rule bulwark_https_bulwarkblack_com_nginx_cve_2026_42533_reverse_proxy_config_defense
{
    meta:
        author = "Bulwark Black LLC"
        source = "https://bulwarkblack.com/nginx-cve-2026-42533-reverse-proxy-config-defense/"
        description = "Auto-extracted indicators. Verify before use; not a behavioral detection rule."
        generated = "2026-07-20T01:07:53Z"
        tlp = "TLP:CLEAR"
        indicator_count = "1"
    strings:
        $s0 = "37.0.3.1" ascii wide nocase  // IPv4
    condition:
        any of ($s*)
}