alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/Lalus Trojan Downloader Checkin"; flow:established,to_server; http.uri; content:".php?guid="; content:"&h="; content:"&v="; content:"&affid="; content:"&update="; content:"&brand="; classtype:command-and-control; sid:2013509; rev:3; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2011_08_31, deployment Perimeter, signature_severity Major, tag Trojan_Downloader, updated_at 2020_04_20;)