Mar 22, 2023Ravie LakshmananDevOpsSec / Malware The NuGet repository is the target of a new "sophisticated and highly-malicious attack" aiming to infect .NET developer systems with cryptocurrency stealer malware. The 13 rogue packages, which were downloaded more than 160,000 times over the past month, have since been taken down. "The packages contained a PowerShell script … [Read more...] about Rogue NuGet Packages Infect .NET Developers with Crypto-Stealing Malware
Malware
BATLOADER Malware Uses Google Ads to Deliver Vidar Stealer and Ursnif Payloads
Mar 11, 2023Ravie LakshmananCyber Threat Intelligence The malware downloader known as BATLOADER has been observed abusing Google Ads to deliver secondary payloads like Vidar Stealer and Ursnif. According to cybersecurity company eSentire, malicious ads are used to spoof a wide range of legitimate apps and services such as Adobe, OpenAPI's ChatGPT, Spotify, Tableau, and … [Read more...] about BATLOADER Malware Uses Google Ads to Deliver Vidar Stealer and Ursnif Payloads
North Korean UNC2970 Hackers Expands Operations with New Malware Families
Mar 10, 2023Ravie LakshmananCyber Attack / Malware A North Korean espionage group tracked as UNC2970 has been observed employing previously undocumented malware families as part of a spear-phishing campaign targeting U.S. and European media and technology organizations since June 2022. Google-owned Mandiant said the threat cluster shares "multiple overlaps" with a … [Read more...] about North Korean UNC2970 Hackers Expands Operations with New Malware Families
SysUpdate Malware Strikes Again with Linux Version and New Evasion Tactics
Mar 02, 2023Ravie LakshmananLinux / Cyber Threat The threat actor known as Lucky Mouse has developed a Linux version of a malware toolkit called SysUpdate, expanding on its ability to target devices running the operating system. The oldest version of the updated artifact dates back to July 2022, with the malware incorporating new features designed to evade security software … [Read more...] about SysUpdate Malware Strikes Again with Linux Version and New Evasion Tactics
Samsung Introduces New Feature to Protect Users from Zero-Click Malware Attacks
Feb 20, 2023Ravie LakshmananMobile Security / Zero Day Samsung has announced a new feature called Message Guard that comes with safeguards to protect users from malware and spyware via what's referred to as zero-click attacks. The South Korean chaebol said the solution "preemptively" secures users' devices by "limiting exposure to invisible threats disguised as image … [Read more...] about Samsung Introduces New Feature to Protect Users from Zero-Click Malware Attacks
Experts Warn of RambleOn Android Malware Targeting South Korean Journalists
Feb 17, 2023Ravie LakshmananMobile Security / Cyber Threat Suspected North Korean nation-state actors targeted a journalist in South Korea with a malware-laced Android app as part of a social engineering campaign. The findings come from South Korea-based non-profit Interlab, which coined the new malware RambleOn. The malicious functionalities include the "ability to read and … [Read more...] about Experts Warn of RambleOn Android Malware Targeting South Korean Journalists
North Korea’s APT37 Targeting Southern Counterpart with New M2RAT Malware
Feb 15, 2023Ravie LakshmananThreat Intelligence / Malware The North Korea-linked threat actor tracked as APT37 has been linked to a piece of new malware dubbed M2RAT in attacks targeting its southern counterpart, suggesting continued evolution of the group's features and tactics. APT37, also tracked under the monikers Reaper, RedEyes, Ricochet Chollima, and ScarCruft, is … [Read more...] about North Korea’s APT37 Targeting Southern Counterpart with New M2RAT Malware
GuLoader Malware Using Malicious NSIS Executables to Target E-Commerce Industry
Feb 06, 2023Ravie LakshmananCyber Attack / Endpoint Security E-commerce industries in South Korea and the U.S. are at the receiving end of an ongoing GuLoader malware campaign, cybersecurity firm Trellix disclosed late last month. The malspam activity is notable for transitioning away from malware-laced Microsoft Word documents to NSIS executable files for loading the … [Read more...] about GuLoader Malware Using Malicious NSIS Executables to Target E-Commerce Industry
FormBook Malware Spreads via Malvertising Using MalVirt Loader to Evade Detection
Feb 06, 2023Ravie LakshmananMalvertising / Data Safety An ongoing malvertising campaign is being used to distribute virtualized .NET loaders that are designed to deploy the FormBook information-stealing malware. "The loaders, dubbed MalVirt, use obfuscated virtualization for anti-analysis and evasion along with the Windows Process Explorer driver for terminating processes," … [Read more...] about FormBook Malware Spreads via Malvertising Using MalVirt Loader to Evade Detection
Stealthy HeadCrab Malware Compromised Over 1,200 Redis Servers
Feb 02, 2023Ravie LakshmananDatabase Security / Cryptocurrency At least 1,200 Redis database servers worldwide have been corralled into a botnet using an "elusive and severe threat" dubbed HeadCrab since early September 2021. "This advanced threat actor utilizes a state-of-the-art, custom-made malware that is undetectable by agentless and traditional anti-virus solutions to … [Read more...] about Stealthy HeadCrab Malware Compromised Over 1,200 Redis Servers