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“PupkinStealer” A New .NET-Based Malware Steals Browser Credentials & Exfiltrate via Telegram

“PupkinStealer” A New .NET-Based Malware Steals Browser Credentials & Exfiltrate via Telegram

PupkinStealer is a C# malware that steals sensitive data, including browser credentials and desktop files, using Telegram for stealthy data exfiltration. Discovered in April 2025, it targets specific data types and employs a straightforward design, making it accessible for less-skilled attackers. Mitigation strategies include user awareness, antivirus deployment, network monitoring, and secure credential management.

Source: cybersecuritynews.com –

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