alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP MacOS/OnlineAppNotice Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/kits/installers/utils/"; startswith; http.user_agent; content:"AppNotice/"; startswith; fast_pattern; reference:md5,f7f230e40a8f46f641e1e1b00a5d6c7b; classtype:pup-activity; sid:2045628; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_05_10, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, updated_at 2023_05_10;)