;Hi Ralph ! ;Simple STACK trick ! ;Sucks all known debugger ! (DEBUG,TD,SST,MMD) jmp start ;-------------- body xor ax,ax . . . program body . . . aaab: jmp short cont ;-------------- start: !! int 1 !! mov bp,sp !! mov al,byte ptr [bp-6] lea bx,body mov cx,start-body bont: xor byte ptr [bx],al inc bx loop bont !! sub word ptr [bp-6],2+(start-aaab) !! sub sp,6 !! iret ;--------------