[SECTION .text] global _start _start: ; Set a var to 1, let PS know the EXE is exiting mov ebx, 0x41414141 mov [ebx], byte 0x01 ; Call exitthread instead of exit process sub esp, 0x20 and esp, 0xFFFFFFc0 ; Needed for stack alignment mov ebx, 0x41414141 call ebx