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PhantomCaptcha | Multi-Stage WebSocket RAT Targets Ukraine in Single-Day Spearphishing Operation | SentinelOne

📅 October 23, 2025 📰 www.sentinelone.com 🔍 0 CVE(s) referenced

A highly sophisticated, single-day spearphishing campaign used fake government emails and a deceptive Cloudflare captcha to deploy a multi-stage WebSocket RAT against Ukrainian relief organizations, enabling remote access and data theft via Russian-controlled infrastructure.

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