HackTool_MSIL_HOLSTER_1


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 a customized version of the 'DUEDLLIGENCE' project.

Query · yara

strings:
        $typelibguid1 = "a8bdbba4-7291-49d1-9a1b-372de45a9d88" ascii nocase wide
    condition:
        (uint16(0) == 0x5A4D and uint32(uint32(0x3C)) == 0x00004550) and any of them
Raw source HackTool_MSIL_HOLSTER_1 · YARA
Esc
Published by Neo23x0/signature-base ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
rule HackTool_MSIL_HOLSTER_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 a customized version of the 'DUEDLLIGENCE' project."
        md5 = "a91bf61cc18705be2288a0f6f125068f"
        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 = "e1e8979e-2dee-5061-a11d-00dcfba476c3"
    strings:
        $typelibguid1 = "a8bdbba4-7291-49d1-9a1b-372de45a9d88" ascii nocase wide
    condition:
        (uint16(0) == 0x5A4D and uint32(uint32(0x3C)) == 0x00004550) and any of them
}

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