alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED MonetizeUs Outbound Activity Observed M2"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/metric/?mid="; startswith; fast_pattern; content:"&wid="; distance:0; content:"&sid="; distance:0; content:"&tid="; distance:0; content:"&rid="; distance:0; pcre:"/^(?:BEFORE_OUTPUT_REQ|FINISHED|LOADED|LAUNCHED)/RU"; threshold:type limit, count 1, seconds 120, track by_src; classtype:bad-unknown; sid:2029601; rev:1; metadata:created_at 2020_03_09, performance_impact Low, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_03_09;)