alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS pfSense CE 2.7.0 gfif Parameter Remote Code Execution Attempt (CVE-2023-42326) M2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/interfaces_gre_edit.php"; fast_pattern; http.request_body; content:"__csrf_magic|3d|"; startswith; content:"greif|3d|"; content:"|3b|"; distance:0; within:50; reference:url,www.sonarsource.com/blog/pfsense-vulnerabilities-sonarcloud/; reference:cve,2023-42326; classtype:attempted-admin; sid:2049665; rev:1; metadata:attack_target Networking_Equipment, created_at 2023_12_12, cve CVE_2023_42326, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_12_12, reviewed_at 2024_10_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)