alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Zhelatin npopup Update Detected"; flow:established,to_server; http.method; content:"POST"; startswith; http.uri; content:"/server/npopup/"; nocase; http.request_body; content:"data="; nocase; content:"&key="; nocase; classtype:trojan-activity; sid:2007787; rev:7; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2024_04_13;)