alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/Adware.Bang5mai.BB CnC Activity M2"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/2.gif?m22="; startswith; content:"&m12=&m21="; distance:7; within:10; content:"&m9=&m16=0&m1="; distance:32; within:14; fast_pattern; reference:md5,6b540ba2fc2e606e9e2c8b72818caa28; classtype:pup-activity; sid:2029076; rev:2; metadata:attack_target Client_Endpoint, created_at 2019_11_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, updated_at 2019_11_27;)