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Dave_Scream
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Joined: 06 Dec 2009
Posts: 36

Posted: Sun May 05, 2024 5:05 am Post subject: Auto Assemble: Keypress

There is some information about injecting hotkeys in process. But it is still too hard for me. My question is can it be done more simplier by using {ccode} call and injection? Tutorials: Auto Assemble: Keypress https://www.cheatengine.org/keypresstut.php How to use getasynckeystate in a 64 bit platform? https://forum.cheatengine.org/viewtopic.php?t=609403 [C Code]What is better? https://www.cheatengine.org/forum/viewtopic.php?p=5774606 Check/Toggle hotkey script https://forum.cheatengine.org/viewtopic.php?t=609811 List of GetAsyncKeyState keys https://www.unknowncheats.me/forum/c-and-c-/376307-list-getasynckeystate-keys.html

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ParkourPenguin
I post too much

Reputation: 152

Joined: 06 Jul 2014
Posts: 4711

Posted: Sun May 05, 2024 1:46 pm Post subject:

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CE tutorial x64 step 2; hold "V" to win:

Code:

define(address,"Tutorial-x86_64.exe"+2B4BC)
define(bytes,29 83 F8 07 00 00)

[ENABLE]

assert(address,bytes)
alloc(newmem,$1000,"Tutorial-x86_64.exe"+2B4BC)

label(code)
label(return)

newmem:
{$ccode damage=rax rbx=rbx}
short GetAsyncKeyState(int);

short res = GetAsyncKeyState('V');
if (res & 0x8000) {
int *healthp = (int *)(rbx+0x7F8);
*healthp = 1000;
damage=0;
}
{$asm}
code:
sub [rbx+000007F8],eax
jmp return

address:
jmp newmem
nop
return:

[DISABLE]

address:
db bytes
// sub [rbx+000007F8],eax

dealloc(newmem)

{
// ORIGINAL CODE - INJECTION POINT: Tutorial-x86_64.exe+2B4BC

Tutorial-x86_64.exe+2B490: 55 - push rbp
Tutorial-x86_64.exe+2B491: 48 89 E5 - mov rbp,rsp
Tutorial-x86_64.exe+2B494: 48 8D A4 24 D0 FE FF FF - lea rsp,[rsp-00000130]
Tutorial-x86_64.exe+2B49C: 48 89 9D F0 FE FF FF - mov [rbp-00000110],rbx
Tutorial-x86_64.exe+2B4A3: 48 89 CB - mov rbx,rcx
Tutorial-x86_64.exe+2B4A6: 48 C7 45 F8 00 00 00 00 - mov qword ptr [rbp-08],00000000
Tutorial-x86_64.exe+2B4AE: 90 - nop
Tutorial-x86_64.exe+2B4AF: B9 05 00 00 00 - mov ecx,00000005
Tutorial-x86_64.exe+2B4B4: E8 57 47 FE FF - call Tutorial-x86_64.exe+FC10
Tutorial-x86_64.exe+2B4B9: 83 C0 01 - add eax,01
// ---------- INJECTING HERE ----------
Tutorial-x86_64.exe+2B4BC: 29 83 F8 07 00 00 - sub [rbx+000007F8],eax
// ---------- DONE INJECTING ----------
Tutorial-x86_64.exe+2B4C2: 48 8D 4D F8 - lea rcx,[rbp-08]
Tutorial-x86_64.exe+2B4C6: E8 45 DA FD FF - call Tutorial-x86_64.exe+8F10
Tutorial-x86_64.exe+2B4CB: 8B 8B F8 07 00 00 - mov ecx,[rbx+000007F8]
Tutorial-x86_64.exe+2B4D1: 41 B9 FF 00 00 00 - mov r9d,000000FF
Tutorial-x86_64.exe+2B4D7: 4C 8D 85 F8 FE FF FF - lea r8,[rbp-00000108]
Tutorial-x86_64.exe+2B4DE: 48 C7 C2 FF FF FF FF - mov rdx,FFFFFFFFFFFFFFFF
Tutorial-x86_64.exe+2B4E5: 48 63 C9 - movsxd rcx,ecx
Tutorial-x86_64.exe+2B4E8: E8 A3 AB FD FF - call Tutorial-x86_64.exe+6090
Tutorial-x86_64.exe+2B4ED: 45 31 C0 - xor r8d,r8d
Tutorial-x86_64.exe+2B4F0: 48 8D 95 F8 FE FF FF - lea rdx,[rbp-00000108]
}

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I don't know where I'm going, but I'll figure it out when I get there.

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Dave_Scream
Cheater

Reputation: 0

Joined: 06 Dec 2009
Posts: 36

Posted: Sun May 05, 2024 3:13 pm Post subject:

Reply with quote

ParkourPenguin wrote:

Thank you it working! Also I add push and pop registers. Because somewhere here on forum guys said that GetAsyncStateKey function may mess some registers.

Code:

push rax
push rbx
push rcx
push rdx
push rsi
push rdi
push rbp
push r8
push r9
push r10
push r11
push r12
push r13
push r14
push r15
pushfq
{$ccode}
extern float runspeed_mult;
short GetAsyncKeyState(int);
short res = GetAsyncKeyState('K');
if (res & 0x8000) {
runspeed_mult = 5;
} else {
runspeed_mult = 1;
}
{$asm}
popfq
pop r15
pop r14
pop r13
pop r12
pop r11
pop r10
pop r9
pop r8
pop rbp
pop rdi
pop rsi
pop rdx
pop rcx
pop rbx
pop rax

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ParkourPenguin
I post too much

Reputation: 152

Joined: 06 Jul 2014
Posts: 4711

Posted: Sun May 05, 2024 3:27 pm Post subject:

That's unnecessary. {$ccode} does all that for you. Look at the code CE injects. _________________ I don't know where I'm going, but I'll figure it out when I get there.

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