Virus Bulletin
@virusbtn
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Security information portal, testing and certification body. Organisers of the annual Virus Bulletin conference. @[email protected]
Oxfordshire, UK
Joined February 2010
We are thrilled to officially announce that VB2026 will take place in the vibrant city of Seville, Spain, from 30 September to 2 October 2026. ๐ช๐ธ More details coming soon on the venue, call for papers, sponsorship opportunities, and how to join us. Can't wait to see you there!
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Zimperium zLabs identified a new ClayRat Android spyware variant. The latest version abuses Androidโs accessibility services for keylogging and lockscreen bypass, screen recording, fake notifications and scripted button taps to block shutdown or removal. https://t.co/znP29gUFAT
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Did someone order a change of scenery? You could be here by Friday.
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Intel 471 reports new Android banking trojan FvncBot, targeting Polish users via a fake mBank security app. It abuses accessibility services for keylogging, employs web injects, screen streaming & HVNC, & has a new codebase not tied to leaked source codes. https://t.co/WbYHbzrdpq
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Weโve joined @CISACyber & @cybercentre_ca to attribute the broad campaign using BRICKSTORM to China state-sponsored cyber actors. Review the report for guidance on how to detect BRICKSTORM backdoor activity and improve your cybersecurity posture against this targeting. ๐
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๐ด LIVE from inside #Lazarus APT's IT workers scheme. For weeks, @BirminghamCyber & @north_scan kept #hackers believing they controlled a US dev's laptop. In reality, it was our sandbox recording everything. See full story and videos โฌ๏ธ https://t.co/gRb7GKIERQ
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New Securonix Threat Research Advisory: JS#SMUGGLER. Our team identified a sophisticated multi-stage malware campaign that begins with an obfuscated JavaScript loader and ends with the silent installation of NetSupport RAT. ๐ https://t.co/FseBpMOcMp
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CrowdStrike has identified WARP PANDA, a China-nexus actor targeting vCenter and cloud environments with custom implants and long-term covert access. ๐ Full analysis and recommendations: https://t.co/g06XzPlbS6
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FortiGuard Labs observed UDPGangster, a UDP-based backdoor linked to MuddyWater. Recent campaigns use macro-enabled Word lures to target organisations in Turkey, Israel & Azerbaijan, with UDP for command execution, file exfiltration & payload delivery. https://t.co/Q7H8LKylLg
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Splunk Threat Research Team analyses CastleRAT, a RAT first seen in March 2025 with Python and compiled C builds. It uses RC4 with a hard-coded key for C2, gathers host details, & can download further payloads and open a remote shell for attacker commands. https://t.co/xQuYSZesHb
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Thinking of integrating AI into your operational technology environment? Weโve joined @CISACyber and others to publish guidance to help you safely and securely manage the associated risks and protect your environments. https://t.co/H0hu5vhUfn
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In 2025, Tor faced some of the toughest censorship yet. Thanks to real-time monitoring, community feedback that helped us improve and deploy new tools, Tor kept people connected when it mattered most. Want to help? You can support our mission by running a Snowflake proxy or
blog.torproject.org
In 2025, Tor faced some of the toughest censorship yet. From Iranโs wartime internet blackouts to Russiaโs rapidly evolving blocking tactics. Torโs anti-censorship team sprung into action and...
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๐จ CRITICAL RCE ALERT: React & Next.js Vulnerability โ Critical remote code execution (RCE) vulnerabilities have been published affecting the React 19 ecosystem and Next.js. These vulnerabilities (CVE-2025-55182 & CVE-2025-66478) reside in the React Server Components (RSC)
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"Defense is doableโฆ We have to be brilliant at the basics... Itโs about doing really good access management, really good principle of least privilege, really good network architecture..." -- Matt Duncan, E-ISAC VP of Security Operations and Intelligence
thecyberwire.com
In this episode of the Microsoft Threat Intelligence Podcast, hostโ โ โ โ Sherrod DeGrippoโ is joined by Matt Duncan, Vice President of Security Operations and Intelligence at the North American...
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๐ด ๐ญ ๐ข๐ฐ๐๐ผ๐ฅ๐๐ง: ๐ก๐ฒ๐๐น๐ ๐ฆ๐ผ๐น๐ฑ ๐ฅ๐๐ง ๐ฆ๐ต๐ผ๐๐ ๐จ๐ฝ ๐ถ๐ป ๐ฎ ๐ ๐๐น๐๐ถ ๐ฆ๐๐ฎ๐ด๐ฒ ๐๐๐๐ฎ๐ฐ๐ธ ๐๐ต๐ฎ๐ถ๐ป A malicious VSCode extension kicked off a multi-stage chain that delivered Anivia and OctoRAT. OctoRAT is a brand new RAT now circulating in underground
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Browser-update-themed lures are fueling a surge in #ClickFix activity. We've seen 10K-plus hits on sites that lead to ClickFix pages pushing a variety of malware types through #pastejacking. Details at https://t.co/jLHXBHpx60
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CRIL has uncovered an active V3G4 campaign using a Mirai-derived botnet alongside a fileless, runtime-configured cryptominer. https://t.co/G4yKt2uTW1
#V3G4 #Botnet #Cryptominer #ThreatIntelligence
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SEQRITE APT-Team details a spear-phishing campaign against Russian HR, payroll and internal admin departments using bonus and policy-themed decoys. The chain relies on malicious LNK files, a new DUPERUNNER implant, and an AdaptixC2 Beacon for C2. https://t.co/HtwkP6uwuy
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Amnesty Security Labโs Intellexa Leaks investigation details the internal operations of the spyware vendor behind Predator. Leaked documents & materials show how its tools enable targeted surveillance of journalists, human rights defenders & civil society. https://t.co/6qEFGOK9A0
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Trend Micro Research details a ValleyRAT campaign targeting job seekers via email, hiding behind a weaponized Foxit PDF Reader and using DLL side-loading for initial access. As a RAT, ValleyRAT enables remote control, monitoring and data theft. https://t.co/c12jyCzz55
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On 10 December, a webinar hosted by the Cyber Threat Alliance will explore how adversaries & defenders are using AI, the challenges of securing AI systems, and what these trends mean for protecting our networks and critical infrastructure.
us06web.zoom.us
Zoom is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, chat, and webinars across mobile, desktop, and room systems. Zoom...
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๐ฉ 7-Zip RCE Vulnerability Exploited in the Wild https://t.co/xww051lZKn Security researchers are warning that a remote-code-execution flaw (CVE-2025-11001) in 7-Zip is now being actively exploited. The bug stems from incorrect processing of symbolic links inside ZIP
cybersecuritynews.com
Hackers have begun actively exploiting a critical remote code execution (RCE) vulnerability in the popular file archiver 7-Zip, putting millions of users at risk of malware infection and system...
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