alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Nemours/Proyecto RAT CnC Checkin"; flow:established,to_server; content:"0|7c|New|20|-|20|"; depth:8; fast_pattern; content:"|7c|"; distance:0; content:"|7c|Windows"; distance:0; content:"|7c|"; distance:0; content:"|7c|"; distance:0; content:"|7c|"; distance:0; content:"|7c|"; distance:0; reference:md5,50a9218c891453c00b498029315ac680; classtype:command-and-control; sid:2028648; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_11_30, deployment Perimeter, malware_family Nemours, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2019_10_04;)