alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE carberp check in"; flow:established,to_server; http.method; content:"POST"; nocase; http.uri; content:"/set/first.html"; http.request_body; content:"id="; content:"os="; content:"plist="; classtype:trojan-activity; sid:2011798; rev:4; metadata:created_at 2010_10_09, signature_severity Major, updated_at 2020_04_21;)