alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Webbuying.net Spyware Installing"; flow:established,to_server; http.uri; content:"/inst.php?"; fast_pattern; nocase; content:"d="; nocase; content:"&cl="; nocase; content:"&l="; nocase; content:"&e="; nocase; content:"&v=wbi_v"; nocase; content:"&uid="; nocase; content:"&time="; nocase; content:"&win="; nocase; content:"&un=0"; nocase; classtype:pup-activity; sid:2003442; rev:7; metadata:attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_19, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system;)