---
Name: csi.exe
Description: Command line interface included with Visual Studio.
Author: 'Oddvar Moe'
Created: '2018-05-25'
Commands:
  - Command: csi.exe file
    Description: Use csi.exe to run unsigned C# code.
    Usecase: Local execution of unsigned C# code.
    Category: Execute
    Privileges: User
    MitreID: T1218
    MitreLink: https://attack.mitre.org/wiki/Technique/T1218
    OperatingSystem: Windows
Full_Path:
  - Path: c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin\Roslyn\csi.exe
  - Path: c:\Program Files (x86)\Microsoft Web Tools\Packages\Microsoft.Net.Compilers.X.Y.Z\tools\csi.exe
Code_Sample:
  - Code:
Detection:
  - IOC:
Resources:
  - Link: https://twitter.com/subTee/status/781208810723549188
  - Link: https://enigma0x3.net/2016/11/17/bypassing-application-whitelisting-by-using-dnx-exe/
Acknowledgement:
  - Person: Casey Smith
    Handle: '@subtee'
---