深思III软件狗数据区读取程序 -pc6资讯

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深思III软件狗数据区读取程序 时间：2004/10/15 0:52:00来源：本站整理作者：蓝点我要评论(0): 　

深思III软件狗数据区读取程序
;编译步骤如下:
; Turbo Assembler:
; tasm demov6.asm
; tlink demov6.obj sense3.obj
;pass0,pass1,pass2为用户口令
;read_FunctionCode为软件狗入口，即从哪一行代码开始执行。
;本程序针对狗内代码如下
;ReadMemory:
;   mov   ax1,[bx0]
;   ret 4
;其它方式可据具体情况处理。

include sense3.inc

Pass0           equ   ????
Pass1           equ   ????
Pass2           equ   ???? ;user password
read_FunctionCode   equ   ? ;FunctionCode(0-47)
MainData segment public word 'DATA'

ssd dw SenseDataLength dup(0)   ;sense3 data buffer

head_prompt db 0dh,0ah,'Sense3 doggie date ares readtiils Demo Program by yaoyuan[CCG]',0dh,0ah,0

Init_error   db 0dh,0ah,'Initialize sense3 doggie error !',0dh,0ah,0
Init_succ   db 0dh,0ah,'Initialize sense3 doggie success !',0dh,0ah,0

read_error   db 0dh,0ah,'Read Sense3 doggie date ares error !',0dh,0ah,0
read_succ   db 0dh,0ah,'Read Sense3 doggie date ares success !',0dh,0ah,0

cre_error   db 0dh,0ah,'Create file snesedog.dat error !',0dh,0ah,0
cre_succ   db 0dh,0ah,'Create file snesedog.dat success !',0dh,0ah,0

file_name   db 'SENSEDOG.dat',0
file_buff   db 128 dup(0)
handle       dw 0

MainData ends

MainCode segment public word 'CODE'
      assume cs:MainCode
      assume ds:MainData

main proc far
      push ds
      xor ax,ax
      push ax ;return address
      mov ax,MainData
      mov ds,ax
      mov es,ax ;set ds,es
      lea si,head_prompt
      call dis_string ;display header

initdog:
      mov ssd[Password],pass0
      mov ssd[Password+2],pass1
      mov ssd[Password+4],pass2
      mov word ptr ssd[FunctionCode],-1
      push ds           ;call far _SENSE3
      mov ax,offset ssd
      push ax
      call far ptr _SENSE3
      pop ax
      pop ax

      mov   ax,ssd[ReturnFlag]   ;return flag
      test   ax,ax
      jz   open_success
      lea   si,Init_error       ;error
      call   dis_string
      jmp exit
open_success:
      lea   si,Init_succ       ;success
      call   dis_string
      jmp   read_dog
read_dog:
      mov   cx,0h
mov di,offset file_buff
start_read:
      mov   ssd[OutWords],4
      mov   ssd[OutBuff+6],0h   ;out ax0
      mov   ssd[OutBuff+4],0h   ;out ax1
mov ssd[OutBuff+2],cx ;out bx0
      mov   ssd[OutBuff],0       ;out bx1
      mov word ptr ssd[FunctionCode],read_FunctionCode
      push ds           ;call far _SENSE3
      mov ax,offset ssd
      push ax
      call far ptr _SENSE3
      pop ax
      pop ax

      mov   ax,ssd[ReturnFlag]   ;return flag
      test   ax,80h
      jz   read_success

      lea   si,read_error       ;error
      call   dis_string
      jmp exit
read_success:
      mov   ax,ssd[InBuff+4]
stosw
      cmp   cx,3fh
      ja   create_file
      inc   cx
      jmp start_read

create_file:
      lea   si,read_succ       ;read succse
      call   dis_string
      mov   ah,3ch       ;create file "sensedog.dat"
      xor   cx,cx
      mov   dx,offset file_name
      int   21h
      jnb   cre_ok
      lea   si,cre_error       ;create file error
      call   dis_string
      int   20h
cre_ok:
      mov   handle,ax
      mov   ah,40h       ;write file
      mov   bx,handle
      mov   cx,128
      mov   dx,offset file_buff
      int   21h

      mov   bx,handle
      mov   ah,3eh       ;close file
      int   21h
      lea   si,cre_succ       ;create file succse
      call   dis_string
      jmp   exit
main endp
;---------------------------------------------------------
; subroutine:   dis_string
; description:   display a ascii_zero_end string
; input:   ds:si (point to string)
; output:   none
;---------------------------------------------------------
dis_string proc near
      push ax
      push bx
      xor bx,bx
      mov ah,0eh
      cld
dis_str0: lodsb
      test al,al
      jz dis_str1
      int 10h
      jmp dis_str0
dis_str1: pop bx
      pop ax
      ret
dis_string endp
exit:
      mov   ah,4ch
      int   21h
MainCode ends
      end main

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