alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET FILE_SHARING File Download from transfer .sh Service"; flow:established,to_client; http.response_header; to_lowercase; strip_pseudo_headers; content:"x-made-with: |3c|3|20|by|20|dutchcoders"; fast_pattern; http.response_header; to_lowercase; strip_pseudo_headers; content:"x-served-by: proudly|20|served|20|by|20|dutchcoders"; classtype:misc-activity; sid:2056553; rev:1; metadata:created_at 2024_10_08, confidence High, signature_severity Informational, tag TA_Abused_Service, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_10_08;)