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Am I writing this try/except section correctly?

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Autem
Expert Cheater

Reputation: 1

Joined: 30 Jan 2023
Posts: 119

Posted: Thu May 11, 2023 1:18 am Post subject: Am I writing this try/except section correctly?

Am I using try/except correctly here?

Code:

define(address,"WWE2K23_x64.exe"+89C436)
define(bytes,C5 F8 2E C1 7A 06)

define(address2,"WWE2K23_x64.exe"+89C470)
define(bytes2,74 76 48 8B 49 28)

[ENABLE]
assert(address,bytes)
alloc(newmem,$10000,"WWE2K23_x64.exe"+89C436)
alloc(adder,4)
alloc(check,4)
label(code)
label(return)

check:
dd (float)75

adder:
dd (float)24.9

newmem:
push rax
{$try} // I suspect that something BELOW here sometimes causes a crash/is invalid
cmp [WWE2K23_x64.exe+3697478],0
je code
mov rax,[rcx+28]
cmp [rax+48B0],8
jne code
comiss xmm1, [rcx+3c]
jb code
comiss xmm1, dword ptr [check]
ja code
addss xmm1, dword ptr [adder]
jmp code
{$except} // I suspect that something ABOVE here sometimes causes a crash/is invalid
comiss xmm1, dword ptr [check] //copied from above because I'm sure it's not the thing causing the error
ja code //copied from above because I'm sure it's not the thing causing the error
addss xmm1, dword ptr [adder] //copied from above because I'm sure it's not the thing causing the error

code:
pop rax
vucomiss xmm0,xmm1
jp WWE2K23_x64.exe+89C442
jmp return

address:
jmp newmem
nop
return:

assert(address2,bytes2)

address2:
// jmp WWE2K23_x64.exe+8999A8
je WWE2K23_x64.exe+89C4E8

[DISABLE]
address:
db bytes
// vucomiss xmm0,xmm1
// jp WWE2K23_x64.exe+899902

dealloc(newmem)
dealloc(adder)
dealloc(check)

{
// ORIGINAL CODE - INJECTION POINT: WWE2K23_x64.exe+8998F6

WWE2K23_x64.exe+8998CB: 57 - push rdi
WWE2K23_x64.exe+8998CC: 41 56 - push r14
WWE2K23_x64.exe+8998CE: 48 81 EC 80 00 00 00 - sub rsp,00000080
WWE2K23_x64.exe+8998D5: C5 F8 29 74 24 70 - vmovaps [rsp+70],xmm6
WWE2K23_x64.exe+8998DB: 48 8B 05 26 97 C6 02 - mov rax,[WWE2K23_x64.exe+3503008]
WWE2K23_x64.exe+8998E2: 48 33 C4 - xor rax,rsp
WWE2K23_x64.exe+8998E5: 48 89 44 24 68 - mov [rsp+68],rax
WWE2K23_x64.exe+8998EA: 41 0F B6 E8 - movzx ebp,r8b
WWE2K23_x64.exe+8998EE: 48 8B D9 - mov rbx,rcx
WWE2K23_x64.exe+8998F1: C5 FA 10 41 3C - vmovss xmm0,[rcx+3C]
// ---------- INJECTING HERE ----------
WWE2K23_x64.exe+8998F6: C5 F8 2E C1 - vucomiss xmm0,xmm1
// ---------- DONE INJECTING ----------
WWE2K23_x64.exe+8998FA: 7A 06 - jp WWE2K23_x64.exe+899902
WWE2K23_x64.exe+8998FC: 0F 84 DE 01 00 00 - je WWE2K23_x64.exe+899AE0
WWE2K23_x64.exe+899902: C5 FA 11 49 3C - vmovss [rcx+3C],xmm1
WWE2K23_x64.exe+899907: 80 79 38 00 - cmp byte ptr [rcx+38],00
WWE2K23_x64.exe+89990B: 74 0A - je WWE2K23_x64.exe+899917
WWE2K23_x64.exe+89990D: C5 FA 10 35 87 A3 96 02 - vmovss xmm6,[WWE2K23_x64.exe+3203C9C]
WWE2K23_x64.exe+899915: EB 08 - jmp WWE2K23_x64.exe+89991F
WWE2K23_x64.exe+899917: 48 8B 41 30 - mov rax,[rcx+30]
WWE2K23_x64.exe+89991B: C5 F2 5E 30 - vdivss xmm6,xmm1,[rax]
WWE2K23_x64.exe+89991F: 48 8B 41 30 - mov rax,[rcx+30]
}
address2:
db bytes2
// je WWE2K23_x64.exe+8999A8
// mov rcx,[rcx+28]

{
// ORIGINAL CODE - INJECTION POINT: WWE2K23_x64.exe+899930

WWE2K23_x64.exe+899907: 80 79 38 00 - cmp byte ptr [rcx+38],00
WWE2K23_x64.exe+89990B: 74 0A - je WWE2K23_x64.exe+899917
WWE2K23_x64.exe+89990D: C5 FA 10 35 87 A3 96 02 - vmovss xmm6,[WWE2K23_x64.exe+3203C9C]
WWE2K23_x64.exe+899915: EB 08 - jmp WWE2K23_x64.exe+89991F
WWE2K23_x64.exe+899917: 48 8B 41 30 - mov rax,[rcx+30]
WWE2K23_x64.exe+89991B: C5 F2 5E 30 - vdivss xmm6,xmm1,[rax]
WWE2K23_x64.exe+89991F: 48 8B 41 30 - mov rax,[rcx+30]
WWE2K23_x64.exe+899923: C5 F8 2F 70 04 - vcomiss xmm6,[rax+04]
WWE2K23_x64.exe+899928: 40 0F 93 C6 - setae sil
WWE2K23_x64.exe+89992C: 40 3A 71 61 - cmp sil,[rcx+61]
// ---------- INJECTING HERE ----------
WWE2K23_x64.exe+899930: 74 76 - je WWE2K23_x64.exe+8999A8
// ---------- DONE INJECTING ----------
WWE2K23_x64.exe+899932: 48 8B 49 28 - mov rcx,[rcx+28]
WWE2K23_x64.exe+899936: E8 15 4B E5 FF - call WWE2K23_x64.exe+6EE450
WWE2K23_x64.exe+89993B: 85 C0 - test eax,eax
WWE2K23_x64.exe+89993D: 75 69 - jne WWE2K23_x64.exe+8999A8
WWE2K23_x64.exe+89993F: 48 8B 05 9A D5 F5 02 - mov rax,[WWE2K23_x64.exe+37F6EE0]
WWE2K23_x64.exe+899946: 4C 8B B0 58 01 00 00 - mov r14,[rax+00000158]
WWE2K23_x64.exe+89994D: 41 B8 08 00 00 00 - mov r8d,00000008
WWE2K23_x64.exe+899953: 49 8B 16 - mov rdx,[r14]
WWE2K23_x64.exe+899956: 41 8D 48 18 - lea ecx,[r8+18]
WWE2K23_x64.exe+89995A: E8 11 77 9D FF - call WWE2K23_x64.exe+271070
}

Dark Byte
Site Admin

Reputation: 458

Joined: 09 May 2003
Posts: 25288
Location: The netherlands

Posted: Thu May 11, 2023 2:08 am Post subject:

seems to be ok tip: Add a counter to the except routine so you can see how often it executes _________________ Do not ask me about online cheats. I don't know any and wont help finding them. Like my help? Join me on Patreon so i can keep helping

Autem
Expert Cheater

Reputation: 1

Joined: 30 Jan 2023
Posts: 119

Posted: Thu May 11, 2023 2:20 am Post subject:

Dark Byte wrote:

seems to be ok

tip: Add a counter to the except routine so you can see how often it executes

That's a great thought! My suspicions were that it happens about 2 times per day but now I'll actually have hard evidence.

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