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Old Linux Kernel flaw CVE-2024-1086 resurfaces in ransomware attacks

CISA warns ransomware gangs exploit CVE-2024-1086, a Linux kernel flaw in netfilter: nf_tables, introduced in 2014 and patched in Jan 2024. CISA warned that ransomware gangs are exploiting CVE-2024-1086, a high-severity Linux kernel flaw introduced in 2014 and patched in January 2024. CISA didn’t provide details about the ransomware attacks exploiting the flaw or name…

Inside the mob’s million-dollar poker hack, and a Formula 1 fumble

Basketball stars have allegedly joined forces with the mafia to fleece high-rollers in a poker scam involving hacked shufflers, covert cameras, and an X-ray card table. Meanwhile, researchers have found they could poke around an FIA driver portal to pull up the personal details of Formula 1 megastars. Plus: Graham’s “Pick of the Week” turns…

Herodotus Android malware mimics human typing to evade detection

Threat Fabric researchers spotted Herodotus Android malware mimicking human typing with random delays to evade detection. Threat Fabric found a new Android malware, named Herodotus, which mimics human typing by adding random delays to evade detection. Herodotus allows operators to takeover devices and bypass behaviour biometrics detection, it is offered as a malware-as-a-service (MaaS). The researchers…

Aisuru botnet is behind record 20Tb/sec DDoS attacks

A new Mirai-based IoT botnet, dubbed Aisuru, was used to launch multiple high-impact DDoS attacks exceeding 20Tb/sec and/or 4gpps. In October 2025, the Aisuru Mirai-based IoT botnet launched massive DDoS attacks of over 20Tb/sec, mainly targeting online gaming, cybersecurity firm Netscout reports. The botnet uses residential proxies to reflect HTTPS DDoS attacks. Its nodes are…

Everest group claimed the hack of Sweden’s power grid operator Svenska kraftnät

Hackers hit Sweden’s power grid operator Svenska kraftnät, stealing data via a file transfer tool. The power grid was not affected. Hackers breached Sweden’s state-owned power grid operator Svenska kraftnät, stealing data from an isolated file transfer system. The power grid operations were not impacted by the cyber incident. The Swedish company on Monday disclosed…

Ransomware payments hit record low: only 23% Pay in Q3 2025

Only 23% of ransomware victims paid in Q3 2025, the lowest ever, continuing a six-year decline in payment rates, Coveware reports. Cybersecurity firm Coveware reports that only 23% of ransomware victims paid attackers in Q3 2025, the lowest rate ever recorded. The researchers note this continues a six-year decline in payment rates. After 28% of…

Memento Labs, the ghost of Hacking Team, has returned — or maybe it was never gone at all.

Kaspersky links the first Chrome zero-day of 2025 to tools used in attacks attributed to Memento Labs, formerly known as the Hacking Team. The actor behind Operation ForumTroll used the same tools seen in Dante spyware attacks. Kaspersky researchers linked the first Chrome zero-day of 2025 (CVE-2025-2783), a sandbox escape flaw, to the arsenal of…

Linux variant of Qilin Ransomware targets Windows via remote management tools and BYOVD

Qilin ransomware group used Linux binaries on Windows to evade EDRs, steal backups, and disable defenses via BYOVD attacks. Trend Research found that the Qilin ransomware group (aka Agenda) used a Linux ransomware binary on Windows systems via legitimate remote tools, bypassing Windows defenses and EDRs. The cross-platform method enables stealthy attacks, stealing backup credentials…

Safepay ransomware group claims the hack of professional video surveillance provider Xortec

Safepay group claims the hack of professional video surveillance provider Xortec and added the company to its data leak site. The Safepay group claimed responsibility for hacking German video surveillance provider Xortec and listed the company on its data leak site. The ransomware payment deadline is October 27, 2025. Xortec GmbH, based in Frankfurt with…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 68

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter TikTok videos continue to push infostealers in ClickFix attacks 131 Spamware Extensions Targeting WhatsApp Flood Chrome Web Store  Salty Much: Darktrace’s view on a recent Salt Typhoon intrusion   Shifts in the Underground: The Impact…

Lazarus targets European defense firms in UAV-themed Operation DreamJob

North Korean Lazarus hackers targeted 3 European defense firms via Operation DreamJob, using fake recruitment lures to hit UAV tech staff. North Korea-linked Lazarus APT group (aka Hidden Cobra) launched Operation DreamJob, compromising three European defense companies. Threat actors used fake recruiter profiles to lure employees into UAV technology roles, aiming to gain access to…

Cybercriminals turn on each other: the story of Lumma Stealer’s collapse

Normally when we write about a malware operation being disrupted, it’s because it has been shut down by law enforcement. But in the case of Lumma Stealer, a notorious malware-as-a-service (MaaS) operation used to steal passwords and sensitive data, it appears to have been sabotaged by other cybercriminals. Read more in my article on the…

Russia-linked COLDRIVER speeds up malware evolution after LOSTKEYS exposure

Russia-linked COLDRIVER rapidly evolved its malware since May 2025, refining tools just days after releasing its LOSTKEYS variant, says Google. The Russia-linked hacking group COLDRIVER has been quickly upgrading its malware since May 2025, when its LOSTKEYS malware was exposed. According to Google’s Threat Intelligence Group, the hackers have been rolling out frequent updates and…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 67

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Astaroth: Banking Trojan Abusing GitHub for Resilience  North Korea’s Contagious Interview Campaign Escalates: 338 Malicious npm Packages, 50,000 Downloads New Rust Malware “ChaosBot” Uses Discord for Command and Control  Weaponizing Discord for Command and…

Winos 4.0 hackers expand to Japan and Malaysia with new malware

Winos 4.0 hackers expand from China, Taiwan to Japan, Malaysia using fake Finance Ministry PDFs to spread HoldingHands RAT malware. Threat actors behind Winos 4.0 (ValleyRAT) have expanded their attacks from China and Taiwan to Japan and Malaysia, using PDFs disguised as documents from the Finance Ministry to deliver malware. Attackers employed another remote access…

Microsoft revokes 200+ certificates abused by Vanilla Tempest in fake Teams campaign

Microsoft revoked 200+ certificates used by Vanilla Tempest to sign fake Teams installers spreading Oyster backdoor and Rhysida ransomware. Microsoft revoked over 200 certificates used by the cybercrime group Vanilla Tempest (aka VICE SPIDER and Vice Society) to sign fake Teams installers spreading the Oyster backdoor and Rhysida ransomware. The threat actor has been active…

Operation Zero Disco: Threat actors targets Cisco SNMP flaw to drop Linux rootkits

Hackers exploit Cisco SNMP flaw CVE-2025-20352 in “Zero Disco” attacks to deploy Linux rootkits on outdated systems, researchers report. Trend Micro researchers disclosed details of a new campaign, tracked as Operation Zero Disco, that exploited a recently disclosed security flaw impacting Cisco IOS Software and IOS XE Software to deploy Linux rootkits on older, unprotected…

Qilin Ransomware announced new victims

Resecurity’s new report details how the Qilin RaaS group relies on global bulletproof hosting networks to support its extortion operations. The following new report by Resecurity will explore the Qilin ransomware-as-a-service (RaaS) operation’s reliance on bullet-proof-hosting (BPH) infrastructures, with an emphasis on a network of rogue providers based in different parts of the world. Qilin…

Researchers warn of widespread RDP attacks by 100K-node botnet

A botnet of 100K+ IPs from multiple countries is attacking U.S. RDP services in a campaign active since October 8. GreyNoise researchers uncovered a large-scale botnet that is targeting Remote Desktop Protocol (RDP) services in the United States starting on October 8. The company discovered the botnet after detecting an unusual spike in Brazilian IP…

Astaroth Trojan abuses GitHub to host configs and evade takedowns

The Astaroth banking Trojan uses GitHub to host malware configs, evade C2 takedowns and stay active by pulling new settings from the platform. McAfee discovered a new Astaroth campaign using GitHub repositories to host malware configurations. This allows attackers to evade takedowns by pulling fresh configs from GitHub whenever C2 servers are shut down, ensuring…

Google, Mandiant expose malware and zero-day behind Oracle EBS extortion

Google and Mandiant link Oracle EBS extortion emails to known July-patched flaws and a likely zero-day, CVE-2025-61882. Google Threat Intelligence and Mandiant analyzed the Oracle E-Business Suite extortion campaign, revealing the use of malware. Attackers exploited July-patched EBS flaws and likely a zero-day (CVE-2025-61882), sending extortion emails to company executives. In early October, Google Mandiant…

Stealit Malware spreads via fake game & VPN installers on Mediafire and Discord

Stealit malware abuses Node.js SEA and Electron to spread via fake game and VPN installers shared on Mediafire and Discord. Fortinet FortiGuard Labs researchers spotted Stealit malware campaign abusing Node.js Single Executable Application (SEA) and sometimes Electron to spread via fake game and VPN installers on Mediafire and Discord. Fortinet uncovered the campaign while investigating…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 66

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Ransomware and Cyber Extortion in Q3 2025   Investigating active exploitation of CVE-2025-10035 GoAnywhere Managed File Transfer vulnerability XWorm V6: Exploring Pivotal Plugins   ClayRat: A New Android Spyware Targeting Russia   Security Evaluation of Android apps…

RondoDox Botnet targets 56 flaws across 30+ device types worldwide

RondoDox botnet exploits 56 known flaws in over 30 device types, including DVRs, CCTV systems, and servers, active globally since June. Trend Micro researchers reported that the RondoDox botnet exploits 56 known flaws in over 30 device types, including DVRs, NVRs, CCTV systems, and web servers, active globally since June. Experts noted that the latest…

ClayRat campaign uses Telegram and phishing sites to distribute Android spyware

ClayRat Android spyware targets Russian users via fake Telegram channels and phishing sites posing as popular apps like WhatsApp and YouTube. The ClayRat Android spyware campaign targets Russian users via fake Telegram channels and phishing sites posing as popular apps like Google Photos, WhatsApp, TikTok, YouTube. Zimperium named the spyware ClayRat after its C2 server,…

Smashing Security podcast #438: When your mouse turns snitch, and hackers grow a conscience

Your computer’s mouse might not be as innocent as it looks – and one ransomware crew has a crisis of conscience that nobody saw coming. We talk about how something as ordinary as a web page could turn your mouse into a surprisingly nosey neighbour, and why ransomware gangs need to think carefully about their…

Qilin ransomware claimed responsibility for the attack on the beer giant Asahi

Qilin ransomware claimed responsibility for the recent attack on the beer giant Asahi that disrupted operations in Japan. Asahi Group Holdings, Ltd (commonly called Asahi) is Japan’s largest brewing company, known for producing top-selling beers like Asahi Super Dry, as well as soft drinks and other beverages. It operates both domestically and internationally, with a…

Qilin ransomware claimed responsibility for the attack on the beer giant Asahi

Qilin ransomware claimed responsibility for the recent attack on the beer giant Asahi that disrupted operations in Japan. Asahi Group Holdings, Ltd (commonly called Asahi) is Japan’s largest brewing company, known for producing top-selling beers like Asahi Super Dry, as well as soft drinks and other beverages. It operates both domestically and internationally, with a…

Qilin ransomware claimed responsibility for the attack on the beer giant Asahi

Qilin ransomware claimed responsibility for the recent attack on the beer giant Asahi that disrupted operations in Japan. Asahi Group Holdings, Ltd (commonly called Asahi) is Japan’s largest brewing company, known for producing top-selling beers like Asahi Super Dry, as well as soft drinks and other beverages. It operates both domestically and internationally, with a…

Qilin ransomware claimed responsibility for the attack on the beer giant Asahi

Qilin ransomware claimed responsibility for the recent attack on the beer giant Asahi that disrupted operations in Japan. Asahi Group Holdings, Ltd (commonly called Asahi) is Japan’s largest brewing company, known for producing top-selling beers like Asahi Super Dry, as well as soft drinks and other beverages. It operates both domestically and internationally, with a…

DragonForce, LockBit, and Qilin, a new triad aims to dominate the ransomware landscape

DragonForce, LockBit, and Qilin formed a ransomware alliance to boost attack effectiveness, marking a major shift in the cyber threat landscape. Ransomware groups DragonForce, LockBit, and Qilin formed a strategic alliance to enhance their attack capabilities, signaling an evolving cyber threat landscape. The alliance aims at sharing tools and infrastructure to enhance attack effectiveness. The…

DragonForce, LockBit, and Qilin, a new triad aims to dominate the ransomware landscape

DragonForce, LockBit, and Qilin formed a ransomware alliance to boost attack effectiveness, marking a major shift in the cyber threat landscape. Ransomware groups DragonForce, LockBit, and Qilin formed a strategic alliance to enhance their attack capabilities, signaling an evolving cyber threat landscape. The alliance aims at sharing tools and infrastructure to enhance attack effectiveness. The…

DragonForce, LockBit, and Qilin, a new triad aims to dominate the ransomware landscape

DragonForce, LockBit, and Qilin formed a ransomware alliance to boost attack effectiveness, marking a major shift in the cyber threat landscape. Ransomware groups DragonForce, LockBit, and Qilin formed a strategic alliance to enhance their attack capabilities, signaling an evolving cyber threat landscape. The alliance aims at sharing tools and infrastructure to enhance attack effectiveness. The…

The €600,000 gold heist, powered by ransomware

Ransomware doesn’t just freeze computers – it can silence alarms too. And when the Natural History Museum in Paris went dark, thieves helped themselves to €600,000 worth of gold in a daring late-night heist. Meanwhile, developers have a new headache: a worm dubbed “Shai Hulud” has wriggled its way through more than 180 npm packages,…

Smashing Security podcast #436: The €600,000 gold heist, powered by ransomware

Ransomware doesn’t just freeze computers – it can silence alarms too. And when the Natural History Museum in Paris went dark, thieves helped themselves to €600,000 worth of gold in a daring late-night heist. Meanwhile, developers have a new headache: a worm dubbed “Shai Hulud” has wriggled its way through more than 180 npm packages,…

Smashing Security podcast #435: Lights! Camera! Hacktion!

When “bad actors” stop being hackers and start being… actual actors. This week, Graham and special guest Jenny Radcliffe play “Hacker or Ham?” (yes, Steven Seagal, we’re looking at you), before diving into a campaign which saw an Iranian gang luring Israeli performers with fake casting calls for a serious film. We unpack why positive…

HybridPetya ransomware bypasses UEFI Secure Boot echoing Petya/NotPetya

HybridPetya ransomware bypasses UEFI Secure Boot to infect EFI partitions, echoing the infamous Petya/NotPetya attacks of 2016–2017. ESET researchers discovered a new ransomware called HybridPetya on the platform VirusTotal. The malware echoes the infamous Petya/NotPetya malware, supporting additional capabilities, such as compromising UEFI-based systems and exploiting CVE‑2024‑7344 to bypass UEFI Secure Boot on outdated systems. “Interestingly, the…

Apple issues spyware warnings as CERT-FR confirms attacks

Apple warned users of a spyware campaign; France’s cyber agency confirmed targeted iCloud-linked devices may be compromised. Apple warned customers last week about new spyware attacks, the French national Computer Emergency Response Team (CERT-FR) said. The agency confirmed at least four such alerts since early 2025. Apple sent spyware alerts on March 5, April 29,…

Akira Ransomware exploits year-old SonicWall flaw with multiple vectors

Researchers warn that Akira ransomware group is exploiting a year-old SonicWall firewall flaw, likely using three attack vectors for initial access. The Akira ransomware group is exploiting a year-old SonicWall firewall vulnerability, tracked as CVE-2024-40766 (CVSS score of 9.3), likely using three attack vectors for initial access, according to Rapid7. “Evidence collected during Rapid7’s investigations…

Attackers abuse ConnectWise ScreenConnect to drop AsyncRAT

Hackers exploit ConnectWise ScreenConnect to drop AsyncRAT via scripted loaders, stealing data and persisting with a fake Skype updater. LevelBlue researchers warn of a campaign abusing ConnectWise ScreenConnect to deploy AsyncRAT. Attackers use VBScript/PowerShell loaders and achieve persistence via a fake Skype updater. ConnectWise ScreenConnect is a remote desktop and remote support software designed to enable…

KillSec Ransomware is Attacking Healthcare Institutions in Brazil

KillSec Ransomware claimed responsibility for a cyberattack on MedicSolution, a software solutions provider for the healthcare industry in Brazil. The KillSec Ransomware group has threatened to leak sensitive data unless negotiations are initiated promptly. According to threat intelligence reporting by Resecurity, the root cause of the incident – data exfiltration from insecure AWS S3 bucket.…

KillSec Ransomware is Attacking Healthcare Institutions in Brazil

KillSec Ransomware claimed responsibility for a cyberattack on MedicSolution, a software solutions provider for the healthcare industry in Brazil. The KillSec Ransomware group has threatened to leak sensitive data unless negotiations are initiated promptly. According to threat intelligence reporting by Resecurity, the root cause of the incident – data exfiltration from insecure AWS S3 bucket.…

Supply chain attack targets npm, +2 Billion weekly npm downloads exposed

Multiple popular npm packages were compromised in a supply chain attack after a maintainer fell for a phishing email targeting 2FA credentials. A supply chain attack compromised multiple popular npm packages with 2B weekly downloads after a maintainer fell for a phishing email mimicking npm, targeting 2FA credentials. Threat actors targeted Josh Junon’s (Qix) to…

LunaLock Ransomware threatens victims by feeding stolen data to AI models

LunaLock, a new ransomware gang, introduced a unique cyber extortion technique, threatening to turn stolen art into AI training data. A new ransomware group, named LunaLock, appeared in the threat landscape with a unique cyber extortion technique, threatening to turn stolen art into AI training data. Recently, the LunaLock group targeted the website Artists&Clients and…

NYU team behind AI-powered malware dubbed ‘PromptLock’ 

Researchers at New York University have taken credit for creating a piece of malware found by third-party researchers that uses prompt injection to manipulate  a large language model into assisting with a ransomware attack. Last month, researchers at ESET claimed to have discovered the first piece of “AI-powered ransomware” in the wild, flagging code found…

SVG files used in hidden malware campaign impersonating Colombian authorities

VirusTotal uncovered an undetected malware campaign using SVG files that impersonated the Colombian justice system. VirusTotal researchers uncovered a phishing campaign using SVG files with hidden JavaScript to deploy fake Fiscalía General de la Nación login pages in Colombia and spread malware. VirusTotal noticed that, despite being outdated, SWF files are still abused in attacks.…