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How to figure out JMP origin in memory view

 
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wlix32
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Joined: 01 Jan 2016
Posts: 12

PostPosted: Tue Dec 12, 2017 5:34 am    Post subject: How to figure out JMP origin in memory view Reply with quote

Consider the follow code at memory view

Code:
03-healthgame.exe+A5DB9 - jmp 03-healthgame.exe+A5DC4
03-healthgame.exe+A5DBB - mov rdx,rax
03-healthgame.exe+A5DBE - mov rax,rcx
03-healthgame.exe+A5DC1 - mov rcx,rdx
03-healthgame.exe+A5DC4 - mov [rsp+40],rax
03-healthgame.exe+A5DC9 - mov [rsp+48],rcx
03-healthgame.exe+A5DCE - mov [rsp+58],rcx
03-healthgame.exe+A5DD3 - mov [rsp+50],rax
...
03-healthgame.exe+A5F00 - jmp 03-healthgame.exe+A5DBB


This code basically do a "for" from 03-healthgame.exe+A5F00 to 03-healthgame.exe+A5DBB repeatedly. When I cliked in "show disassembler" cheat engine took me at "03-healthgame.exe+A5DCE". My question is:

Knowing that the instruction start from

Code:
03-healthgame.exe+A5DBB - mov rdx,rax


How using cheat engine tools can I dicsover that this instruction is being jumped from:

Code:
03-healthgame.exe+A5F00 - jmp 03-healthgame.exe+A5DBB


Because in some codes I will need to scroll out (and interpret) a lot of code to figure out that this jump comes from "03-healthgame.exe+A5F00". Is there any tool in cheat engine that helps to find the jump origin?
Code:
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Dark Byte
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PostPosted: Tue Dec 12, 2017 6:57 am    Post subject: Reply with quote

dissect code will show the jump origins before each line
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wlix32
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Joined: 01 Jan 2016
Posts: 12

PostPosted: Tue Dec 12, 2017 11:49 am    Post subject: Reply with quote

Thank you a lot.
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