alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Bypass Ticket Monitoring Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/getlist"; bsize:12; http.host; content:"www.bypass.cn"; bsize:13; fast_pattern; http.request_body; content:"t1="; startswith; content:"t2="; distance:0; reference:md5,8feb11d15b708736189779ddc51a4a0a; classtype:pup-activity; sid:2048363; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_09_29, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_29, reviewed_at 2023_09_29; target:src_ip;)