alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Unknown Stealer Victim Profile Exfiltration (POST)"; flow:established,to_server; urilen:7; http.method; content:"POST"; http.uri; content:"/upload"; http.request_body; content:"Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|file|22 3b 20|filename|3d 22|SystemInfo|5f|"; fast_pattern; content:"|0a 0d 0a ff fe|C|00|o|00|m|00|p|00|u|00|t|00|e|00|r|00 20 00|N|00|a|00|m|00|e|00 3a|"; distance:0; reference:md5,4d1de234e39d796efe5319a4903001ff; classtype:command-and-control; sid:2060950; 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_03_18, deployment Perimeter, confidence High, signature_severity Critical, tag c2, updated_at 2025_03_18, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)