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Tutorial Cracking :

iOutgo v6.22


Target  : iOutgo v6.22
Tool     : OllyDebug Defixed
              Exe Info PE

The first step to saving money is to keep track of your spending.
- Keep track of your expenses.
> - Keep track of your income.
- See where your hard-earned cash is going.
- Simple but useful.

Buka programnya.
Langsung muncul nag screen.
14 hari masa trial.

Untuk memastikan proteksi softwarenya, langsung cek dengan Exe Info PE.
"Borland Delphi ( 2.0 - 7.0 ) 1992 - www.borland.com"

Buka file iOutgo.exe dengan OllyDebug.
Langsung cari referenced string "trial"

Ketemunya

004F8ECB PUSH 004F91C8 ASCII "Your trial period has expired!",CR,LF,CR,LF,"- To buy a license, click the Yes button.",CR,LF,"- To exit the program, click the No button.",CR,LF,CR,LF,"Thank you very much."

Klik dua kali

004F8E36 E8 259DF0FF CALL 00402B60
004F8E3B 85C0 TEST EAX,EAX
004F8E3D 75 1C JNZ SHORT 004F8E5B
004F8E3F E8 DCFEFFFF CALL 004F8D20 ; ini nag screennya
004F8E44 83F8 03 CMP EAX,3
004F8E47 75 12 JNZ SHORT 004F8E5B
004F8E49 8B06 MOV EAX,DWORD PTR DS:[ESI]
004F8E4B C640 5B 00 MOV BYTE PTR DS:[EAX+5B],0
004F8E4F 8B06 MOV EAX,DWORD PTR DS:[ESI]
004F8E51 E8 6A38F9FF CALL 0048C6C0
004F8E56 E9 14030000 JMP 004F916F
004F8E5B 8D8B 04050000 LEA ECX,DWORD PTR DS:[EBX+504]
.
.
.
004F8EBA E8 F993FAFF CALL 004A22B8
004F8EBF 83F8 0E CMP EAX,0E
004F8EC2 7C 4B JL SHORT 004F8F0F
004F8EC4 6A 24 PUSH 24
004F8EC6 68 C0914F00 PUSH 004F91C0 ; ASCII "iOutgo"
004F8ECB 68 C8914F00 PUSH 004F91C8 ; ASCII "Your trial period has expired!",CR,LF,CR,LF,"- To buy a license, click the Yes button.",CR,LF,"- To exit the program, click the No button.",CR,LF,CR,LF,"Thank you very much."

Dialamat "004F8E3D" kode "JNZ" diganti dengan "JMP".
Dialamat "00478DD0" kode "JL" diganti dengan "JMP".

Simpan semua perubahan diatas.



Jangan lupa kasih komentarnya....ya!




25/09/09
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