alert http any any -> [$HTTP_SERVERS,$HOME_NET] any (msg:"ET EXPLOIT Microsoft Exchange Server Exploitation Inbound (CVE-2020-17132)"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"/ecp/DLPPolicy/ManagePolicyFromISV.aspx"; startswith; http.request_body; content:"ctl00$ResultPanePlaceHolder$contentContainer$upldCtrl"; content:"[Diagnostics.Process]::start|28|"; distance:0; reference:cve,CVE-2020-17132; reference:url,github.com/sudohyak/suricata-rules/blob/main/CVE-2020-17132/CVE-2020-17132.rules; reference:cve,2020-17132; classtype:attempted-admin; sid:2031506; rev:2; metadata:attack_target Server, created_at 2021_01_08, cve CVE_2020_17132, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_08;)