alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP GreatArcadeHits CnC Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/reports/install.php?options="; startswith; fast_pattern; http.user_agent; bsize:9; content:"USERAGENT"; reference:md5,15b2b90540f8b47b3773ce7fe80ae96b; classtype:pup-activity; sid:2029351; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_02_04, deployment Perimeter, confidence High, signature_severity Minor, updated_at 2020_02_04;)