alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Double User-Agent (User-Agent User-Agent)"; flow:established,to_server; http.user_agent; content:"User-Agent|3a 20|"; fast_pattern; startswith; nocase; content:!"SogouMobileTool"; nocase; http.host; content:!".lge.com"; content:!".kugou.com"; classtype:bad-unknown; sid:2003626; rev:18; metadata:created_at 2010_07_30, confidence Medium, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_11;)