Cyber Security

Researchers have discovered a number of malicious Python packages in the official third-party software repository that are engineered to exfiltrate AWS credentials and environment variables to a publicly exposed endpoint. The list of packages includes loglib-modules, pyg-modules, pygrata, pygrata-utils, and hkg-sol-utils, according to Sonatype security researcher Ax Sharma. The packages and as well as the
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The Computer Emergency Response Team of Ukraine (CERT-UA) has cautioned of a new set of spear-phishing attacks exploiting the “Follina” flaw in the Windows operating system to deploy password-stealing malware. Attributing the intrusions to a Russian nation-state group tracked as APT28 (aka Fancy Bear or Sofacy), the agency said the attacks commence with a lure
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Nearly five dozen security vulnerabilities have been disclosed in devices from 10 operational technology (OT) vendors due to what researchers call are “insecure-by-design practices.” Collectively dubbed OT:ICEFALL by Forescout, the 56 issues span as many as 26 device models from Bently Nevada, Emerson, Honeywell, JTEKT, Motorola, Omron, Phoenix Contact, Siemens, and Yokogawa. “Exploiting these vulnerabilities,
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A sophisticated Chinese advanced persistent threat (APT) actor exploited a critical security vulnerability in Sophos’ firewall product that came to light earlier this year to infiltrate an unnamed South Asian target as part of a highly-targeted attack. “The attacker implement[ed] an interesting web shell backdoor, create[d] a secondary form of persistence, and ultimately launch[ed] attacks
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A recently patched critical security flaw in Atlassian Confluence Server and Data Center products is being actively weaponized in real-world attacks to drop cryptocurrency miners and ransomware payloads. In at least two of the Windows-related incidents observed by cybersecurity vendor Sophos, adversaries exploited the vulnerability to deliver Cerber ransomware and a crypto miner called z0miner
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The U.S. Department of Justice (DoJ) on Thursday disclosed that it took down the infrastructure associated with a Russian botnet known as RSOCKS in collaboration with law enforcement partners in Germany, the Netherlands, and the U.K. The botnet, operated by a sophisticated cybercrime organization, is believed to have ensnared millions of internet-connected devices, including Internet
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Cybersecurity researchers have disclosed details about 15 security flaws in Siemens SINEC network management system (NMS), some of which could be chained by an attacker to achieve remote code execution on affected systems. “The vulnerabilities, if exploited, pose a number of risks to Siemens devices on the network including denial-of-service attacks, credential leaks, and remote
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A “dangerous piece of functionality” has been discovered in Microsoft 365 suite that could be potentially abused by a malicious actor to ransom files stored on SharePoint and OneDrive and launch attacks on cloud infrastructure. The cloud ransomware attack makes it possible to launch file-encrypting malware to “encrypt files stored on SharePoint and OneDrive in
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Microsoft is warning that the BlackCat ransomware crew is leveraging exploits for unpatched Exchange server vulnerabilities to gain access to targeted networks. Upon gaining an entry point, the attackers swiftly moved to gather information about the compromised machines, followed by carrying out credential theft and lateral movement activities, before harvesting intellectual property and dropping the
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Cybersecurity researchers have detailed a recently patched high-severity security vulnerability in the popular Fastjson library that could be potentially exploited to achieve remote code execution. Tracked as CVE-2022-25845 (CVSS score: 8.1), the issue relates to a case of deserialization of untrusted data in a supported feature called “AutoType.” It was patched by the project maintainers
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A newly discovered security vulnerability in modern Intel and AMD processors could let remote attackers steal encryption keys via a power side channel attack. Dubbed Hertzbleed by a group of researchers from the University of Texas, University of Illinois Urbana-Champaign, and the University of Washington, the issue is rooted in dynamic voltage and frequency scaling
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A new Golang-based peer-to-peer (P2P) botnet has been spotted actively targeting Linux servers in the education sector since its emergence in March 2022. Dubbed Panchan by Akamai Security Research, the malware “utilizes its built-in concurrency features to maximize spreadability and execute malware modules” and “harvests SSH keys to perform lateral movement.” The feature-packed botnet, which
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Cloudflare on Tuesday disclosed that it had acted to prevent a record-setting 26 million request per second (RPS) distributed denial-of-service (DDoS) attack last week, making it the largest HTTPS DDoS attack detected to date. The web performance and security company said the attack was directed against an unnamed customer website using its Free plan and
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In 2017, The Australian Cyber Security Center (ACSC) published a set of mitigation strategies that were designed to help organizations to protect themselves against cyber security incidents. These strategies, which became known as the Essential Eight, are designed specifically for use on Windows networks, although variations of these strategies are commonly applied to other platforms.
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A new high-severity vulnerability has been disclosed in the Zimbra email suite that, if successfully exploited, enables an unauthenticated attacker to steal cleartext passwords of users sans any user interaction. “With the consequent access to the victims’ mailboxes, attackers can potentially escalate their access to targeted organizations and gain access to various internal services and
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Cybersecurity researchers have detailed the workings of a fully-featured malware loader dubbed PureCrypter that’s being purchased by cyber criminals to deliver remote access trojans (RATs) and information stealers. “The loader is a .NET executable obfuscated with SmartAssembly and makes use of compression, encryption, and obfuscation to evade antivirus software products,” Zscaler’s Romain Dumont said in
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