alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious user agent (mdms)"; flow:established,to_server; http.method; content:"GET"; http.user_agent; content:"mdms"; startswith; endswith; classtype:trojan-activity; sid:2012761; rev:6; metadata:created_at 2011_05_03, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_13;)