jpegwiz.asm

破解很多程序的序列号算法程序

;The JPEG Wizard v1.2.1.
;Key Generator by CrackZ.
;31/08/99, tasm jpgwiz, tlink /3 /t jpgwiz

codesg segment
  assume cs:codesg
  assume ds:codesg
  org 100h

.386
start: JMP begin

ebp08 db 4 dup(0)
ebp0c db 4 dup(0)
ebp10 db 4 dup(0)
ebp14 db 2 dup(0)
getname db 0Dh,0Ah,'Please enter your Name: ','$'
jpegwzt db 01h,00h,00h,00h,07h,00h,00h,00h,31h,00h,00h,00h,57h,01h,00h,00h
	db 61h,09h,00h,00h,0A7h,41h,00h,00h,91h,0CBh,01h,00h,0F7h,90h,0Ch,00h
	db 08h,8Dh,40h,00h,08h,8Dh,40h,00h,0
logo db '-------------------------',0Dh,0Ah
     db ' The JPEG Wizard v1.2.1  ',0Dh,0Ah
     db ' Key Generator by CrackZ ',0Dh,0Ah
     db '-------------------------',0Dh,0Ah,'$'
outreg db 0Dh,0Ah,'Your Registration Number is: ','$'
outregbuff db 11 dup('$')
savename db 4 dup(0) 
suffix db 'PegasusJWIZBC111',0
tablehook db 4 dup(0)
tablestart db 4 dup(0)
username db 48 dup('$') ;30 max. plus some extra for the suffix.

begin: MOV AX,02h
       INT 10h
       MOV DX, offset logo
       MOV AH,09h
       INT 21h
       MOV DX, offset getname
       MOV AH,09h
       INT 21h
       MOV DX, offset username
       MOV AH,0Ah
       INT 21h
       XOR EAX,EAX
       MOV AL, BYTE PTR username+1 ;Length.
       CMP AL,1Eh
       JG endprg
       MOV WORD PTR [ebp14],10h ;Suffix length.
       ADD WORD PTR [ebp14], AX
       MOV DX, offset username+2 ;Username.
       AND EDX,0FFFFh
       MOV DWORD PTR [savename],EDX
       MOV EDI,EDX
       ADD DI,AX
       MOV SI, offset suffix
       AND ESI,0FFFFh
       MOV ECX,4h
       REPZ MOVSD
       SUB DI,AX
       SUB DI,10h ;Suffix length.
       MOV EAX,EDI
       XOR CX,CX
       INC DWORD PTR [ebp08]

@a: MOV EAX, DWORD PTR [savename]
    MOV EDX, DWORD PTR [ebp08]
    MOVZX EAX, BYTE PTR [EAX+EDX-1]
    MOV ECX,EAX
    NOT ECX
    AND ECX,07Fh
    AND EAX,07Fh
    CMP EAX,20h
    JZ @f
    INC DWORD PTR [ebp0c]
    MOV ESI,8h
    MOV EDX, offset jpegwzt ;filebuff
    MOV DWORD PTR [tablestart],EDX
    ADD EDX, DWORD PTR [tablehook]

@e: TEST AL, 80h
    JZ @b
    MOV EDX, DWORD PTR [tablestart]
    ADD EDX, DWORD PTR [tablehook]
    ADD EBX, DWORD PTR [EDX]
    ADD EBX,ECX
    JMP @c

@b: MOV EDI,EAX
    IMUL EDI,ECX
    IMUL EDI, DWORD PTR [ebp0c]
    ADD EBX,EDI

@c: TEST EBX, 0C0000000h
    JZ @d
    AND EBX, 03FFFFFFFh
    INC DWORD PTR [ebp10]

@d: ADD EAX,EAX
    ADD DWORD PTR [tablehook],4h
    DEC ESI
    JNZ @e

@f: MOV DWORD PTR [tablehook],0h
    INC DWORD PTR [ebp08]
    DEC WORD PTR [ebp14]
    JNZ @a
    MOV EAX,EBX
    XOR EBX,EBX
    MOV ECX,0Ah
    MOV EDI, offset outregbuff
    CALL @out_1

;-----Functions-----

endprg:
    MOV AX, 4C00h
    INT 21h

@out_1:	
    XOR EDX,EDX
    DIV ECX
    ADD EDX,30h
    PUSH EDX
    INC EBX
    TEST EAX,EAX
    JNZ @out_1

@out_2:
    POP EDX
    MOV BYTE PTR [EDI+EAX],DL
    INC EAX
    TEST EBX,EBX   
    DEC EBX
    JNZ @out_2

    MOV EDX, offset outreg
    MOV AH,09h
    INT 21h
    MOV EDX, offset outregbuff
    MOV AH,09h
    INT 21h
    JMP endprg

codesg ends
end start