Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS suspicious user agent string (changhuatong)"; flow:established,to_server; http.user_agent; content:"changhuatong"; startswith; classtype:trojan-activity; sid:2012751; rev:4; metadata:created_at 2011_04_29, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_12;)