backengineering / LetMeGG

A POC about how to prevent windbg break

LetMeGG

What's this?

A POC about how to prevent windbg break

Principle

int2D(ExceptionInformation[0]=5)->
  KiDebugServiceTrap->
    KiExceptionDispatch->
      KiDispatchException->
        KdTrap->
          KdpTrap/KdpStub->
            KdpCommandString

Compile

• Visual Studio 2022
• llvm-msvc [link]