alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Instagram Like Bot (like4u) CnC Activity M1"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/client/instagram_native/"; fast_pattern; pcre:"/^(?:likes|check|login_status)\.json\?/RU"; reference:md5,00a0737576d711a8c3a0fdf48fef035a; reference:md5,673652533091319b83a02fd82026f826; classtype:command-and-control; sid:2028915; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_10_28, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2019_10_28;)