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Threat Intelligence Report

Storm-2603 Ransomware Campaign Targets Microsoft SharePoint in 2025: Activity and TTP Analysis

๐Ÿ“… October 23, 2025 ๐Ÿ“ฐ www.picussecurity.com ๐Ÿ” 4 CVE(s) referenced

Storm-2603 is actively exploiting multiple Microsoft SharePoint vulnerabilities to deploy ransomware across Latin America and APAC organizations, using advanced defense evasion and command-and-control techniques to maximize impact and extortion in 2025.

vendor
CVE-2025-49704, CVE-2025-49706, CVE-2025-53770, CVE-2025-53771

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