alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP W32/MultiPlug.Adware Adfraud Traffic"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/sync"; startswith; content:"/?rmbs="; within:8; fast_pattern; http.user_agent; bsize:108; content:"Mozilla/5.0 (Windows NT 6.1|3b 20|WOW64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.57 Safari/537.17"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:url,blogs.cisco.com/security/talos/bad-browser-plug-ins; classtype:pup-activity; sid:2020457; rev:7; metadata:created_at 2015_02_17, signature_severity Minor, updated_at 2024_05_04;)