alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Win32/Retadup Success Response from CnC"; flow:established,from_server; http.stat_code; content:"200"; file.data; content:"|3a 3a|donnn|3a 3a|"; depth:9; endswith; fast_pattern; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/monero-mining-retadup-worm-goes-polymorphic-gets-an-autohotkey-variant/; classtype:command-and-control; sid:2027079; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2019_03_13, deployment Perimeter, malware_family Retadup, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_09_16;)