alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Capesand EK Visitor Tracking"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/add_visitor.php?referrer=http"; depth:30; fast_pattern; http.header; content:"/landing.php|0d 0a|"; classtype:exploit-kit; sid:2028939; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_11_05, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_21;)