rule bulwark_https_bulwarkblack_com_hollowgraph_microsoft_365_calendar_c2_defense
{
    meta:
        author = "Bulwark Black LLC"
        source = "https://bulwarkblack.com/hollowgraph-microsoft-365-calendar-c2-defense/"
        description = "Auto-extracted indicators. Verify before use; not a behavioral detection rule."
        generated = "2026-08-02T15:07:45Z"
        tlp = "TLP:CLEAR"
        indicator_count = "8"
    strings:
        $s0 = "Booking.com" ascii wide nocase  // Domains
        $s1 = "BugsBounty.com" ascii wide nocase  // Domains
        $s2 = "Builder.ai" ascii wide nocase  // Domains
        $s3 = "Coinopsy.com" ascii wide nocase  // Domains
        $s4 = "Collectibles.com" ascii wide nocase  // Domains
        $s5 = "Discord.io" ascii wide nocase  // Domains
        $s6 = "Duck.ai" ascii wide nocase  // Domains
        $s7 = "cloudlanecdn.com" ascii wide nocase  // Domains
    condition:
        any of ($s*)
}