alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE UrgentBot Sending Results to CnC Server (POST)"; flow:established,to_server; urilen:8; http.method; content:"POST"; http.uri; content:"/sendres"; fast_pattern; http.user_agent; content:"WindowsPowerShell"; threshold:type limit,count 1,seconds 300,track by_src; reference:md5,be71ca996011e34fea985a0cf674657e; classtype:command-and-control; sid:2063298; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_07_03, deployment Perimeter, confidence High, signature_severity Critical, tag c2, updated_at 2025_07_03, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)