alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Catchonlife.com Spyware"; flow:established,to_server; http.uri; content:"/nw3/r1.txt?"; http.host; content:"catchonlife"; fast_pattern; classtype:pup-activity; sid:2003358; rev:7; metadata:created_at 2010_07_30, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_16;)