Month: January 2023

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by Paul Ducklin Samba, simply put, is a super-useful, mega-popular, open-source reimplementation of the networking protocols used in Microsoft Windows, and its historical importance in internetworking (connecting two different sorts of network together) cannot be underestimated. In the late 1990s, Microsoft networking shed its opaque, proprietary nature and became an open standard known as CIFS,
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Jan 30, 2023Ravie LakshmananThreat Detection / Malware A new Golang-based information stealer malware dubbed Titan Stealer is being advertised by threat actors through their Telegram channel. “The stealer is capable of stealing a variety of information from infected Windows machines, including credential data from browsers and crypto wallets, FTP client details, screenshots, system information, and
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A malicious campaign impersonating American financial advisors has been spotted targeting several hundred individuals in West Africa. Recently discovered by cybersecurity experts at DomainTools, the ‘pig butchering’ operation uses a complex network of social engineering techniques to defraud victims. Describing the activity in an advisory shared with Infosecurity, DomainTools said most attacks from the unnamed threat
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Jan 29, 2023Ravie LakshmananCyber Threat / Malware The threat actors associated with the Gootkit malware have made “notable changes” to their toolset, adding new components and obfuscations to their infection chains. Google-owned Mandiant is monitoring the activity cluster under the moniker UNC2565, noting that the usage of the malware is “exclusive to this group.” Gootkit,
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Jan 28, 2023Ravie LakshmananEmail Security / Cyber Threat Microsoft is urging customers to keep their Exchange servers updated as well as take steps to bolster the environment, such as enabling Windows Extended Protection and configuring certificate-based signing of PowerShell serialization payloads. “Attackers looking to exploit unpatched Exchange servers are not going to go away,” the
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Researchers have found three separate vulnerabilities in OpenEMR, an open-source software for electronic health records and medical practice management. Clean code experts at Sonar published an advisory Wednesday about the discovered flaws by security researcher Dennis Brinkrolf. “During our security research of popular web applications, we discovered several code vulnerabilities in OpenEMR,” Brinkrolf wrote. “A combination of
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by Naked Security writer Six months ago, according to the US Department of Justice (DOJ), the Federal Bureau of Investigation (FBI) infiltrated the Hive ransomware gang and started “stealing back” the decryption keys for victims whose files had been scrambled. As you are almost certainly, and sadly, aware, ransomware attacks these days typically involve two
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Jan 27, 2023Ravie LakshmananThreat Response / Cyber Crime Cybersecurity researchers have discovered the real-world identity of the threat actor behind Golden Chickens malware-as-a-service, who goes by the online persona “badbullzvenom.” eSentire’s Threat Response Unit (TRU), in an exhaustive report published following a 16-month-long investigation, said it “found multiple mentions of the badbullzvenom account being shared
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Looking for an alternative to Twitter and thinking about joining the folks flocking to Mastodon? Here’s how the two platforms compare to each other. From restructuring their workforces to facing big fines, big tech companies have been on a roller coaster ride recently – but certainly none quite as much as Twitter. Indeed, Twitter has
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Jan 26, 2023Ravie LakshmananEncryption / Ransomware The infrastructure associated with the Hive ransomware-as-a-service (RaaS) operation has been seized as part of a coordinated law enforcement effort involving 13 countries. “Law enforcement identified the decryption keys and shared them with many of the victims, helping them regain access to their data without paying the cybercriminals,” Europol
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A previously unknown, financially motivated North Korea state-sponsored threat actor has been observed testing several infection methods in the wild while adhering to a ‘startup’ culture mentality. The findings come from security researchers at Proofpoint, who called the group TA444 and said it has been active in its current form of targeting cryptocurrency exchanges since at
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by Paul Ducklin GoTo is a well-known brand that owns a range of products, including technologies for teleconferencing and webinars, remote access, and password management. If you’ve ever used GoTo Webinar (online meetings and seminars), GoToMyPC (connect and control someone else’s computer for management and support), or LastPass (a password manangement service), you’ve used a
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Jan 25, 2023Ravie LakshmananWebsite Security / WordPress A massive campaign has infected over 4,500 WordPress websites as part of a long-running operation that’s been believed to be active since at least 2017. According to GoDaddy-owned Sucuri, the infections involve the injection of obfuscated JavaScript hosted on a malicious domain named “track[.]violetlovelines[.]com” that’s designed to redirect
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A new string of attacks against East Asian organizations has been spotted by security researchers and attributed to the threat actor known as DragonSpark. The campaign, discovered by SentinelLabs, uses the little-known open-source SparkRAT alongside malware tools to evade detection via source code interpretation techniques based on the Go programming language. “The DragonSpark attacks represent
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Jan 24, 2023Ravie LakshmananCyber Espionage / Golang Organizations in East Asia are being targeted by a likely Chinese-speaking actor dubbed DragonSpark while employing uncommon tactics to go past security layers. “The attacks are characterized by the use of the little known open source SparkRAT and malware that attempts to evade detection through Golang source code
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An increasing number of threat actors have started relying on the command-and-control (C2) framework Sliver as an open-source alternative to tools such as Metasploit and Cobalt Strike. Security researchers at Cybereason described the new phenomenon in an advisory published last Thursday, adding that Sliver is gaining popularity due to its modular capabilities (via Armory), cross-platform
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Jan 23, 2023Ravie LakshmananMobile Hacking / App Security Two security flaws have been disclosed in Samsung’s Galaxy Store app for Android that could be exploited by a local attacker to stealthily install arbitrary apps or direct prospective victims to fraudulent landing pages on the web. The issues, tracked as CVE-2023-21433 and CVE-2023-21434, were discovered by