alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED W32/SpyClicker.ClickFraud Click CnC Beacon"; flow:established,to_server; content:"GET"; http_method; content:"/click?sid="; http_uri; depth:11; content:"&cid="; http_uri; distance:0; pcre:"/&cid=\d+$/U"; reference:url,stopmalvertising.com/malware-reports/anatomy-of-a-net-click-fraud-bot.html; reference:md5,17b077840ab874a8370c98c840b6c671; classtype:command-and-control; sid:2019356; rev:3; metadata:attack_target Client_Endpoint, created_at 2014_10_06, deployment Perimeter, signature_severity Major, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)