alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Xpire.info Spyware Checkin"; flow:established,to_server; http.uri; content:"/install.gz"; nocase; http.host; bsize:10; content:"xpire.info"; fast_pattern; classtype:pup-activity; sid:2001491; rev:13; metadata:created_at 2010_07_30, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_01;)