alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET WEB_CLIENT Flashpack Redirect Method 2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.referer; content:".swf"; endswith; http.request_body; content:"fvers="; fast_pattern; content:"osa="; classtype:trojan-activity; sid:2019134; rev:7; metadata:created_at 2014_09_08, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_13;)