Versions (2)
Version DetailsCurrent
Rev: 1 • Oct 24, 2025, 12:00 PMET WEB_SERVER Microsoft Windows Server Update Services (WSUS) Unauthenticated Remote Code Execution via Insecure Deserialization (CVE-2025-59287)
alert http any any -> $HOME_NET any (msg:"ET WEB_SERVER Microsoft Windows Server Update Services (WSUS) Unauthenticated Remote Code Execution via Insecure Deserialization (CVE-2025-59287)"; flow:established,to_server; http.uri; content:"/ReportingWebService/ReportingWebService.asmx"; fast_pattern; startswith; http.header; content:"/SoftwareDistribution/ReportEventBatch"; http.request_body; content:"MiscData"; content:"Administrator|3d|"; content:"SynchronizationUpdateErrorsKey"; reference:url,hawktrace.com/blog/CVE-2025-59287-UNAUTH; reference:cve,2025-59287; classtype:web-application-attack; sid:2065382; rev:1; metadata:affected_product Windows_Server_2019, affected_product Windows_Server_2022, affected_product Windows_Server_2016, affected_product Windows_Server_2012, affected_product Windows_Server_2025, attack_target Server, tls_state TLSDecrypt, created_at 2025_10_24, cve CVE_2025_59287, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
Oct 24, 2025, 12:00 PM
Oct 24, 2025, 12:00 PM
Oct 24, 2025, 9:34 PM
Oct 27, 2025, 10:34 PM
rules/emerging-web_server.rules