alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP W32/Linkular.Adware Successful Install Beacon"; flow:established,to_server; http.uri; content:"/api/success/?s="; fast_pattern; content:"&c="; content:"&cv="; content:"&context="; http.user_agent; content:"NSIS_Inetc (Mozilla)"; depth:20; reference:md5,7cc162a2ba136baaa38a9ccf46d97a06; classtype:pup-activity; sid:2017880; rev:9; metadata:attack_target Client_Endpoint, created_at 2013_12_17, deployment Perimeter, signature_severity Minor, tag c2, updated_at 2020_10_12, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)