alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/DanijBot CnC Checkin"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"?hwid="; content:"&bit="; content:"&info=Windows|3a 20|"; http.user_agent; content:"Botnet by Danij"; fast_pattern; depth:15; endswith; http.header_names; content:!"Referer"; reference:md5,41aa955d06abf7df96e746cf1cb781b4; classtype:command-and-control; sid:2025470; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_06, deployment Perimeter, malware_family DanijBot, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_09_16;)