Cyber Security

A previously undocumented firmware implant deployed to maintain stealthy persistence as part of a targeted espionage campaign has been linked to the Chinese-speaking Winnti advanced persistent threat group (APT41). Kaspersky, which codenamed the rootkit MoonBounce, characterized the malware as the “most advanced UEFI firmware implant discovered in the wild to date,” adding “the purpose of
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Cisco Systems has rolled out fixes for a critical security flaw affecting Redundancy Configuration Manager (RCM) for Cisco StarOS Software that could be weaponized by an unauthenticated, remote attacker to execute arbitrary code and take over vulnerable machines. Tracked as CVE-2022-20649 (CVSS score: 9.0), the vulnerability stems from the fact that the debug mode has
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An exploration of zero-click attack surface for the popular video conferencing solution Zoom has yielded two previously undisclosed security vulnerabilities that could be exploited to crash the service, execute malicious code, and even leak arbitrary areas of its memory. Natalie Silvanovich of Google Project Zero, who discovered and reported the two flaws last year, said
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A threat actor with potential links to an Indian cybersecurity company has been nothing if remarkably persistent in its attacks against military organizations based in South Asia, including Bangladesh, Nepal, and Sri Lanka, since at least September 2020 by deploying different variants of its bespoke malware framework. Slovak cybersecurity firm ESET attributed the highly targeted
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Potential connections between a subscription-based crimeware-as-a-service (Caas) solution and a cracked copy of Cobalt Strike have been established in what the researchers suspect is being offered as a tool for its customers to stage post-exploitation activities. Prometheus, as the service is called, first came to light in August 2021 when cybersecurity company Group-IB disclosed details
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An IRC (Internet Relay Chat) bot strain programmed in GoLang is being used to launch distributed denial-of-service (DDoS) attacks targeting users in Korea. “The malware is being distributed under the guise of adult games,” researchers from AhnLab’s Security Emergency-response Center (ASEC) said in a new report published on Wednesday. “Additionally, the DDoS malware was installed
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Cybersecurity researchers have disclosed details of a now-patched bug in Box’s multi-factor authentication (MFA) mechanism that could be abused to completely sidestep SMS-based login verification. “Using this technique, an attacker could use stolen credentials to compromise an organization’s Box account and exfiltrate sensitive data without access to the victim’s phone,” Varonis researchers said in a
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Enterprise software maker Zoho on Monday issued patches for a critical security vulnerability in Desktop Central and Desktop Central MSP that a remote adversary could exploit to perform unauthorized actions in affected servers. Tracked as CVE-2021-44757, the shortcoming concerns an instance of authentication bypass that “may allow an attacker to read unauthorized data or write
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UniCC, the biggest dark web marketplace of stolen credit and debit cards, has announced that it’s shuttering its operations after earning $358 million in purchases since 2013 using cryptocurrencies such as Bitcoin, Litecoin, Ether, and Dash. “Don’t build any conspiracy theories about us leaving,” the anonymous operators of UniCC said in a farewell posted on
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Researchers have disclosed a security shortcoming affecting three different WordPress plugins that impact over 84,000 websites and could be abused by a malicious actor to take over vulnerable sites. “This flaw made it possible for an attacker to update arbitrary site options on a vulnerable site, provided they could trick a site’s administrator into performing
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Cybersecurity teams from Microsoft on Saturday disclosed they identified evidence of a new destructive malware operation targeting government, non-profit, and information technology entities in Ukraine amid brewing geopolitical tensions between the country and Russia. “The malware is disguised as ransomware but, if activated by the attacker, would render the infected computer system inoperable,” Tom Burt,
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A software bug introduced in Apple Safari 15’s implementation of the IndexedDB API could be abused by a malicious website to track users’ online activity in the web browser and worse, even reveal their identity. The vulnerability, dubbed IndexedDB Leaks, was disclosed by fraud protection software company FingerprintJS, which reported the issue to the iPhone
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In an unprecedented move, Russia’s Federal Security Service (FSB), the country’s principal security agency, on Friday disclosed that it arrested several members belonging to the notorious REvil ransomware gang and neutralized its operations. The surprise operation, which it said was carried out at the request of the U.S. authorities, saw the law enforcement agency conduct
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Operators associated with the Lazarus sub-group BlueNoroff have been linked to a series of cyberattacks targeting small and medium-sized companies worldwide with an aim to drain their cryptocurrency funds, in what’s yet another financially motivated operation mounted by the prolific North Korean state-sponsored actor. Russian cybersecurity company Kaspersky, which is tracking the intrusions under the
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An Iranian state-sponsored actor has been observed scanning and attempting to abuse the Log4Shell flaw in publicly-exposed Java applications to deploy a hitherto undocumented PowerShell-based modular backdoor dubbed “CharmPower” for follow-on post-exploitation. “The actor’s attack setup was obviously rushed, as they used the basic open-source tool for the exploitation and based their operations on previous
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Cybersecurity researchers have decoded the mechanism by which the versatile Qakbot banking trojan handles the insertion of encrypted configuration data into the Windows Registry. Qakbot, also known as QBot, QuackBot and Pinkslipbot, has been observed in the wild since 2007. Although mainly fashioned as an information-stealing malware, Qakbot has since shifted its goals and acquired
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Apple on Wednesday rolled out software updates for iOS and iPadOS to remediate a persistent denial-of-service (DoS) issue affecting the HomeKit smart home framework that could be potentially exploited to launch ransomware-like attacks targeting the devices. The iPhone maker, in its release notes for iOS and iPadOS 15.2.1, termed it as a “resource exhaustion issue”
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A new cross-platform backdoor called “SysJoker” has been observed targeting machines running Windows, Linux, and macOS operating systems as part of an ongoing espionage campaign that’s believed to have been initiated during the second half of 2021. “SysJoker masquerades as a system update and generates its [command-and-control server] by decoding a string retrieved from a
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Threat actors are actively incorporating public cloud services from Amazon and Microsoft into their malicious campaigns to deliver commodity remote access trojans (RATs) such as Nanocore, Netwire, and AsyncRAT to siphon sensitive information from compromised systems. The spear-phishing attacks, which commenced in October 2021, have primarily targeted entities located in the U.S., Canada, Italy, and
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With the last month of 2021 dominated by the log4J vulnerabilities discovery, publication, and patches popping up in rapid succession, odds are you have patched your system against Log4J exploitation attempts. At least some systems, if not all. You might even have installed the latest patch – at the time of writing, that is 2.17.1,
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