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CrackMe Fever : The First and Only --Pillboi-- CrackMe.

 
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--Pillboi--
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PostPosted: Sun Apr 06, 2008 12:57 pm    Post subject: CrackMe Fever : The First and Only --Pillboi-- CrackMe. Reply with quote

Here you are. This is pretty nooby as I'm a nooby programmer. Wicaan... CRACK ME! Be nice! *squints*

Crackme_fever.exe.zip

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Labyrnth
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PostPosted: Sun Apr 06, 2008 3:27 pm    Post subject: Reply with quote

Spoiler: whoucallinganub?
Trick: 1337


Check for whoucallinganub?:
004013E7 E8 44060000 CALL <JMP.&msvcrt.strcmp>
004013EC 85C0 TEST EAX,EAX
004013EE 0F85 9E000000 JNZ CrackMe_.00401492

Check for 1337 trick:
00401324 E8 07070000 CALL <JMP.&msvcrt.strcmp>
00401329 85C0 TEST EAX,EAX
0040132B 0F85 A9000000 JNZ CrackMe_.004013DA


I actually liked this one.
You didin't do so bad in my opinion.

What you see in hex editor is: *Didnt look at this till after i did it already. edited my post to add this.
Code:
wh0ucallinganoob.Enter your guess : .%s.1337....%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c..
%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c.%c%c%c%c%c%c%c%c...
-LIBGCCW32-EH-2-SJLJ-GTHR-MINGW32...w32_sharedptr->size == sizeof(W32_EH_SHARED).%s:%u: failed assertion `%s'...../../gcc/gcc/config/i386/w32-shared-ptr.c..GetAtomNameA (atom, s, sizeof

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Last edited by Labyrnth on Sun Apr 06, 2008 3:35 pm; edited 2 times in total
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atom0s
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PostPosted: Sun Apr 06, 2008 3:29 pm    Post subject: Reply with quote

Pass: whoucallinganub?
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--Pillboi--
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Joined: 06 Mar 2007
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Location: I don't understand the question. Is this a 1 to 10 thing?

PostPosted: Sun Apr 06, 2008 11:50 pm    Post subject: Reply with quote

Labyrnth wrote:
Spoiler: whoucallinganub?
Trick: 1337

I actually liked this one.
You didin't do so bad in my opinion.

What you see in hex editor is:
Code:
wh0ucallinganoob.Enter your guess : .%s.1337....%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c..
%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c.%c%c%c%c%c%c%c%c

Well done! You win! =)
Thanks, well, obviously you know what i did, with changing the string... and the trick.
All the %c's are for the message. Is their any way to hide this better?
How did you find the string changes, and is their any better way to hide them... apart from just changing the same character more than once?
Any other tips? And would you like to see the source? Of course you would. -Looks at siggy- "I thought outside the box" Razz
Code:
#include <stdio.h>
#include <conio.h>
#include <string.h>

int main()
{
    char obvious[3];
    char checkmeout[] = "wh0ucallinganoob";
    checkmeout[2] = 'o';
    checkmeout[13] = 'u';
    checkmeout[14] = 'b';
    checkmeout[15] = '?';
    printf("Enter your guess : ");
    scanf("%s", obvious);
    if (strcmp(obvious,"1337") == 0)    printf("%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c",72,65,72,65,44,0,116,114,105,99,107,101,100,0,121,111,117,0,257);
    else if (strcmp(obvious,checkmeout) == 0)
printf("%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c",87,111,119,44,0,121,111,117,0,100,105,100,0,105,116,33,0,257);
    else
    printf("%c%c%c%c%c%c%c%c",68,73,69,0,78,79,79,66);
    _getch( );
    return 0;
}


Edit: Well done Wicaan. Bit slow though Wink Joking. I know you weren't on.
Oh, and, any tips on my coding?

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atom0s
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PostPosted: Mon Apr 07, 2008 12:53 am    Post subject: Reply with quote

Whoa.. wtf lol? When I replied to this thread earlier it never showed Labs post.. only showed mine being the only reply >.>
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Zand
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PostPosted: Mon Apr 07, 2008 10:10 am    Post subject: Reply with quote

Wiccaan wrote:
Whoa.. wtf lol? When I replied to this thread earlier it never showed Labs post.. only showed mine being the only reply >.>


Boo Razz

Lab is rearranging posts now?

hehe.

Cracked it even though I already saw the source...
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Labyrnth
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PostPosted: Mon Apr 07, 2008 8:30 pm    Post subject: Reply with quote

Im not a mod here lmfao, But yeah look at the times posted Smile.
If i was like 2 minutes slower Wicc would have got me lol.

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--Pillboi--
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PostPosted: Tue Apr 08, 2008 1:39 pm    Post subject: Reply with quote

Lab, I think he was saying you hacked CEF to put your post first... Confused
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Enter darkness, leave the light, Here be nightmare, here be fright...
Earth and Water, Fire and Air. Prepare to meet a creature rare.
Enter now if you dare, Enter now the dragon's lair.
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Labyrnth
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PostPosted: Tue Apr 08, 2008 3:09 pm    Post subject: Reply with quote

nah, hacking websites is a waste of time i think.
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