Monitor or record changes to an application in memory

I have an application (#1, a game cheat) that injects some code into another application (#2, a game).
I did not write either of them and do not have access to source code.

I would like to see if it is possible to see what changes are being made to #2,
 ie take a snapshot of #2 , then run #1 and take another snapshot of #2 and compare the two.

Or maybe I'm completely off on the approach and I welcome any suggestions.

If these are in the wrong area, moderators please move them.
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MereteConnect With a Mentor Commented:
Well again according to the devs
Spectator mode already exists but is currently not made available to the public for many reasons (its buggy, high potential for abuse...). Devs stated awhile ago that a proper spectator mode is planned for the future.
Out of my experience range but
They mentioned Unreal Engine.
Unreal Engine captures the communication from your PC to the server
The unreal script possibly of interest to you
See page 18
The UnrealScript Interpreter

Spectator mode : available only for big names
Probably the simplest that I know of is to look at the main game .dat file
Depends what the cheat targets
Is a quest outcome?
Never die
There is many dat files for the different aspects of the game
What game is it?
May help me get there faster

saying you have no access to the codes doesnt help kind of leaves your question with more ???.
>>I have an application (#1, a game cheat) that injects some code into another application (#2, a game).
Why do you need know this?
If in doubt dont or make a backup of your saves etc.
Messing with game codes and scripts can cause the game to malfunction.
Newer games respawn and have inbuilt codes that shouldnt be messed with.
sgaggerjAuthor Commented:
It's an aimbot for a FPS game Hawken, essentially it creates an overlay on the screen.

I was curious to see if it's possible to see what values in memory are added / changed as the injection takes place after the game .exe is run.  

Looking to see if I can create a detector for it, and curious as to how it does what it does.
I have no idea but in the Hawken forums someone mentions
Advanced Spectate options:
 1. You can easily join the game as a player, and then switch to spectator without leaving the server, but clearing room in the player list for other people to join.

 2. The spectator view has many options, and a dedicated, usable GUI – you can choose premade viewports set around the map, switch to TPP and, more importantly,
FPP to see exactly what a supposed aimbotter sees.

 there is dedicated thread for this Here
sgaggerjAuthor Commented:
Yea but that functionality was either removed or never implemented.  In the year of playing I've never seen it available.

Hence going the programming route which as a programmer / curious mind I'd still like to pursue.
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