HKTL_NET_GUID_Mass_RAT

rule HKTL_NET_GUID_Mass_RAT {
    meta:
        description = "Detects c# red/black-team tools via typelibguid"
        reference = "https://github.com/NYAN-x-CAT/Mass-RAT"
        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 = "90b742da-6fd7-5c72-96cf-7a37a3e5d808"
    strings:
        $typelibguid0lo = "6c43a753-9565-48b2-a372-4210bb1e0d75" ascii wide
        $typelibguid1lo = "92ba2a7e-c198-4d43-929e-1cfe54b64d95" ascii wide
        $typelibguid2lo = "4cb9bbee-fb92-44fa-a427-b7245befc2f3" ascii wide
    condition:
        (uint16(0) == 0x5A4D and uint32(uint32(0x3C)) == 0x00004550) and any of them
}