alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TonRAT CnC Request to TonAPI Dead Drop Resolver"; flow:established,to_server; xbits:isset,ET.TonRATC2, track ip_src; http.host; bsize:9; content:"tonapi.io"; http.uri; content:"/blockchain/accounts/"; fast_pattern; content:"/methods/get_domain"; endswith; classtype:command-and-control; sid:2071911; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, affected_product Windows_8, affected_product Windows_10, attack_target Client_Endpoint, created_at 2026_09_02, deployment Perimeter, malware_family TonRAT, confidence High, signature_severity Major, tag c2, tag Blockchain, updated_at 2026_09_02, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)