alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP MSIL.Amiricil.gen HTTP Checkin"; flow:established,to_server; http.uri; content:"/registerSession.py?"; nocase; content:"proj="; nocase; content:"&country="; nocase; content:"&lang="; nocase; content:"&channel="; nocase; content:"source="; nocase; http.user_agent; content:"NSIS_Inetc (Mozilla)"; depth:20; reference:md5,af0bbdf6097233e8688c5429aa97bbed; classtype:pup-activity; sid:2011677; rev:10; metadata:created_at 2010_07_30, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_19;)