alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET WEB_CLIENT PolarisOffice Insecure Library Loading"; flow:to_server; http.method; content:"GET"; http.uri; content:"puiframeworkproresenu.dll"; endswith; reference:cve,2018-12589; classtype:attempted-user; sid:2025792; rev:3; metadata:attack_target Client_Endpoint, created_at 2018_07_06, cve CVE_2018_12589, deployment Perimeter, signature_severity Minor, updated_at 2020_09_16;)