alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Shared File Retrieved (roamresearch .com)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/|23|/app/cig/page/"; startswith; fast_pattern; http.host; content:"roamresearch.com"; classtype:bad-unknown; sid:2037765; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_07_14, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_14;)