alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP OSX ADWARE/AD Injector"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"&mvr="; within:5; pcre:"/[a-fA-F0-9]{8}\-[a-fA-F0-9]{4}\-[a-fA-F0-9]{4}\-[a-fA-F0-9]{4}\-[a-fA-F0-9]{12}/"; http.user_agent; content:"Python-urllib/"; depth:14; fast_pattern; reference:url,objective-see.com/blog/blog_0x3F.html; classtype:pup-activity; sid:2027319; rev:5; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2019_05_06, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Adware, updated_at 2020_11_18;)