ATTACK [PTsecurity] Possible SharePoint Leak MachineKey (CVE-2025-53770)
Sourceptrules/open
CreatedJuly 24, 2025
UpdatedJuly 24, 2025
Classificationsuccessful-admin
alert http any any -> any any (msg:"ATTACK [PTsecurity] Possible SharePoint Leak MachineKey (CVE-2025-53770)"; flow:established, from_server; http.server; content:"Microsoft-IIS"; file_data; content:"|7C|Auto|7C|Framework"; pcre:"/^[A-Z0-9]{64}\|HMACSHA256\|[A-Z0-9]{64}\|Auto\|Framework\d+.{0,5}$/"; reference:cve, 2025-53770; reference:url, research.eye.security/sharepoint-under-siege/; reference:url, rules.ptsecurity.com; classtype:successful-admin; sid:10014318; rev:2;)
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