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Wednesday, April 23, 2014
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HellBound Hackers | Challenges | Application Cracking

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Application 13


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Posted on 12-04-07 09:57
Nice challenge, but a bit too easy again. Thanks for writing though system.

Lets have some tough ones Pfft
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RE: Application 13

SySTeM
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Posted on 12-04-07 10:24
Well, it managed to stump the majority of the people who tried it Pfft


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RE: Application 13


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Posted on 12-04-07 11:38
I HATE THAT GOD DAMN FUCKING BEEPING NOISE! ARGH!
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RE: Application 13


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Posted on 12-04-07 11:56
haha, just NOP it out Grin


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RE: Application 13


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Posted on 15-04-07 11:43
Well... I'm kinda lost with thisone as well.

It spits out "Correct the password for HBH is <negative integer>, well done."

But if I insert that integer into the submit form of HBH it says "wrong password". Where do I start my searching for the real password? Should I look through the generation process (I think the PW is generated before I enter the password...)?

GreetZZ 3-R4Z0R
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RE: Application 13

SySTeM
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Posted on 15-04-07 16:00
3-R4Z0R wrote:
Well... I'm kinda lost with thisone as well.

It spits out "Correct the password for HBH is <negative integer>, well done."

But if I insert that integer into the submit form of HBH it says "wrong password". Where do I start my searching for the real password? Should I look through the generation process (I think the PW is generated before I enter the password...)?

GreetZZ 3-R4Z0R


Yep, that'd be a good idea Pfft


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RE: Application 13

What_A_Legend
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Posted on 16-04-07 15:39
I done it, nice and simple just don't over complicate it.


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RE: Application 13

lukem_95
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Posted on 16-04-07 19:08
i keygened it lol, i wrote two seperate programs and generated the right pass, cos im cool.

[EDIT]Ok i now see the problem, the negative int doesn't work on HBH :'([/EDIT]




Edited by lukem_95 on 16-04-07 19:11
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RE: Application 13

jaggedlancer
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Posted on 16-04-07 19:30
I still cant pass this god damn challenge...and i downloaded it on teh day it was out and im still scared of that BEEP Sad


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RE: Application 13

lukem_95
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Posted on 17-04-07 21:45
ok, in ollydbg, find the BEEP function (where it is called from the windows API and right click > Fill with NOPS, this kills it lol.

Anyone any further with the stupid int, i gave up last night Angry


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RE: Application 13


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Posted on 18-04-07 16:18
This program is bugged and so it will never give you the correct password (or anything other than that minus number). However you can see what the password was ment to be by looking at the code.
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RE: Application 13


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Posted on 18-04-07 16:39
signed and unsigned integers. google for that, the app is not bugged, work fine.


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RE: Application 13

lukem_95
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Posted on 18-04-07 16:44
ok, looking through all the calls theres one in particular that catches my eye the creates********() function.

am i on the right lines, for once the MSDN isnt helping too much.




Edited by lukem_95 on 18-04-07 16:44
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RE: Application 13


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Posted on 18-04-07 17:04
Larika wrote:
signed and unsigned integers. google for that, the app is not bugged, work fine.



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RE: Application 13

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Posted on 18-04-07 17:06
yeah i have, thats the long, short, unsigned etc in type, but the only difference is the range they cover, or the positive/negative bit.


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RE: Application 13


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Posted on 18-04-07 20:33
No, the program IS bugged. I tried to send an explination of this to system_meltdown, and just now Larika, but both their inboxes are full. empty your inbox Larika and I'll send you a full explination.
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RE: Application 13


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Posted on 18-04-07 20:41
RAZ3R wrote:
No, the program IS bugged. I tried to send an explination of this to system_meltdown, and just now Larika, but both their inboxes are full. empty your inbox Larika and I'll send you a full explination.


The program is not bugged. There is a way of getting the right password, you just haven't found it yet.


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RE: Application 13

SySTeM
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Posted on 18-04-07 20:50
RAZ3R wrote:
No, the program IS bugged. I tried to send an explination of this to system_meltdown, and just now Larika, but both their inboxes are full. empty your inbox Larika and I'll send you a full explination.


Uhm, my inbox can't be full :-/

I'm an exclusive member, so I get unlimited PMs, also, no the program ISN'T bugged, you just haven't worked it out properly.


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RE: Application 13


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Posted on 18-04-07 20:52
Meh, when you press preview when sending a message the username you're sending to gets deleted. Didn't realise this. I've sent it now.
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RE: Application 13


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Posted on 20-04-07 20:17
This app got me stumped. I entered the exact pass like the program would require without editing anything except a breakpoint and still it gives me that negative int as the correct pass for hbh.

The only time i found a postive int, I was filled with joy, untill I entered it and found out it was incorrect xD

Don't know what could be wrong with my approach as the code stays intact.


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