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.

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backdoor, cryptocurrency, cybersecurity, Malware, SCAM, Security, Siggen, Steam, Supply Chain, TROJAN, Visual Studio

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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.

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backdoor, Crucio, cybersecurity, FlockWiper, GigaWiper, Malware, Microsoft, Security, Windows

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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.

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backdoor, Cyber Crime, cybersecurity, Malware, Mistic, Ransomware, RAT, Security, Woodgnat

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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.

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backdoor, BYOVD, Cyber Attack, Cyber-Attacks, cybersecurity, DragonForce, Malware, Microsoft, Microsoft Teams, Privacy, Ransomware, Security, vulnerability

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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.

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backdoor, Cyber Attack, cybersecurity, Google ads, macOS, Malvertising, Malware, Operation FlutterBridge, SCAM, Scams and Fraud, Security

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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.

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backdoor, Cyber Attack, cybersecurity, Fraud, GoDaddy, Malware, SCAM, Security, Steam, Wordpress

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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.

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backdoor, Cyb;e, cybersecurity, HumanitarianBait, Malware, Python, Russia, SCAM, Scams and Fraud, Security, spyware

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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.

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0day, AI, Android, Artificial Intelligence, backdoor, Cyber Attack, cybersecurity, GitHub, Google, Malware, PyPI, Security, vulnerability

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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.

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backdoor, cybersecurity, Fraud, JDownloader, Malware, SCAM, Scams and Fraud, Security

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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.

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AI, Anthropic, Artificial Intelligence, backdoor, Beagle, Claude, Cyber Attack, cybersecurity, Fraud, Malware, SCAM, Scams and Fraud, Security

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Category: backdoor