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 Uses GitHub Images to Stay Active After Takedowns

Astaroth banking trojan has evolved to use GitHub and steganography for resilient C2, hiding its vital commands in images. Learn how this sophisticated malware employs fileless techniques to steal banking and crypto credentials from users across Latin …

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 […]

Attackers don’t linger, they strike and move on

Cyber attacks are happening faster than ever. Intrusions that once took weeks or months now unfold in minutes, leaving little time to react. Attackers move quickly once they gain access, aiming to run their payloads and get results before defenders can…

Clop Ransomware group claims the hack of Harvard University

The notorious Clop Ransomware group claims the hack of Harvard University and added the prestigious institute to its Tor data leak site. The Clop Ransomware group announced the hack of the prestigious Harvard University. The cybercrime group created a page for the university on its Tor data leak site and announced it will leak the […]

Security Affairs newsletter Round 545 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. CVE-2025-11371: Unpatched zero-day in Gladinet CentreStack, Triofox under attack Cybercrime ring GXC Team dismantled in Spain, […]

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 […]

Attackers exploit valid logins in SonicWall SSL VPN compromise

Huntress warns of widespread SonicWall SSL VPN breaches, with attackers using valid credentials to access multiple accounts rapidly. Cybersecurity firm Huntress warned of a widespread compromise of SonicWall SSL VPNs, with threat actors using valid credentials to access multiple customer accounts rapidly. “As of October 10, Huntress has observed widespread compromise of SonicWall SSLVPN devices […]