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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 115

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Gray Rabbits and the Tale of a One-Click...

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Brevo Supply-Chain Attack Infected Over 100,000 Websites

A Brevo supply-chain attack used compromised Cloudflare access to inject malware into websites, potentially affecting over 100,000 sites. Brevo, formerly known as Sendinblue, is a French cloud-based...

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RatHat Turns Android Accessibility Into an Attack Weapon

RatHat combines AI-driven screen control, Android debugging abuse and advanced credential theft to give attackers deep control of infected phones. RatHat is the new Android trojan you should know...

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Chosen Brick, Iran’s Surveillance Malware

UK, US, and Dutch agencies expose Chosen Brick, Iranian malware used to track and harass dissidents, journalists, and activists via Telegram. The UK, the US, and the Netherlands published a joint...

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BambooToken: The Malware That Speaks MQTT to Stay Under the Radar

Lumen exposes BambooToken, a stealthy malware family using MQTT and sideloading to quietly infect targets across Asia and beyond. BambooToken is a new malware family that uses MQTT, a lightweight...

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 114

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter REVSTEALER ramps up Breaking the Seal: Static...

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Attackers Exploit Critical Cisco FMC Flaw to deploy Qilin ransomware

Three threat groups are exploiting two Cisco FMC flaws to steal credentials, gain root access and deploy Qilin ransomware. Cisco Talos says three separate threat groups are exploiting two recently...

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PoisonedRefresh: A Fileless Linux Rootkit That Injects PHP Web Shells Into F5...

PoisonedRefresh rootkit injects PHP web shells into F5 BIG-IP APM Apache memory, leaving no disk artifacts. SophosLabs published a detailed technical analysis on September 8, 2026, of a Linux implant,...

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North Korea-linked Hackers Hide a Backdoor Inside HAProxy

North Korea-linked hackers hid a backdoor inside HAProxy, masking C2 traffic and stealing data while keeping the load balancer working normally. North Korean-linked hackers found a genuinely clever...

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JSCeal Hides Crypto Malware in V8 Bytecode

JSCeal hides crypto-stealing malware in V8 bytecode, but researchers built a tool to decompile it and expose its advanced theft capabilities. JSCeal is a cryptocurrency stealer that Check Point...

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Pegasus and NoviSpy Used Against Serbian Protesters

Serbian activists were targeted with zero-click Pegasus and NoviSpy spyware, exposing a major surveillance campaign ahead of elections. A member of Serbia’s student protest movement had their iPhone...

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$536 and 8 Hours: AI Learns to Attack a Different PLC

Experts got Claude to port a PLC exploit, but it cost $536 and 8 hours, and a later AI-generated payload accidentally destroyed the hardware. Forescout researchers just answered a question that’s been...

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Five Venezuelan Nationals Plead Guilty in Kansas ATM Jackpotting Attempt

Five Venezuelan nationals pleaded guilty after failed ATM jackpotting attempts in Kansas. The FBI recorded 700+ cases in 2025, causing $20M in losses. Five Venezuelan nationals have pleaded guilty...

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ValleyRAT: When Legitimate Software Becomes a Malware Delivery Tool

ValleyRAT hides behind legitimate adware, using DLL sideloading to evade detection, steal data and give Silver Fox control of infected systems. ValleyRAT doesn’t always need to disguise itself as a...

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China-linked Fire Ant Hides Inside Trusted Infrastructure

Fire Ant hijacked Cisco routers, stole credentials and altered logs to hide its tracks, using trusted infrastructure to reach high-value networks. Chinese-linked cyber espionage group Fire Ant has...

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 112

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Operation QUICSILVER: China-Nexus Actor Targets...

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Rhysida Ransomware Group Targets Berlin Government Ahead of Vote

Berlin ‘s government faces a Rhysida ransomware attack weeks before elections, with officials refusing to pay despite a claimed 5.79 TB data theft. Berlin’s state government confirmed this week it’s...

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Russian APT BlueDelta Uses HOOKEDGE to Target Defense and Diplomatic...

BlueDelta (APT28) uses webhook.site and Microsoft Edge to hide HOOKEDGE espionage traffic targeting European governments. Recorded Future’s Insikt Group documented a campaign by BlueDelta, the Russian...

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Dark Caracal Deploys New Go Malware With Ethereum-Based C2 Fallback

Dark Caracal targets Venezuela with GoCaracal, an upgraded Bandook toolkit and an Ethereum fallback for resilient C2 communications. Dark Caracal is back with new malware and the same hunting grounds....

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Fake Minecraft Sites Are Still Spreading WeedHack After C2 Takedown

WeedHack Minecraft Malware Survives C2 Takedown: Fake Client Sites Still Active, SEO Poisoning Puts Malicious Downloads at the Top of Google McAfee Labs published a follow-up report on the WeedHack...

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