alert http any any -> $HOME_NET any (msg:"ET WEB_SERVER SonicWall SRA Post-Auth viewcert CGI Command Injection (CVE-2016-9684)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/cgi-bin/viewcert"; fast_pattern; http.request_body; content:"CERT|3d|"; pcre:"/^[^\x26\x0d\x0a]*?[\x3b\x60\x7c]/R"; reference:url,www.exploit-db.com/exploits/42343; reference:cve,2016-9684; classtype:web-application-attack; sid:2061547; rev:1; metadata:affected_product SonicWall, attack_target Server, tls_state TLSDecrypt, created_at 2025_04_14, cve CVE_2016_9684, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_04_14, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)