alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Guangzhou 1GE ONU OS Command Execution (CVE-2020-8958)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"boaform/admin/formPing"; endswith; fast_pattern; http.request_body; content:"target_addr=%3B"; nocase; http.content_type; content:"application/x-www-form-urlencoded"; bsize:33; reference:url,www.karansaini.com/os-command-injection-v-sol/; reference:cve,2020-8958; classtype:attempted-admin; sid:2034488; rev:3; metadata:attack_target Server, created_at 2021_11_17, cve CVE_2020_8958, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2022_05_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)