.NET Startup Hooks

Location:

DOTNET_STARTUP_HOOKS environment variable

Classification:

Criteria	Value
Permissions	Admin
Security context	User; System1
Persistence type	Other
Code type	DLL2
Launch type	Automatic3; User initiated4
Impact	Non-destructive
OS Version	All OS versions
Dependencies	OS only
Toolset	Scriptable

Description:

You can set the DOTNET_STARTUP_HOOKS=path/to/assembly.dll environment variable and then run a .NET app and the runtime will load your assembly.dll before Main and call StartupHook.Initialize() in it.

References:

https://github.com/dotnet/runtime/blob/main/docs/design/features/host-startup-hook.md

Credits:

@KirillOsenkov

See also:

Remarks:

1. To be verified ↩

2. .NET DLL required ↩

3. To be verified ↩

4. .NET app must be launched ↩