alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/Zonebac Traffic Redirect"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/"; http.request_body; content:"ic="; startswith; fast_pattern; content:"&fb="; distance:0; reference:md5,23ad5529074fa0fba3258b155440659f; classtype:pup-activity; sid:2030821; rev:1; metadata:attack_target Client_Endpoint, created_at 2020_09_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_01;)