A new email phishing campaign has been spotted leveraging the tactic of conversation hijacking to deliver the IceID info-stealing malware onto infected machines by making use of unpatched and publicly-exposed Microsoft Exchange servers. “The emails use a social engineering technique of conversation hijacking (also known as thread hijacking),” Israeli company Intezer said in a report
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A Chinese-speaking threat actor called Scarab has been linked to a custom backdoor dubbed HeaderTip as part of a campaign targeting Ukraine since Russia embarked on an invasion last month, making it the second China-based hacking group after Mustang Panda to capitalize on the conflict. “The malicious activity represents one of the first public examples
The U.S. Federal Communications Commission (FCC) on Friday moved to add Russian cybersecurity company Kaspersky Lab to the “Covered List” of companies that pose an “unacceptable risk to the national security” of the country. The development marks the first time a Russian entity has been added to the list that’s been otherwise dominated by Chinese
The City of London Police has arrested seven teenagers between the ages of 16 and 21 for their alleged connections to the prolific LAPSUS$ extortion gang that’s linked to a recent burst of attacks targeting NVIDIA, Samsung, Ubisoft, LG, Microsoft, and Okta. The development, which was first disclosed by BBC News, comes after a report
Authentication services provider Okta on Wednesday named Sitel as the third-party linked to a security incident experienced by the company in late January that allowed the LAPSUS$ extortion gang to remotely take over an internal account belonging to a customer support engineer. The company added that 366 corporate customers, or about 2.5% of its customer
A China-based advanced persistent threat (APT) known as Mustang Panda has been linked to an ongoing cyberespionage campaign using a previously undocumented variant of the PlugX remote access trojan on infected machines. Slovak cybersecurity firm ESET dubbed the new version Hodur, owing to its resemblance to another PlugX (aka Korplug) variant called THOR that came
Five new security weaknesses have been disclosed in Dell BIOS that, if successfully exploited, could lead to code execution on vulnerable systems, joining the likes of firmware vulnerabilities recently uncovered in Insyde Software’s InsydeH2O and HP Unified Extensible Firmware Interface (UEFI). Tracked as CVE-2022-24415, CVE-2022-24416, CVE-2022-24419, CVE-2022-24420, and CVE-2022-24421, the high-severity vulnerabilities are rated 8.2
Researchers have exposed a new targeted email campaign aimed at French entities in the construction, real estate, and government sectors that leverages the Chocolatey Windows package manager to deliver a backdoor called Serpent on compromised systems. Enterprise security firm Proofpoint attributed the attacks to a likely advanced threat actor based on the tactics and the
An analysis of two ransomware attacks has identified overlaps in the tactics, techniques, and procedures (TTPs) between BlackCat and BlackMatter, indicating a strong connection between the two groups. While it’s typical of ransomware groups to rebrand their operations in response to increased visibility into their attacks, BlackCat (aka Alphv) marks a new frontier in that
A financially motivated threat actor has been observed deploying a previously unknown rootkit targeting Oracle Solaris systems with the goal of compromising Automatic Teller Machine (ATM) switching networks and carrying out unauthorized cash withdrawals at different banks using fraudulent cards. Threat intelligence and incident response firm Mandiant is tracking the cluster under the moniker UNC2891,
Google’s Threat Analysis Group (TAG) took the wraps off a new initial access broker that it said is closely affiliated to a Russian cyber crime gang notorious for its Conti and Diavol ransomware operations. Dubbed Exotic Lily, the financially motivated threat actor has been observed exploiting a now-patched critical flaw in the Microsoft Windows MSHTML
Microsoft on Wednesday detailed a previously undiscovered technique put to use by the TrickBot malware that involves using compromised Internet of Things (IoT) devices as a go-between for establishing communications with the command-and-control (C2) servers. “By using MikroTik routers as proxy servers for its C2 servers and redirecting the traffic through non-standard ports, TrickBot adds
Russian cybersecurity firm Kaspersky on Tuesday responded to an advisory released by Germany’s Federal Office of Information Security (BSI) against using the company’s security solutions in the country over “doubts about the reliability of the manufacturer.” Calling that the decision was made on “political grounds,” the company said it will “continue to assure our partners
Two weeks after details emerged about a second data wiper strain delivered in attacks against Ukraine, yet another destructive malware has been detected amid Russia’s continuing military invasion of the country. Slovak cybersecurity company ESET dubbed the third wiper “CaddyWiper,” which it said it first observed on March 14 around 9:38 a.m. UTC. Metadata associated
A newly disclosed security flaw in the Linux kernel could be leveraged by a local adversary to gain elevated privileges on vulnerable systems to execute arbitrary code, escape containers, or induce a kernel panic. Tracked as CVE-2022-25636 (CVSS score: 7.8), the vulnerability impacts Linux kernel versions 5.4 through 5.6.10 and is a result of a
Meta Platforms’ WhatsApp and Cloudflare have banded together for a new initiative called Code Verify to validate the authenticity of the messaging service’s web app on desktop computers. Available in the form of a Chrome and Edge browser extension, the open-source add-on is designed to “automatically verif[y] the authenticity of the WhatsApp Web code being
Multiple security vulnerabilities have been disclosed in popular package managers that, if potentially exploited, could be abused to run arbitrary code and access sensitive information, including source code and access tokens, from compromised machines. It’s, however, worth noting that the flaws require the targeted developers to handle a malicious package in conjunction with one of
The Russian government has established its own TLS certificate authority (CA) to address issues with accessing websites that have arisen in the wake of sanctions imposed by the west following the country’s unprovoked military invasion of Ukraine. According to a message posted on the Gosuslugi public services portal, the Ministry of Digital Development is expected
A broad range of threat actors, including Fancy Bear, Ghostwriter, and Mustang Panda, have launched phishing campaigns against Ukraine, Poland, and other European entities amid Russia’s invasion of Ukraine. Google’s Threat Analysis Group (TAG) said it took down two Blogspot domains that were used by the nation-state group FancyBear (aka APT28) – which is attributed
The insidious Emotet botnet, which staged a return in November 2021 after a 10-month-long hiatus, is once again exhibiting signs of steady growth, amassing a swarm of over 100,000 infected hosts for perpetrating its malicious activities. “While Emotet has not yet attained the same scale it once had, the botnet is showing a strong resurgence
Threat actors have been observed abusing a high-impact reflection/amplification method to stage sustained distributed denial-of-service (DDoS) attacks for up to 14 hours with a record-breaking amplification ratio of 4,294,967,296 to 1. The attack vector – dubbed TP240PhoneHome (CVE-2022-26143) – has been weaponized to launch significant DDoS attacks targeting broadband access ISPs, financial institutions, logistics companies,
Three high-impact security vulnerabilities have been disclosed in APC Smart-UPS devices that could be abused by remote adversaries as a physical weapon to access and control them in an unauthorized manner. Collectively dubbed TLStorm, the flaws “allow for complete remote takeover of Smart-UPS devices and the ability to carry out extreme cyber-physical attacks,” Ben Seri
The unfortunate truth is that while companies are investing more in cyber defenses and taking cybersecurity more seriously than ever, successful breaches and ransomware attacks are on the rise. While a successful breach is not inevitable, it is becoming more likely despite best efforts to prevent it from happening. Just as it wasn’t raining when
APT41, the state-sponsored threat actor affiliated with China, breached at least six U.S. state government networks between May 2021 and February 2022 by retooling its attack vectors to take advantage of vulnerable internet-facing web applications. The exploited vulnerabilities included “a zero-day vulnerability in the USAHERDS application (CVE-2021-44207) as well as the now infamous zero-day in
Researchers have disclosed three security vulnerabilities affecting Pascom Cloud Phone System (CPS) that could be combined to achieve a full pre-authenticated remote code execution of affected systems. Kerbit security researcher Daniel Eshetu said the shortcomings, when chained together, can lead to “an unauthenticated attacker gaining root on these devices.” Pascom Cloud Phone System is an
Microsoft’s Patch Tuesday update for the month of March has been made officially available with 71 fixes spanning across its software products such as Windows, Office, Exchange, and Defender, among others. Of the total 71 patches, three are rated Critical and 68 are rated Important in severity. While none of the vulnerabilities are listed as
Cybersecurity researchers on Tuesday disclosed 16 new high-severity vulnerabilities in various implementations of Unified Extensible Firmware Interface (UEFI) firmware impacting multiple HP enterprise devices. The shortcomings, which have CVSS scores ranging from 7.5 to 8.8, have been uncovered in HP’s UEFI firmware. The variety of devices affected includes HP’s laptops, desktops, point-of-sale (PoS) systems, and
Yaroslav Vasinskyi, a Ukrainian national, linked to the Russia-based REvil ransomware group has been extradited to the U.S. to face charges for his role in carrying out the file-encrypting malware attacks against several companies, including Kaseya last July. The 22-year-old had been previously arrested in Poland in October 2021, prompting the U.S. Justice Department (DoJ)
Details have emerged about a new cyber espionage campaign directed against the aerospace and telecommunications industries, primarily in the Middle East, with the goal of stealing sensitive information about critical assets, organizations’ infrastructure, and technology while remaining in the dark and successfully evading security solutions. Boston-based cybersecurity company Cybereason dubbed the attacks “Operation Ghostshell,” pointing
A newly discovered data exfiltration mechanism employs Ethernet cables as a “transmitting antenna” to stealthily siphon highly-sensitive data from air-gapped systems, according to the latest research. “It’s interesting that the wires that came to protect the air-gap become the vulnerability of the air gap in this attack,” Dr. Mordechai Guri, the head of R&D in