alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO HotSpotShield Activity"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"|2d 2d 41 66 50 72 30 78 59|"; startswith; content:"|2d 2d 41 66 50 72 30 78 59 2d 2d|"; distance:0; http.content_type; bsize:37; content:"multipart/form-data|3b 20|boundary=AfPr0xY"; fast_pattern; http.header_names; to_lowercase; content:!"|0d 0a|accept"; content:!"|0d 0a|referer|0d 0a|"; reference:md5,45f4e1bb4efd12f0e8b949174a198bf3; classtype:policy-violation; sid:2022342; rev:7; metadata:created_at 2016_01_08, confidence High, signature_severity Informational, updated_at 2024_05_04;)