Loader_MSIL_NETAssemblyInject_1

rule Loader_MSIL_NETAssemblyInject_1
{
    meta:
        description = "The TypeLibGUID present in a .NET binary maps directly to the ProjectGuid found in the '.csproj' file of a .NET project. This rule looks for .NET PE files that contain the ProjectGuid found in the 'NET-Assembly-Inject' project."
        md5 = "dd8805d0e470e59b829d98397507d8c2"
        reference = "https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html"
        author = "FireEye"
        id = "62a7dc4c-678b-5f13-9661-4679eafe1c72"
    strings:
        $typelibguid0 = "af09c8c3-b271-4c6c-8f48-d5f0e1d1cac6" ascii nocase wide
        $typelibguid1 = "c5e56650-dfb0-4cd9-8d06-51defdad5da1" ascii nocase wide
        $typelibguid2 = "e8fa7329-8074-4675-9588-d73f88a8b5b6" ascii nocase wide
    condition:
        (uint16(0) == 0x5A4D and uint32(uint32(0x3C)) == 0x00004550) and any of them
}