[SECTION .text] global _start _start: ; Set a var to 1, let PS known exe is exiting mov rbx, 0x4141414141414141 mov [rbx], byte 0x01 ; Call exitthread instead of exitprocess sub rsp, 0xc0 and sp, 0xFFf0 ; Needed for stack alignment mov rbx, 0x4141414141414141 call rbx