alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET JA3 Hash - Remcos 3.x/4.x TLS Connection"; flow:established,to_server; ja3.hash; content:"a85be79f7b569f1df5e6087b69deb493"; classtype:command-and-control; sid:2036594; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_19, deployment Perimeter, malware_family Remcos, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_19;)