HKTL_NET_GUID_WindowsDefender_Payload_Downloader

rule HKTL_NET_GUID_WindowsDefender_Payload_Downloader {
    meta:
        description = "Detects c# red/black-team tools via typelibguid"
        reference = "https://github.com/notkohlrexo/WindowsDefender-Payload-Downloader"
        license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
        author = "Arnim Rupp (https://github.com/ruppde)"
        date = "2020-12-13"
        modified = "2025-08-15"
        id = "6e494a91-c05e-5a2e-8aa9-77600f3bdd47"
    strings:
        $typelibguid0lo = "2f8b4d26-7620-4e11-b296-bc46eba3adfc" ascii wide
    condition:
        (uint16(0) == 0x5A4D and uint32(uint32(0x3C)) == 0x00004550) and any of them
}