alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE NanoCore RAT CnC 24"; flow:established,to_server; content:"|48 00 00 00 55 da 65 6c 4e 38 d7 f0|"; depth:12; reference:md5,a660d56a45a6da54c7582c1dfa4fa5cb; reference:url,medium.com/@the_abjuri5t/nanocore-rat-hunting-guide-cb185473c1e0; classtype:command-and-control; sid:2046915; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_12_11, deployment Perimeter, malware_family NanoCore, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2023_07_26, former_sid 2833901;)