import "hash"

rule bulwark_https_bulwarkblack_com_emudhra_ca_key_compromise_trust_stores_beyond_browser
{
    meta:
        author = "Bulwark Black LLC"
        source = "https://bulwarkblack.com/emudhra-ca-key-compromise-trust-stores-beyond-browser/"
        description = "Auto-extracted indicators. Verify before use; not a behavioral detection rule."
        generated = "2026-10-21T15:36:44Z"
        tlp = "TLP:CLEAR"
        indicator_count = "3"
    strings:
        $s0 = "www.fi.muni.cz" ascii wide nocase  // Domains
        $s1 = "https://www.fi.muni.cz/reports/files/2016/FIMU-RS-2016-03.pdf" ascii wide nocase  // URLs
    condition:
        any of ($s*) or
        hash.md5(0, filesize) == "8c5b343d04fd55b144201e4c59e5971e"
}