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Script question

 
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KalasDev
Master Cheater
Reputation: 1

Joined: 29 May 2016
Posts: 311

PostPosted: Mon Oct 10, 2016 8:16 am    Post subject: Script question Reply with quote

Code:
[ENABLE]

aobscanmodule(aobAmmo,mafia3.exe,44 89 40 18 48 8B 01) // should be unique
alloc(newmem,$100,"mafia3.exe"+2F129CD)

label(code)
label(return)

newmem:

code:
  //mov [rax+18],r8d
  //mov [rax+18],63 // Set's Ammo to 99
  db 90 90 90 // NOP current Ammo
  mov rax,[rcx]
  jmp return

aobAmmo:
  jmp newmem
  nop
  nop
return:
registersymbol(aobAmmo)

[DISABLE]

aobAmmo:
  db 44 89 40 18 48 8B 01

unregistersymbol(aobAmmo)
dealloc(newmem)


I've went with someone Video TUT and I found out that I need to do:

db 90 90 90 to nop my current Ammo, My question is how do I find out the amount of 90 I need to put in the script, do I need to find the what writes to the address, In memory view, replace with code that does nothing and see how much 90 shows up? And if I see for example C3 90 90 90 I need to do:

db C3 90 90 90 for it to work?
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Dark Byte
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Joined: 09 May 2003
Posts: 25818
Location: The netherlands

PostPosted: Mon Oct 10, 2016 8:57 am    Post subject: Reply with quote

that db 90 90 90 line is useless, so don't even look at it

as for the two nop's after jmp newmem, ce will fill those in for you (it's to make up the size of the original instruction(s) minus the size of the jmp instruction

also, this code can be rewritten to:
Code:

[ENABLE]

aobscanmodule(aobAmmo,mafia3.exe,44 89 40 18 48 8B 01) // should be unique

aobAmmo:
  nop
  nop
  nop
  nop

[DISABLE]

aobAmmo:
  db 44 89 40

unregistersymbol(aobAmmo)
dealloc(newmem)

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Last edited by Dark Byte on Mon Oct 10, 2016 9:38 am; edited 1 time in total
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KalasDev
Master Cheater
Reputation: 1

Joined: 29 May 2016
Posts: 311

PostPosted: Mon Oct 10, 2016 9:13 am    Post subject: Reply with quote

Ahh I see thank you.
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