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KalasDev
Master Cheater

Reputation: 1

Joined: 29 May 2016
Posts: 311

Posted: Mon Oct 17, 2016 11:52 am Post subject: Could it work?

Code:

{ Game : mafia3.exe
Version:
Date : 2016-10-17
Author : Kalas

This script does blah blah blah
}

[ENABLE]

aobscanmodule(aobElectornic,mafia3.exe,11 49 18 C3 90 55) // should be unique
alloc(newmem,$1000,"mafia3.exe"+1141812)

label(code)
label(return)

newmem:

code:
mov ecx,#99
adc [rcx+18],ecx
ret
nop
jmp return

aobElectornic:
jmp newmem
return:
registersymbol(aobElectornic)

[DISABLE]

aobElectornic:
db 11 49 18 C3 90

unregistersymbol(aobElectornic)
dealloc(newmem)

{
// ORIGINAL CODE - INJECTION POINT: "mafia3.exe"+1141812

"mafia3.exe"+11417F4: 48 83 C4 28 - add rsp,28
"mafia3.exe"+11417F8: 48 FF 60 10 - jmp qword ptr [rax+10]
"mafia3.exe"+11417FC: 48 83 C4 28 - add rsp,28
"mafia3.exe"+1141800: C3 - ret
"mafia3.exe"+1141801: 90 - nop
"mafia3.exe"+1141802: FF 15 63 FA 68 03 - call qword ptr [mafia3.exe+47D126B]
"mafia3.exe"+1141808: E9 C2 73 74 45 - jmp 7FF7CE428BCF
"mafia3.exe"+114180D: 10 26 - adc [rsi],ah
"mafia3.exe"+114180F: BF F3 - db BF F3 // SHORTENED TO HIT INJECTION FROM: mov edi,49110FF3
"mafia3.exe"+1141811: 0F 11 49 - db 0F 11 49 // SHORTENED TO HIT INJECTION FROM: movups [rcx+18],xmm1
// ---------- INJECTING HERE ----------
"mafia3.exe"+1141814: 18 C3 - sbb bl,al
"mafia3.exe"+1141816: 90 - nop
// ---------- DONE INJECTING ----------
"mafia3.exe"+1141817: 55 - push rbp
"mafia3.exe"+1141818: 0F 89 4B 88 7C 72 - jns 7FF7FB4AA069
"mafia3.exe"+114181E: BA CB 48 83 EC - mov edx,EC8348CB
"mafia3.exe"+1141823: 28 48 83 - sub [rax-7D],cl
"mafia3.exe"+1141826: B9 90 00 00 00 - mov ecx,00000090
"mafia3.exe"+114182B: 00 74 24 48 - add [rsp+48],dh
"mafia3.exe"+114182F: 8B 89 90 00 00 00 - mov ecx,[rcx+00000090]
"mafia3.exe"+1141835: F3 0F 11 4C 24 30 - movss [rsp+30],xmm1
"mafia3.exe"+114183B: 48 85 C9 - test rcx,rcx
"mafia3.exe"+114183E: 75 07 - jne mafia3.exe+1141847
}

So basically:

adc [rcx+18],ecx

I wanted to store 99 in ecx so iI added: mov ecx,#99.

Can I do this with adc? will it crash the game?

atom0s
Moderator

Reputation: 198

Joined: 25 Jan 2006
Posts: 8517
Location: 127.0.0.1

Posted: Mon Oct 17, 2016 12:18 pm Post subject:

If you want to have ECX equal 99 by force, then add your mov line after the original adc instruction to fully overwrite ECX. _________________ - Retired.

KalasDev
Master Cheater

Reputation: 1

Joined: 29 May 2016
Posts: 311

Posted: Mon Oct 17, 2016 12:23 pm Post subject:

Ohh I see thank you!

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