alert http any any -> [$HTTP_SERVERS,$HOME_NET] any (msg:"ET EXPLOIT pfBlockerNG HTTP Host Header Remote Code Execution Attempt (CVE-2022-31814)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/pfblockerng/www/index.php"; fast_pattern; http.host; content:"|2a 3b|"; startswith; reference:url,www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/; reference:cve,2022-31814; classtype:attempted-admin; sid:2044629; rev:1; metadata:affected_product IoT, attack_target Networking_Equipment, created_at 2023_03_15, cve CVE_2022_31814, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)