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楼主 |
发表于 2014-1-26 19:48:31
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送上自家硬盘反汇编一份。
00007C00 33C0 xor ax,ax
00007C02 8ED0 mov ss,ax
00007C04 BC007C mov sp,0x7c00
00007C07 8EC0 mov es,ax
00007C09 8ED8 mov ds,ax
00007C0B BE007C mov si,0x7c00
00007C0E BF0006 mov di,0x600
00007C11 B90002 mov cx,0x200
00007C14 FC cld
00007C15 F3A4 rep movsb
00007C17 50 push ax
00007C18 681C06 push word 0x61c
00007C1B CB retf
0000061C FB sti
0000061D B90400 mov cx,0x4
00000620 BDBE07 mov bp,0x7be
00000623 807E0000 cmp byte [bp+0x0],0x0
00000627 7C0B jl 0x634
00000629 0F850E01 jnz word 0x73b
0000062D 83C510 add bp,byte +0x10
00000630 E2F1 loop 0x623
00000632 CD18 int 0x18
00000634 885600 mov [bp+0x0],dl
00000637 55 push bp
00000638 C6461105 mov byte [bp+0x11],0x5
0000063C C6461000 mov byte [bp+0x10],0x0
00000640 B441 mov ah,0x41
00000642 BBAA55 mov bx,0x55aa
00000645 CD13 int 0x13
00000647 5D pop bp
00000648 720F jc 0x659
0000064A 81FB55AA cmp bx,0xaa55
0000064E 7509 jnz 0x659
00000650 F7C10100 test cx,0x1
00000654 7403 jz 0x659
00000656 FE4610 inc byte [bp+0x10]
00000659 6660 pushad
0000065B 807E1000 cmp byte [bp+0x10],0x0
0000065F 7426 jz 0x687
00000661 666800000000 push dword 0x0
00000667 66FF7608 push dword [bp+0x8]
0000066B 680000 push word 0x0
0000066E 68007C push word 0x7c00
00000671 680100 push word 0x1
00000674 681000 push word 0x10
00000677 B442 mov ah,0x42
00000679 8A5600 mov dl,[bp+0x0]
0000067C 8BF4 mov si,sp
0000067E CD13 int 0x13
00000680 9F lahf
00000681 83C410 add sp,byte +0x10
00000684 9E sahf
00000685 EB14 jmp short 0x69b
00000687 B80102 mov ax,0x201
0000068A BB007C mov bx,0x7c00
0000068D 8A5600 mov dl,[bp+0x0]
00000690 8A7601 mov dh,[bp+0x1]
00000693 8A4E02 mov cl,[bp+0x2]
00000696 8A6E03 mov ch,[bp+0x3]
00000699 CD13 int 0x13
0000069B 6661 popad
0000069D 731C jnc 0x6bb
0000069F FE4E11 dec byte [bp+0x11]
000006A2 750C jnz 0x6b0
000006A4 807E0080 cmp byte [bp+0x0],0x80
000006A8 0F848A00 jz word 0x736
000006AC B280 mov dl,0x80
000006AE EB84 jmp short 0x634
000006B0 55 push bp
000006B1 32E4 xor ah,ah
000006B3 8A5600 mov dl,[bp+0x0]
000006B6 CD13 int 0x13
000006B8 5D pop bp
000006B9 EB9E jmp short 0x659
000006BB 813EFE7D55AA cmp word [0x7dfe],0xaa55
000006C1 756E jnz 0x731
000006C3 FF7600 push word [bp+0x0]
000006C6 E88D00 call word 0x756
000006C9 7517 jnz 0x6e2
000006CB FA cli
000006CC B0D1 mov al,0xd1
000006CE E664 out 0x64,al
000006D0 E88300 call word 0x756
000006D3 B0DF mov al,0xdf
000006D5 E660 out 0x60,al
000006D7 E87C00 call word 0x756
000006DA B0FF mov al,0xff
000006DC E664 out 0x64,al
000006DE E87500 call word 0x756
000006E1 FB sti
000006E2 B800BB mov ax,0xbb00
000006E5 CD1A int 0x1a
000006E7 6623C0 and eax,eax
000006EA 753B jnz 0x727
000006EC 6681FB54435041 cmp ebx,0x41504354
000006F3 7532 jnz 0x727
000006F5 81F90201 cmp cx,0x102
000006F9 722C jc 0x727
000006FB 666807BB0000 push dword 0xbb07
00000701 666800020000 push dword 0x200
00000707 666808000000 push dword 0x8
0000070D 6653 push ebx
0000070F 6653 push ebx
00000711 6655 push ebp
00000713 666800000000 push dword 0x0
00000719 6668007C0000 push dword 0x7c00
0000071F 6661 popad
00000721 680000 push word 0x0
00000724 07 pop es
00000725 CD1A int 0x1a
00000727 5A pop dx
00000728 32F6 xor dh,dh
0000072A EA007C0000 jmp word 0x0:0x7c00
0000072F CD18 int 0x18
00000731 A0B707 mov al,[0x7b7]
00000734 EB08 jmp short 0x73e
00000736 A0B607 mov al,[0x7b6]
00000739 EB03 jmp short 0x73e
0000073B A0B507 mov al,[0x7b5]
0000073E 32E4 xor ah,ah
00000740 050007 add ax,0x700
00000743 8BF0 mov si,ax
00000745 AC lodsb
00000746 3C00 cmp al,0x0
00000748 7409 jz 0x753
0000074A BB0700 mov bx,0x7
0000074D B40E mov ah,0xe
0000074F CD10 int 0x10
00000751 EBF2 jmp short 0x745
00000753 F4 hlt
00000754 EBFD jmp short 0x753
00000756 2BC9 sub cx,cx
00000758 E464 in al,0x64
0000075A EB00 jmp short 0x75c
0000075C 2402 and al,0x2
0000075E E0F8 loopne 0x758
00000760 2402 and al,0x2
00000762 C3 ret
00000763 49 dec cx
00000764 6E outsb
00000765 7661 jna 0x7c8
00000767 6C insb
00000768 6964207061 imul sp,[si+0x20],word 0x6170
0000076D 7274 jc 0x7e3
0000076F 6974696F6E imul si,[si+0x69],word 0x6e6f
00000774 207461 and [si+0x61],dh
00000777 626C65 bound bp,[si+0x65]
0000077A 004572 add [di+0x72],al
0000077D 726F jc 0x7ee
0000077F 7220 jc 0x7a1
00000781 6C insb
00000782 6F outsw
00000783 61 popaw
00000784 64696E67206F imul bp,[fs:bp+0x67],word 0x6f20
0000078A 7065 jo 0x7f1
0000078C 7261 jc 0x7ef
0000078E 7469 jz 0x7f9
00000790 6E outsb
00000791 67207379 and [ebx+0x79],dh
00000795 7374 jnc 0x80b
00000797 656D gs insw
00000799 004D69 add [di+0x69],cl
0000079C 7373 jnc 0x811
0000079E 696E67206F imul bp,[bp+0x67],word 0x6f20
000007A3 7065 jo 0x80a
000007A5 7261 jc 0x808
000007A7 7469 jz 0x812
000007A9 6E outsb
000007AA 67207379 and [ebx+0x79],dh
000007AE 7374 jnc 0x824
000007B0 656D gs insw
000007B2 0000 add [bx+si],al
000007B4 00637B add [bp+di+0x7b],ah
000007B7 9A1F45E0A7 call word 0xa7e0:0x451f
000007BC 670000 add [eax],al
000007BF 0000 add [bx+si],al
000007C1 0000 add [bx+si],al
000007C3 0000 add [bx+si],al
000007C5 0000 add [bx+si],al
000007C7 0000 add [bx+si],al
000007C9 0000 add [bx+si],al
000007CB 0000 add [bx+si],al
000007CD 0000 add [bx+si],al
000007CF 0000 add [bx+si],al
000007D1 0000 add [bx+si],al
000007D3 0000 add [bx+si],al
000007D5 0000 add [bx+si],al
000007D7 0000 add [bx+si],al
000007D9 0000 add [bx+si],al
000007DB 0000 add [bx+si],al
000007DD 0000 add [bx+si],al
000007DF 0000 add [bx+si],al
000007E1 0000 add [bx+si],al
000007E3 0000 add [bx+si],al
000007E5 0000 add [bx+si],al
000007E7 0000 add [bx+si],al
000007E9 0000 add [bx+si],al
000007EB 0000 add [bx+si],al
000007ED 0000 add [bx+si],al
000007EF 0000 add [bx+si],al
000007F1 0000 add [bx+si],al
000007F3 0000 add [bx+si],al
000007F5 0000 add [bx+si],al
000007F7 0000 add [bx+si],al
000007F9 0000 add [bx+si],al
000007FB 0000 add [bx+si],al
000007FD 0055AA add [di-0x56],dl
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