alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Linksys WPSSTAPINEnr ssid Parameter Buffer Overflow Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:20; content:"/goform/WPSSTAPINEnr"; fast_pattern; http.request_body; content:"ssid|3d|"; pcre:"/^[^\x26$]{100,}(?:\x26|$)/R"; reference:url,github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_14/14.md; classtype:web-application-attack; sid:2062765; rev:1; metadata:affected_product Linksys, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_06_04, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_06_04, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)