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Overload
Master Cheater
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Joined: 08 Feb 2008
Posts: 293
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 Posted: Sun Apr 13, 2008 8:23 pm Post subject: My crackme [FIRST EVER!!] |
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Its my very first crackme, and my very first time coding in C. So don't flame 
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Blog
| Quote: | Rhys says:
you can be my maid
Rhys says:
ill buy you a french maid outfit
Tyler says:
Sounds good
Rhys says:
ill hold you to that |
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oib111
I post too much
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Joined: 02 Apr 2007
Posts: 2947
Location: you wanna know why?
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| Posted: Sun Apr 13, 2008 9:05 pm Post subject: |
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rofl. It doesn't even open. Did you even test this? Go back and fix it, then repost.
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| 8D wrote: |
cigs dont make people high, which weed does, which causes them to do bad stuff. like killing |
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lurc
Grandmaster Cheater Supreme
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Joined: 13 Nov 2006
Posts: 1900
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| Posted: Sun Apr 13, 2008 9:09 pm Post subject: |
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Opens fine for me.
Password: 12345678987654321
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Overload
Master Cheater
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Joined: 08 Feb 2008
Posts: 293
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| Posted: Sun Apr 13, 2008 9:31 pm Post subject: |
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| lurc wrote: | Opens fine for me.
Password: 12345678987654321 |
lawlz, j00 win. I didn't even bother trying to crack it. And its my first. So now, i'll try to make it a little harder...
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Blog
| Quote: | Rhys says:
you can be my maid
Rhys says:
ill buy you a french maid outfit
Tyler says:
Sounds good
Rhys says:
ill hold you to that |
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Labyrnth
Moderator
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Joined: 28 Nov 2006
Posts: 6301
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| Posted: Mon Apr 14, 2008 11:05 am Post subject: |
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Hex Editor:
Password Start Address:
JooWin msg:
In Olly: Break
Registers:
Dump:
And the outer and inner loop that checks the serial:
| Code: |
1026F7D0 >/$ 8B5424 04 MOV EDX,DWORD PTR SS:[ESP+4]
1026F7D4 |. 8B4C24 08 MOV ECX,DWORD PTR SS:[ESP+8]
1026F7D8 |. F7C2 03000000 TEST EDX,3
1026F7DE |. 75 3C JNZ SHORT MSVCR90D.1026F81C
1026F7E0 |> 8B02 /MOV EAX,DWORD PTR DS:[EDX]
1026F7E2 |. 3A01 |CMP AL,BYTE PTR DS:[ECX]
1026F7E4 |. 75 2E |JNZ SHORT MSVCR90D.1026F814
1026F7E6 |. 0AC0 |OR AL,AL
1026F7E8 |. 74 26 |JE SHORT MSVCR90D.1026F810
1026F7EA |. 3A61 01 |CMP AH,BYTE PTR DS:[ECX+1]
1026F7ED |. 75 25 |JNZ SHORT MSVCR90D.1026F814
1026F7EF |. 0AE4 |OR AH,AH
1026F7F1 |. 74 1D |JE SHORT MSVCR90D.1026F810
1026F7F3 |. C1E8 10 |SHR EAX,10
1026F7F6 |. 3A41 02 |CMP AL,BYTE PTR DS:[ECX+2]
1026F7F9 |. 75 19 |JNZ SHORT MSVCR90D.1026F814
1026F7FB |. 0AC0 |OR AL,AL
1026F7FD |. 74 11 |JE SHORT MSVCR90D.1026F810
1026F7FF |. 3A61 03 |CMP AH,BYTE PTR DS:[ECX+3]
1026F802 |. 75 10 |JNZ SHORT MSVCR90D.1026F814
1026F804 |. 83C1 04 |ADD ECX,4
1026F807 |. 83C2 04 |ADD EDX,4
1026F80A |. 0AE4 |OR AH,AH
1026F80C |.^ 75 D2 \JNZ SHORT MSVCR90D.1026F7E0
1026F80E |. 8BFF MOV EDI,EDI
1026F810 |> 33C0 XOR EAX,EAX
1026F812 |. C3 RET
1026F813 | 90 NOP
1026F814 |> 1BC0 SBB EAX,EAX
1026F816 |. D1E0 SHL EAX,1
1026F818 |. 83C0 01 ADD EAX,1
1026F81B |. C3 RET
1026F81C |> F7C2 01000000 TEST EDX,1
1026F822 |. 74 18 JE SHORT MSVCR90D.1026F83C
1026F824 |. 8A02 MOV AL,BYTE PTR DS:[EDX]
1026F826 |. 83C2 01 ADD EDX,1
1026F829 |. 3A01 CMP AL,BYTE PTR DS:[ECX]
1026F82B |.^ 75 E7 JNZ SHORT MSVCR90D.1026F814
1026F82D |. 83C1 01 ADD ECX,1
1026F830 |. 0AC0 OR AL,AL
1026F832 |.^ 74 DC JE SHORT MSVCR90D.1026F810
1026F834 |. F7C2 02000000 TEST EDX,2
1026F83A |.^ 74 A4 JE SHORT MSVCR90D.1026F7E0
1026F83C |> 66:8B02 MOV AX,WORD PTR DS:[EDX]
1026F83F |. 83C2 02 ADD EDX,2
1026F842 |. 3A01 CMP AL,BYTE PTR DS:[ECX]
1026F844 |.^ 75 CE JNZ SHORT MSVCR90D.1026F814
1026F846 |. 0AC0 OR AL,AL
1026F848 |.^ 74 C6 JE SHORT MSVCR90D.1026F810
1026F84A |. 3A61 01 CMP AH,BYTE PTR DS:[ECX+1]
1026F84D |.^ 75 C5 JNZ SHORT MSVCR90D.1026F814
1026F84F |. 0AE4 OR AH,AH
1026F851 |.^ 74 BD JE SHORT MSVCR90D.1026F810
1026F853 |. 83C1 02 ADD ECX,2
1026F856 \.^ EB 88 JMP SHORT MSVCR90D.1026F7E0
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This one was nice and easy but very fun too work with.
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Overload
Master Cheater
Reputation: 0
Joined: 08 Feb 2008
Posts: 293
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| Posted: Mon Apr 14, 2008 6:37 pm Post subject: |
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| Labyrnth wrote: |
This one was nice and easy but very fun too work with. |
well the next one i have in store, should be a little more fun to work with. I don't really know if it will be harder, but i know it will be more fun =)
_________________
Blog
| Quote: | Rhys says:
you can be my maid
Rhys says:
ill buy you a french maid outfit
Tyler says:
Sounds good
Rhys says:
ill hold you to that |
Last edited by Overload on Mon Apr 14, 2008 7:20 pm; edited 1 time in total |
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Labyrnth
Moderator
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Joined: 28 Nov 2006
Posts: 6301
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| Posted: Mon Apr 14, 2008 6:51 pm Post subject: |
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Hey mate remove the quote from your post.
You really didnt need to quote that big as post lol.
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Overload
Master Cheater
Reputation: 0
Joined: 08 Feb 2008
Posts: 293
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| Posted: Mon Apr 14, 2008 7:20 pm Post subject: |
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| Labyrnth wrote: | Hey mate remove the quote from your post.
You really didnt need to quote that big as post lol. |
sorry about that 
_________________
Blog
| Quote: | Rhys says:
you can be my maid
Rhys says:
ill buy you a french maid outfit
Tyler says:
Sounds good
Rhys says:
ill hold you to that |
|
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| Back to top |
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