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Decompiling Plugins (.amx/x -> .sma)


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BAILOPAN
Join Date: Jan 2004
Old 10-15-2005 , 04:41   Decompiling Plugins (.amx/x -> .sma)
Reply With Quote #1

Topic: How do you decode a closed source plugin back to source code?

This is a hot topic for some people, and I've been asked about it many times. After the Sputnik53 incident, I decided to publically reveal how it's done. Currently, I'm writing a multipart-article on the SourceMod devlog.

This is not for the faint of heart, and you should step into this with knowledge of C and processor memory layout. I'll update this post as I complete more pieces of the tutorial.

Part 1 - Introduction to the VM
Part 2 - Basic Disassembly
Part 3 - Decoding Branches
Part 4 - Local procedures, variables, and multi-branches
Part 5 - Optimization
Part 6 - Stocks, floats, ternary operators, and for loops
Part 7 - Multi-part if statements, multi-dimensional arrays
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BAILOPAN
Join Date: Jan 2004
Old 10-16-2005 , 06:31  
Reply With Quote #2

Part 4 added.
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Zenith77
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Join Date: Aug 2005
Old 10-16-2005 , 12:09  
Reply With Quote #3

Nice, very very nice.



p.s. Whats the answer to the bonus question
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Quote:
Originally Posted by phorelyph View Post
your retatred
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BAILOPAN
Join Date: Jan 2004
Old 10-17-2005 , 05:54  
Reply With Quote #4

Part 5 added.

Worth noting here too: Wraith's AMXReader now supports AMX Mod X 1.60 plugins.
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LynX
Veteran Member
Join Date: Oct 2004
Old 10-17-2005 , 07:16  
Reply With Quote #5

w00teh!!!

Baileh finally decided to make mine life happy again ^^
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Wraith,
Junior Member
Join Date: Apr 2004
Location: Behind You
Old 10-17-2005 , 11:29  
Reply With Quote #6

It is also worth noting that the disassembler isn't idiot proof. If you have a problem or request you can find me in #adminmod on gamesurge.
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BAILOPAN
Join Date: Jan 2004
Old 10-28-2005 , 05:15  
Reply With Quote #7

Part 6 added.
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BAILOPAN
Join Date: Jan 2004
Old 10-30-2005 , 06:00  
Reply With Quote #8

Part 7 added.
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ssjGoten
New Member
Join Date: Aug 2006
Old 08-09-2006 , 15:05   Re: Decompiling Plugins (.amx/x -> .sma)
Reply With Quote #9

when i open AmxReader gives me that error "The Application failed initialize properly (0xc0000135). Click on OK to terminate the application" (


Pls help me
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k007
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Join Date: Mar 2006
Location: bacon?
Old 08-09-2006 , 15:20   Re: Decompiling Plugins (.amx/x -> .sma)
Reply With Quote #10

Nice gj BAIL
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