rbs-fwkg.asm

破解很多程序的序列号算法程序

.model small
.386
.data
  welcome db "FTP Wolf V2.x (100% Working) *Keymaker*",10,13,"  Written by ^pain^ '98 / Rebels!",10,13,"Name:$"
  PBytes  db 0EAh,0d0h,0bbh,93h
  UserName    db 10h,00h,00h,00h,00h,00h,00h,00h,00h,00h,00h,00h,00h,00h,00h,00h,00h,00h
  Key     db 10,13,"Key :FW01-$"
  goodbye db 10,13,10,13,"                     Enjoy!$"
  Gen     db 00,00,00,00
.Stack 100h
.code

Start:

  mov ax,@data
  mov ds,ax
  mov ah,09
  mov dx,offset Welcome
  int 21h
  mov ah,0ah
  mov dx,offset UserName
  int 21h
  mov dx,offset UserName
  mov di,dx
  add di,2
  mov bx,4 
  xor ecx,ecx
  mov si,offset Gen
  mov eax,57fd46H
aa:
   mov al,byte ptr [di]
   mov dl,59h
   imul dl
   mov dl,48h
   imul dl
   mov dl,32h
   imul dl
   mov dl,33h
   imul dl
   mov [si],al
   inc di
   inc si
   dec bx
   jnz aa
  
;  mov di,offset PBytes
  ;mov ecx,93bbd0eah ; dword ptr [di]
  mov si, offset UserName
  mov bl,byte ptr [si+1]
  add si,02h
GenerateCode:
   mov di,offset Gen
   lea cx,[di+5]
   mov al,[si]
   add al,02h
   xxx:
       xor [di],al
       inc di
       cmp di,cx
       jnz xxx

   inc si
   dec bl
 jnz GenerateCode

; mov di,offset PBytes 
; mov ecx,dword ptr [di]
 mov di, offset Gen
 mov eax,dword ptr [di]
 test eax,eax
 jge aaaa
 neg eax
aaaa:
 cmp eax,270fh
 jge xx2
xx1:
 lea eax,[ecx+ecx*4]
 shl eax,01h
 cmp eax,270fh
 jl xx1
xx2:
 cmp eax,0f423fh
 jle GOOD
xx3:
  cdq
  mov edi,0ah
  idiv edi
  cmp eax,0f423fh
 jg xx3
GOOD:
 mov ecx,eax
 mov ah,09h
 mov dx,offset key
 int 21h
 mov eax,ecx
 mov bl,00h
Hex2Str:
 CDQ
 inc bl
 mov edi,0ah
 idiv edi
 add dl,30h
 push dx
 test eax,eax
jnz hex2str
mov ah,06h
hex2st:
  pop dx
  int 21h
  dec bl
  jnz hex2st
 mov ah,4ch
 int 21h
end start