title: Dotnet.exe Exec Dll and Execute Unsigned Code LOLBIN
ruletype: Sigma
author: Beyu Denis, oscd.community
date: 2020/10/18
description: dotnet.exe will execute any DLL and execute unsigned code
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    CommandLine:
    - '*.dll'
    - '*.csproj'
  SELECTION_3:
    Image:
    - '*\dotnet.exe'
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
falsepositives:
- System administrator Usage
- Penetration test
fields:
- ComputerName
- User
- CommandLine
- ParentCommandLine
id: d80d5c81-04ba-45b4-84e4-92eba40e0ad3
level: medium
logsource:
  category: process_creation
  product: windows
modified: 2021/11/27
references:
- https://github.com/LOLBAS-Project/LOLBAS/blob/master/yml/OtherMSBinaries/Dotnet.yml
- https://twitter.com/_felamos/status/1204705548668555264
- https://bohops.com/2019/08/19/dotnet-core-a-vector-for-awl-bypass-defense-evasion/
status: test
tags:
- attack.execution
- attack.t1218