alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE SymbOS/Merogo User Agent"; flow:established,to_server; http.user_agent; content:"LiveUpdater 1.0"; startswith; reference:url,www.fortiguard.com/encyclopedia/virus/symbos_merogo.b!tr.html; classtype:trojan-activity; sid:2012854; rev:3; metadata:created_at 2011_05_26, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_06;)