alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP WhenUClick.com Application Version Check"; flow:established,to_server; http.uri; content:"/versions.html"; nocase; http.host; content:"whenu.com"; fast_pattern; reference:url,www.whenusearch.com; reference:url,www.kephyr.com/spywarescanner/library/whenusearch/index.phtml; classtype:pup-activity; sid:2003389; rev:10; metadata:created_at 2010_07_30, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_02;)