Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Suspicious Windows NT version 3 User-Agent"; flow: established,to_server; http.user_agent; content:"Windows NT 3"; nocase; fast_pattern; classtype:bad-unknown; sid:2015900; rev:7; metadata:created_at 2012_11_20, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_18;)