HKTL_NET_GUID_Crassus

rule HKTL_NET_GUID_Crassus {
    meta:
        description = "Detects .NET red/black-team tools via typelibguid"
        reference = "https://github.com/vu-ls/Crassus"
        license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
        author = "Arnim Rupp (https://github.com/ruppde)"
        date = "2023-03-18"
        modified = "2025-08-15"
        id = "d4f94aa3-0431-5ac1-8718-0f0526c3714f"
    strings:
        $typelibguid0lo = "7e9729aa-4cf2-4d0a-8183-7fb7ce7a5b1a" ascii wide
    condition:
        (uint16(0) == 0x5A4D and uint32(uint32(0x3C)) == 0x00004550) and any of them
}