alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE [PTsecurity] Remcos RAT Checkin 73"; flow:established,to_server; content:"|2e 11 6e fe 1c 00 92 21 3c ce 31|"; depth:11; reference:md5,9e31ee4bb378d3cf6f80f9f30e9f810f; classtype:command-and-control; sid:2026513; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_16, deployment Perimeter, malware_family Remcos, performance_impact Low, confidence High, signature_severity Major, tag RAT, updated_at 2019_07_26;)