alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Arechclient2 Backdoor/SecTopRAT Related Activity M3 (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/wbinjget?q="; startswith; fast_pattern; pcre:"/^[0-9A-F]{32}$/R"; reference:md5,8f6d5a6f20fbcc87e2d2032652b02de6; classtype:trojan-activity; sid:2061118; rev:1; metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2025_03_26, deployment Perimeter, malware_family Arechclient2, malware_family SecTopRAT, performance_impact Low, confidence Medium, signature_severity Critical, tag RAT, updated_at 2025_03_26; target:src_ip;)