alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT .NET Framework Remote Code Execution Injection (CVE-2020-0646)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"_vti_bin"; content:"/webpartpages.asmx"; endswith; http.request_body; content:"<?xml"; content:"System.Diagnostics.Process.Start"; fast_pattern; reference:url,dl.packetstormsecurity.net/2003-exploits/sharepoint_workflows_xoml.rb.txt; reference:cve,2020-0646; classtype:attempted-admin; sid:2034509; rev:1; metadata:created_at 2021_11_18, cve CVE_2020_0646, confidence Medium, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_18, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)