alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE OSX/iWebUpdate CnC Activity"; flow:established,to_server; http.uri; content:".php?v="; fast_pattern; content:"&c="; distance:0; content:"&os="; distance:0; content:"&hw="; distance:0; pcre:"/\.php\?v=\d+&c=[^&]+&u=[0-9a-fA-F]{8}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{12}&os=/"; reference:url,objective-see.org/blog/blog_0x72.html; classtype:command-and-control; sid:2044206; rev:1; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2023_02_15, deployment Perimeter, malware_family OSX_iWebUpdate, performance_impact Significant, confidence High, signature_severity Major, tag c2, updated_at 2023_02_15, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)