Fake Claude AI Site Drops Beagle Backdoor on Windows Users

Sophos finds fake Claude site spreading DonutLoader and a new Beagle backdoor via DLL sideloading

Security Aid May 7, 2026 1 minute read

Sophos finds fake Claude site spreading DonutLoader and a new Beagle backdoor via DLL sideloadingSophos finds fake Claude site spreading DonutLoader and a new Beagle backdoor via DLL sideloading Read More

About The Author

Security Aid

See author's posts

Security Aid

Related Stories

OpenAI and Anthropic LLMs Used in Critical Infrastructure Cyber-Attack, Warns Dragos

Daemon Tools Developer Confirms Software Was Trojanized

Researchers Spot Uptick in Use of Vercel for Phishing Campaigns