alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/GameThief Initial CnC Beacon"; flow:established,to_server; http.uri; content:"/count/bindplugin.ini"; http.user_agent; content:"NSISDL/1.2 (Mozilla)"; classtype:command-and-control; sid:2016637; rev:4; metadata:attack_target Client_Endpoint, created_at 2013_03_21, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_04_23, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)