alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP W32/Baigoo User Agent"; flow:established,to_server; http.user_agent; content:"BaiGoo Agent"; startswith; classtype:pup-activity; sid:2013405; rev:5; metadata:created_at 2011_08_11, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_02;)