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OctLurk and SilkLurk Windows Backdoors Target Governments in 6 Countries
Kaspersky links OctLurk and SilkLurk to cyberespionage attacks stealing passwords, emails and files from government systems in six countries since January 2025.
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Wordfence Finds Critical Backdoor in ARVE WordPress Plugin
A backdoored ARVE WordPress Plugin release could grant attackers administrator access with one token, but WordPress.org blocked automatic distribution to WordPress sites.
Siggen Backdoor Hits Windows Developers Via Infected Visual Studio Projects
Dr.Web details Siggen Windows backdoor that uses Steam for C2, steals credentials and crypto data and infects Visual Studio projects to spread among developers.
Microsoft Warns of GigaWiper Backdoor Built to Destroy Windows PCs
Microsoft details GigaWiper, a destructive Windows backdoor that can wipe disks, encrypt files and give attackers remote access to compromised systems globally.
Woodgnat Hackers Use Mistic RAT to Broker Access for Ransomware Gangs
Woodgnat Hackers use Backdoor.Mistic, a stealthy RAT, to let brokers compromise networks and sell entry points to ransomware groups, putting firms at risk.
DragonForce Ransomware Abused Microsoft Teams to Hide Malware Activity
DragonForce ransomware abused Microsoft Teams relay systems to hide a custom backdoor, steal files and encrypt systems at a US services firm.
Operation FlutterBridge Uses Fake Google Ads to Spread macOS Backdoor
Operation FlutterBridge uses fake Google ads and shell companies to deploy FlutterShell, a new macOS backdoor targeting unsuspecting users.
New WordPress Malware Uses Steam Profile Comments to Hide C2 Instructions
GoDaddy researchers found WordPress malware using Steam Community profile comments to hide encoded command and control data, with nearly 1,980 sites affected.
Operation HumanitarianBait Uses Fake Aid Documents to Deploy Python Spyware
Operation HumanitarianBait uses fake aid documents, GitHub-hosted payloads, and Python spyware to target Russian-speaking victims.
Google Says Hackers Used AI to Develop a Zero-Day Exploit
Google researchers say hackers used AI to develop zero-day exploits, Android backdoors, and automated supply chain attacks targeting GitHub and PyPI.
Hackers Hijack JDownloader Site to Deliver Malware Through Installers
JDownloader confirms a security breach where hackers manipulated official download links to distribute malicious files between 6 and 7 May 2026.
Hackers Use Fake Claude AI Site to Infect Users With New Beagle Malware
Researchers have discovered a new malvertising campaign using a fake Claude AI website to plant a new, undocumented backdoor named Beagle on user devices.
45,000 Attacks, 5,300+ Backdoors Tied to China-Linked Cybercrime Operation
SOCRadar researchers have uncovered a massive Chinese cybercrime operation using the OpenClaw and Paperclip systems to automate global attacks.
New Linux FIRESTARTER Backdoor Targets Cisco Firepower Devices
CISA and NCSC warn that FIRESTARTER, a Linux-based backdoor, targets Cisco Firepower devices, evades patches, and enables persistent access even after firmware updates.
Mustang Panda Hits India and S. Korea with Updated LOTUSLITE Backdoor
Acronis reveals Mustang Panda is using an updated version of LOTUSLITE backdoor to target Indian banks and Korean diplomats. Learn how this DLL sideloading attack works.
