alert tcp $HOME_NET any -> $EXTERNAL_NET 3389 (
msg:"ET MALWARE Observed Rogue RDP (UAC-0215) Domain (eu-southeast-1-aws.zero-trust.solutions In TLS RDP Traffic)";
flow:established,to_server;
content:"|16 03|"; startswith;
content:"eu-southeast-1-aws.zero-trust.solutions"; distance:0; fast_pattern;
reference:url,cert.gov.ua/article/6281076;
classtype:command-and-control;
sid:2057464; rev:1;
metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2024_11_14, deployment Perimeter, confidence High, signature_severity Major, tag SSL_TLS_SNI, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_14, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)