alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Winstar WN572HP3 upload.cgi HTTP Cookie buffer overflow attempt"; flow:established,to_server; http.uri; bsize:19; content:"/cgi-bin/upload.cgi"; fast_pattern; http.cookie; isdataat:200; reference:url,lafdrew.github.io/2025/03/17/Buffer%20Overflow%20in%20upload.cgi%20of%20WINSTAR_WN572HP3%20Device/; classtype:web-application-attack; sid:2062375; rev:1; metadata:affected_product Winstar, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_05_15, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_05_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)