cmps/movs-stackoverflow_

.model small
.stack 32
.data
head1 db "Dipsticks",10,'$'
head2 db 4 Dup(' '), '$'
;;  change the value above for a buffer overflow attack
; 9 writes it perfectly
; 8 removes the E in Equals --> qual
;7 removes the Eq in Equals and prints out S from dispsticks in front
msg1 db "Equal",10,'$'
msg2 db "Not Equals",10,'$'

.code
shamoo proc far
	mov ax, @data
	mov ds, ax
	mov es, ax

	cld
	mov cx, 10
	lea si, head1
	lea di, head2
	REP MOVsB


	cld
	mov cx, 10
	lea si, head1
	lea di, head2
	REPE CMPSB

	JE L1
	LEA Dx, msg2
	mov ah, 09h
	int 21h
	jmp a30

	L1:
	lea dx, msg1
	mov ah, 09h
	int 21h

	a30:
	mov ax, 4c00h
	int 21h

	shamoo endp
end shamoo