MalwareBleeping Computer
8.0 — CRITICAL
Fake Claude AI website delivers new 'Beagle' Windows malware
A fake version for the Claude AI website offers a malicious Claude-Pro Relay download that pushes a previously undocumented backdoor for Windows named Beagle. [...]
🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview
A fake Claude AI website delivers a new 'Beagle' Windows malware, targeting developers with a previously undocumented backdoor that grants remote access to the system. The threat actor's campaign uses a combination of sideloading and in-memory injection to evade detection.
⚙️Technical Details
Affected Systems
Windows
Attack Vectors
Sponsored search resultsRedirects from fake Claude AI websiteMicrosoft Defender binariesAdaptixC2 shellcodeDecoy PDF
💥Impact Assessment
Severity: high
Who Is at Risk
Developers with access to the Claude AI platformSeverity: high
🛡️Recommended Actions
1Ensure downloading Claude from the official portal and skip or hide sponsored search results
2Monitor systems for presence of 'NOVupdate' files
3Implement additional security measures, such as using a reputable antivirus solution
📦Affected Products
Claude AI platform
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