alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET GAMES GameHouse License Check"; flow:established,to_server; http.request_line; content:"POST /lm/dynamicLicense HTTP/1.1"; bsize:32; fast_pattern; http.header_names; content:"|0d 0a|Referer|0d 0a|"; http.request_body; content:"parameters="; startswith; reference:md5,0e29380dcc1f9a57f545fc26b4045c94; classtype:policy-violation; sid:2031878; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_03_08, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_08;)