alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/Nolja Trojan Downloader Initial Checkin"; flow:established,to_server; http.uri; content:"/info.php?pid="; content:"&bo_table="; content:"&wr_id="; content:"&mac="; classtype:command-and-control; sid:2013375; rev:3; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2011_08_05, deployment Perimeter, signature_severity Major, tag Trojan_Downloader, updated_at 2020_04_20;)