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  Topic: Where is everybody?
detten

Replies: 7
Views: 62271

PostForum: BiW Member Chat   Posted: Sat Jun 22, 2013 7:09 pm   Subject: Where is everybody?
hi seven!

ltns Cool
  Topic: Detten's Crackme 13
detten

Replies: 3
Views: 32765

PostForum: Code Reversing   Posted: Fri Mar 08, 2013 10:16 am   Subject: Detten's Crackme 13
Great work highenergy,
I hope you had some fun with this crackme Smile

I will see if I can dig up the original tutorial (maybe the source code) and submit it on the site. I already promised bor0 I wo ...
  Topic: Detten's Crackme 13
detten

Replies: 3
Views: 32765

PostForum: Code Reversing   Posted: Wed Jul 18, 2012 12:52 pm   Subject: Detten's Crackme 13
Almost everything you deducted so far is correct, but there is no error in the algorithm afaik.
00220205 ^ 75 F2 JNZ SHORT 002201F9 ; this is looks like conditional jump but actually ...
  Topic: Where is everybody?
detten

Replies: 7
Views: 62271

PostForum: BiW Member Chat   Posted: Mon Jun 28, 2010 12:43 pm   Subject: Where is everybody?
Hello highenergy,

I'm still around Cool

Unfortunatly I don't get around to create new material for the site, or even maintain it properly...

I keep the site up because it has some great mater ...
  Topic: Coding an UPX Unpacker
detten

Replies: 1
Views: 20886

PostForum: Coding Corner   Posted: Fri Aug 08, 2008 1:02 pm   Subject: Coding an UPX Unpacker
Isn't the UPX source code available on the web? You could have a look at how the "upx -d" option works.

http://upx.sourceforge.net/download/upx-3.03-src.tar.bz2 (C++)

Otherwise take a look at th ...
  Topic: Code beyond the JMP TABLE
detten

Replies: 5
Views: 12395

PostForum: Coding Corner   Posted: Tue Jul 22, 2008 8:58 am   Subject: Code beyond the JMP TABLE
Nice explanation stingduk, I forgot all about your precious tool!


Detten WHERE ARE YOU you Seem to be adept at doing a disaapearing Act


I visit Efnet #biw now and then, but not daily Sad
I c ...
  Topic: Code beyond the JMP TABLE
detten

Replies: 5
Views: 12395

PostForum: Coding Corner   Posted: Thu Jul 17, 2008 10:37 am   Subject: Code beyond the JMP TABLE
Do you really need to have the code behind the jmp table in the same section?
If so, this is something I never tried. Still a couple of possible pointers :

All entries in the import redirect table ...
  Topic: Code beyond the JMP TABLE
detten

Replies: 5
Views: 12395

PostForum: Coding Corner   Posted: Mon Jul 14, 2008 5:46 pm   Subject: Code beyond the JMP TABLE
Do you mean while linking, or when you fiddle with the PE header manually?
  Topic: Acoustica CD/DVD Label Maker
detten

Replies: 9
Views: 15967

PostForum: Code Reversing   Posted: Tue May 27, 2008 6:51 pm   Subject: Acoustica CD/DVD Label Maker
I think you best start with newbie crackmes, those small programs are much easier to start with, and they have a tutorial written for them in most cases.
  Topic: Dialog..that waits
detten

Replies: 1
Views: 7620

PostForum: Code Reversing   Posted: Mon May 19, 2008 6:08 pm   Subject: Dialog..that waits
There are 2 things to be done :

1) Change the program from console to windows application.
Use a WinMain function instead of the regular main.

2) Call the DialogBox() function to display a dial ...
  Topic: Dettens CrackMes
detten

Replies: 8
Views: 13901

PostForum: Code Reversing   Posted: Thu Mar 27, 2008 7:38 pm   Subject: Dettens CrackMes
If you try my crackme 5 first, it might be somewhat easier to understand. It is written in assembly so its leaner code.
  Topic: Dettens CrackMes
detten

Replies: 8
Views: 13901

PostForum: Code Reversing   Posted: Thu Mar 20, 2008 6:23 pm   Subject: Dettens CrackMes
i tried find some help at location 40B114.
AL is added to

I didn't really notice this part of your post the first time I responded, so here is a little general information concerning your questio ...
  Topic: Dettens CrackMes
detten

Replies: 8
Views: 13901

PostForum: Code Reversing   Posted: Sat Mar 15, 2008 7:00 pm   Subject: Dettens CrackMes
If you search the dump for all places where the flag [40B114] is used, you find the addresses you mentioned, but also an interesting one at address [0040130A] ...

Check it out, try to figure out wh ...
  Topic: Dettens CrackMes
detten

Replies: 8
Views: 13901

PostForum: Code Reversing   Posted: Fri Mar 14, 2008 10:09 am   Subject: Dettens CrackMes
You might want to search where this byte value is set to 1 in your dumped file, and see what calculation code triggers this value to be set to 1.

And a clear hint would be that some 'user input' is ...
  Topic: Dettens CrackMes
detten

Replies: 8
Views: 13901

PostForum: Code Reversing   Posted: Thu Mar 13, 2008 5:53 pm   Subject: Dettens CrackMes
The crackme isn't the regular stuff you would expect, its a bit more original Wink
It is hard to give any hints without giving away the solution.

You already found the good guy message, so you shoul ...
 
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