alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS JCM JIR-AC681 systools.asp Command Injection Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:17; content:"/adm/systools.asp"; fast_pattern; http.request_body; pcre:"/.*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24)|(?:\x26{2}|%26%26))+/"; reference:url,github.com/4d000/JCM-JIR-AC681M-Exploit; classtype:attempted-admin; sid:2062266; rev:1; metadata:affected_product JCM, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_05_12, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_05_12, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)