alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Downloader User-Agent (AutoDL\/1.0)"; flow:established,to_server; http.method; content:"GET"; nocase; http.user_agent; content:"AutoDL/1.0"; depth:10; endswith; classtype:trojan-activity; sid:2008458; rev:11; metadata:created_at 2010_07_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_16;)