alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Alexa Spyware Redirecting User"; flow:established,to_server; http.uri; content:"/redirect?http"; nocase; http.host; content:"redirect.alexa.com"; fast_pattern; startswith; classtype:pup-activity; sid:2003619; rev:8; metadata:created_at 2010_07_30, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_02;)