import "hash"

rule bulwark_https_bulwarkblack_com_facebook_malvertising_campaign_uses_fake_windows_11_pages_to_depl
{
    meta:
        author = "Bulwark Black LLC"
        source = "https://bulwarkblack.com/facebook-malvertising-campaign-uses-fake-windows-11-pages-to-deploy-credential-stealing-malware/"
        description = "Auto-extracted indicators. Verify before use; not a behavioral detection rule."
        generated = "2026-08-27T05:23:49Z"
        tlp = "TLP:CLEAR"
        indicator_count = "5"
    strings:
        $s0 = "ms-25h2-download.pro" ascii wide nocase  // Domains
        $s1 = "ms-25h2-update.pro" ascii wide nocase  // Domains
        $s2 = "ms25h2-download.pro" ascii wide nocase  // Domains
        $s3 = "ms25h2-update.pro" ascii wide nocase  // Domains
    condition:
        any of ($s*) or
        hash.sha256(0, filesize) == "c634838f255e0a691f8be3eab45f2015f7f3572fba2124142cf9fe1d227416aa"
}