rule bulwark_https_bulwarkblack_com_infostealer_infection_unmasks_dprk_operative_behind_polyfill_io_s
{
    meta:
        author = "Bulwark Black LLC"
        source = "https://bulwarkblack.com/infostealer-infection-unmasks-dprk-operative-behind-polyfill-io-supply-chain-attack-and-us-crypto-exchange-infiltration/"
        description = "Auto-extracted indicators. Verify before use; not a behavioral detection rule."
        generated = "2026-08-27T00:00:00Z"
        tlp = "TLP:CLEAR"
        indicator_count = "9"
    strings:
        $s0 = "funnull.host" ascii wide nocase  // Domains
        $s1 = "gate.us" ascii wide nocase  // Domains
        $s2 = "infostealers.com" ascii wide nocase  // Domains
        $s3 = "polyfill.com" ascii wide nocase  // Domains
        $s4 = "polyfill.io" ascii wide nocase  // Domains
        $s5 = "polyfillcache.com" ascii wide nocase  // Domains
        $s6 = "t2.funnull.host" ascii wide nocase  // Domains
        $s7 = "www.mediafire.com" ascii wide nocase  // Domains
        $s8 = "192.161.60.132" ascii wide nocase  // IPv4
    condition:
        any of ($s*)
}