Latest cybersecurity reporting from selected sources.

Malware-as-a-Service Operations Favors Russian-Speaking CustomersAn emerging remote access Trojan targeting Android devices in Spanish-speaking nations is propagating fraudulent advertisements as an initial access point on Meta-owned applications.

Rhadamanthys, VenomRAT and Elysium Targeted in OperationA multinational law enforcement operation resulted in the arrest of a remote access Trojan operator and the seizure of over 1,000 info stealer and botnet servers. Authorities took down 1,025 servers associated with the Rhadamanthys infostealer, the Venom RAT and a botnet dubbed Elysium.

Eset: Lazarus Group Shares Backdoor With Newer Pyongyang Threat ActorA gang of North Korean hackers behind fake IT job recruitment scams now have access to a remote access Trojan favored by their more technically advanced counterparts tracked collectively as the Lazarus Group, say security researchers.

Sophisticated Cyberespionage Campaign Targets Asian Telecom, Manufacturing SectorsA remote access Trojan that's a staple of Chinese nation-state hacking is part of an ongoing campaign targeting telecom and manufacturing sectors in Central and South Asian countries. The threat actor, tracked as Naikon, apparently has access to a new variant of PlugX malware.

Malware Hides in Memory, Evades Detection by Endpoint ToolsA Chinese state-backed hacking group tracked as UNC5174 relaunched its operations after a year of silence with a campaign using a memory-only remote access Trojan that evades traditional detection mechanisms, according to new research from cybersecurity firm Sysdig.

Also: Infostealer Malware Compromises Mexican Government ComputersThis week, DeepSeek exposed sensitive data, hackers exploited unpatched Zyxel flaws, infostealer malware on Mexican government computers, Smiths Group incident, PowerSchool breach notifications, an Apple zero-day, XWorm RAT backdoor, and Credit Control Corporation settled a lawsuit.

Also: German Prosecutors Charge Three Alleged Russian SaboteursThis week, MetLife denied a RansomHub cyberattack claim, RI Health System cyberattack update, npm package deployed Quasar RAT, Germany charges three with espionage for Russia, North Korea’s contagious interview campaign deployed new malware.

Russian Threat Actor Delivers NetSupport RAT, BurnsRAT via Fake RequestsA malware campaign targeting Russian retailers and service businesses aims to deploy remote access tools and install infostealer malware. Kaspersky dubbed the campaign "Horns&Hooves," after a fake organization set up by fraudsters in the 1931 Soviet satirical novel "The Little Golden Calf."

Hackers Sought Specific Generative AI Software at Leading US Firm: ProofpointA possible Chinese threat actor is using a variant of the Gh0st RAT malware to steal information from artificial intelligence experts in U.S. companies, federal agencies and academia. On the criminal group's target list was a "leading U.S.-based AI organization."

New Campaign Evades Security Tools to Deliver Agent Tesla Keylogger and XWorm RATThreat actors are using image files or Scalable Vector Graphics files to deliver ransomware, download banking Trojans or distribute malware. The campaign uses an open-source tool, AutoSmuggle, to facilitate the delivery of malicious files through SVG or HTML files.

2 Men Arrested in Malta, Nigeria for Hawking Malware on Hacking Forums Since 2012Federal authorities have seized internet domains and arrested two men in Malta and Nigeria who they say served as sales and customer service reps for a dark web business that sold RAT malware to cybercriminals over a 12-year period, leading to the "takeover and infection of computers worldwide."

2 Men Arrested in Malta, Nigeria for Hawking Malware on Hacking Forums Since 2012Federal authorities have seized internet domains and arrested two men in Malta and Nigeria who they say served as sales and customer service reps for a dark web business that sold RAT malware to cybercriminals over a 12-year period, leading to the "takeover and infection of computers worldwide."

Also: FBI Warning About Androxgh0st; eBay Pays a $3 Million Fine for CyberstalkingThis week, Microsoft expanded plans to store EU citizens' data locally, shipping-themed phishing spam is a threat, the British Library overcame a ransomware setback, the FBI warned of Androxgh0st malware, Remcos RAT targeted South Korea, and eBay was fined $3 million for a cyberstalking campaign.

RAT Is Tailored to Exploit Vulnerabilities in Linux Kernel VersionsHackers targeted telecommunications companies in Thailand with a Linux remote access Trojan designed to attack different versions of the open-source kernel, researchers say. Dubbed "Krasue," the malware poses a "severe risk to critical systems and sensitive data," says Group-IB researchers.