alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED W32/Parite CnC Checkin"; flow:established,to_server; content:"?MI="; http_uri; content:"&os="; http_uri; content:"&TE="; http_uri; content:"&TV="; http_uri; content:!"SeaPort/"; http_header; classtype:command-and-control; sid:2013716; rev:3; metadata:attack_target Client_Endpoint, created_at 2011_10_01, deployment Perimeter, malware_family Parite, signature_severity Major, updated_at 2019_07_26;)