alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Rebate Informer User-Agent (REBATEINF)"; flow:established,to_server; http.user_agent; content:"REBATEINF"; fast_pattern; startswith; reference:url,www.rebategiant.com; classtype:pup-activity; sid:2014030; rev:7; metadata:attack_target Client_Endpoint, created_at 2011_12_20, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, updated_at 2024_03_17;)