate networks. The new threat relies on a batch of PowerShell scripts weaponized to exploit known vulnerabilities for final payload delivery. Currently, researchers confirmed at least one successful attack ended up in a 4.29BTC ($210,000) ransom payment. […]
Microsoft has recently fixed a highly critical bug (CVE-2021-31166), which enables remote code execution with kernel rights on the machines running Windows 10 and Windows Server. The vendor warns that this flaw is wormable and could self-propagate across multiple servers inside the organizational network to cause maximum harm. The Proof of Concept (PoC) exploit has […]
A major cybersecurity company Rapid7 announced that a limited number of its source code repositories were exposed in course of the Codecov supply chain attack. According to the official statement, the compromised repos contained internal credentials and alert-related data for its Managed Detection and Response (MDR) clients. Codecov Supply Chain Attack On April 15, 2021, […]
Yet another time security practitioners should brace themselves and check their coffee supplies due to a set of recently identified vulnerabilities in the Wi-Fi standard. Collectively called FragAttacks, these flaws affect nearly all wireless-enabled devices and allow adversaries to take control over the vulnerable systems to intercept secret information. Mathy Vanhoef, a security expert who […]
DarkSide ransomware, a relatively novel player in the cyber threat arena, continues to gather news headlines for successful attacks against world-leading vendors. The list of the recent intrusions includes the chemical distribution company Brenntag, which paid adversaries $4.4 million ransom, and Colonial Pipeline, a company providing fuel supply for the US East Coast. DarkSide Ransomware […]
A new version of SystemBC malware is increasingly leveraged by ransomware maintainers to pave their way into the targeted environments. Security experts indicate that top ransomware-as-a-service (RaaS) collectives, including DarkSide, Ryuk, and Cuba, leverage SystemBC as a persistent backdoor able to maintain access to the attacked instances and perform a variety of notorious activities. What […]
Security researchers from Kaspersky Lab have uncovered a previously unknown Windows rootkit stealthily leveraged by a China-affiliated APT actor for years to install backdoors on the infected instances. Dubbed Moriya, the rootkit provides attackers with the ability to capture network traffic and covertly execute commands on the compromised devices while flying under the radar of […]
Dell computers worldwide are potentially vulnerable to attacks due to high-severity flaws introduced back in 2009. According to experts, a set of five issues tracked together as CVE-2021-21551 affects Dell DBUtil driver and allows adversaries to gain kernel-mode privileges on the affected machines. Although CVE-2021-21551 has been present in the driver for more than a […]
On May 3, 2021, Ivanti issued a security update addressing highly critical security holes in its Pulse Connect Secure SSL VPN appliance. The flaws have been reportedly used by APT actors to target government agencies, critical infrastructure objects, and private firms across the U.S. Pulse Connect Secure Vulnerabilities According to the CISA security alert from […]