a way to doing x86 dissasm

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a way to doing x86 dissasm

Postby cualquiercosa327 » 16 Dec 2009, 01:32

Hello to all.My name is Dani and i new on forum.I am new in r.e. (i only did some little pieces of code,and the only i finished was a java applet ,nothing important,i wanna see how a code worked) and lover of 8 bit era (also 16 bit but i prefer 8 bits :p )
I have found this forum ,and the website and wow ,i am very impresionated and gratefull.
i have seem some greats coders/dissamblers.(in special Kroah,but also other as hitchhikr,...excuse me the people whose names i have forgoten)

some time ago i found something i would like share in this forum (the first forum i have seen about r.e. I know some people has done (of course i have send a mail showing this forum)but no any forum)

the text is not mine,i only copy-paste the link:
http://keeper.lubie.org/other_docs/chan ... to_dll.htm

it is about doing windows reverse engine ,first making exe smaller.

and maybe it can be interesting for atari programers :
http://www.atarimagazines.com/index/?issue=v4n12
(i found searching fractales on 8 bit.(i am really impressed since i saw the eidolon on a atary and cpc)

thanks
(excuse my lenguage)
cualquiercosa327
 
Posts: 10
Joined: 14 Dec 2009, 22:46

Re: a way to doing x86 dissasm

Postby kilbaf » 18 Dec 2009, 19:05

Hi,
Looking on the net some months ago I found this forum dedicated to reverse engineering. You may find what you are looking for or some contacts.
I have not surfed a lot on it but bookmark it in order to come back later on.

http://community.reverse-engineering.net/index.php
kilbaf
 
Posts: 2
Joined: 17 May 2009, 18:36

Re: a way to doing x86 dissasm

Postby cualquiercosa327 » 18 Dec 2009, 19:41

hi.thanks for the link.It seems also very interesting.
I have no any proyect on mind,only reading and learning about.
thanks
cualquiercosa327
 
Posts: 10
Joined: 14 Dec 2009, 22:46

Re: a way to doing x86 dissasm

Postby Kroah » 26 Dec 2009, 01:34

cualquiercosa327 wrote:Hello to all.My name is Dani and i new on forum.I am new in r.e. (i only did some little pieces of code,and the only i finished was a java applet ,nothing important,i wanna see how a code worked) and lover of 8 bit era (also 16 bit but i prefer 8 bits :p )

Thank you for the links, interesting readings :).

kilbaf wrote:Hi,
Looking on the net some months ago I found this forum dedicated to reverse engineering. You may find what you are looking for or some contacts.
I have not surfed a lot on it but bookmark it in order to come back later on.

http://community.reverse-engineering.net/index.php

Hello kilbaf,

Your link is a must have forum to disassembler (mainly x86), but lots of things are applicable to 8bits too.

My retro-reverse-engineering method is slightly different because i rarely start working on the raw binary of the game, but from a memory snapshot of the running game (if possible).
This way i can easily map the running game in Steem Engine or Atari800 with the disassembled game in IDA (memory addresses are the same). So i can understand easily what happens in the game.

Then i disassemble the binaries if needed (for map viewer, sprites ripping...). In this case, one should know what packer/crypter/obfuscater/checksums/... are.
On windows, i use Immunity Debugger.
Kroah
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