alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TA398 AresRAT CnC Exfil (POST)"; flow:established,to_server; urilen:<38; http.method; content:"POST"; http.uri; content:"/root_"; fast_pattern; pcre:"/^\x2f(?:api|uploads?)\x2froot_\d{10,18}\x2f(?:hello|letter|upload)$/"; http.request_body; content:"name|3d 22|uploaded|22 3b 20|filename|3d 22|list|2e|txt|22|"; content:"|2e 2f 2e|bashrc"; distance:0; content:"|2e 2f 2e|profile"; distance:0; content:"|2e 2f 2e|viminfo"; distance:0; reference:url,x.com/Cyberteam008/status/1920423302683623728; reference:url,pastebin.com/xG0rWi9J; reference:md5,c8e319f97724c8b3b5ed27ca28849fd2; classtype:command-and-control; sid:2062173; rev:1; metadata:affected_product Linux, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_05_08, deployment Perimeter, malware_family AresRAT, performance_impact Low, confidence High, signature_severity Major, tag c2, tag TA398, updated_at 2025_05_08, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)