LunaHook-mirror/LunaHook/engine32/AksysGames.cpp

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2024-09-28 19:06:52 +08:00
#include "AksysGames.h"
bool AksysGames::attach_function()
{
const BYTE bytes[] = {
/*
v8 = *v2;
if ( *v2 == (char)0x80 )
{
++v2;
++v5;
goto LABEL_26;
}
v9 = 0;
v17 = v7;
v15 = v2;
v10 = v6;
if ( (unsigned __int8)v8 >= 0x81u && (unsigned __int8)v8 <= 0x9Fu
|| (unsigned __int8)v8 >= 0xE0u && (unsigned __int8)v8 <= 0xFCu )
{
*/
/*
.text:004BCB70 mov cl, [eax]
.text:004BCB72 cmp cl, 80h ; ''
.text:004BCB75 jz loc_4BCC76
.text:004BCB7B xor esi, esi
.text:004BCB7D mov [ebp+var_20C], edi
.text:004BCB83 mov [ebp+var_214], eax
.text:004BCB89 mov ebx, edx
.text:004BCB8B test edi, edi
.text:004BCB8D jz short loc_4BCBE3
.text:004BCB8F cmp cl, 81h
.text:004BCB92 jb short loc_4BCB99
.text:004BCB94 cmp cl, 9Fh
.text:004BCB97 jbe short loc_4BCBA3
.text:004BCB99
.text:004BCB99 loc_4BCB99: ; CODE XREF: sub_4BCB20+72j
.text:004BCB99 cmp cl, 0E0h
.text:004BCB9C jb short loc_4BCBC3
.text:004BCB9E cmp cl, 0FCh
.text:004BCBA1 ja short loc_4BCBC3
*/
//clang-format off
0x8a, 0x08,
0x80, 0xf9, 0x80,
0x0f, 0x84, XX4,
0x33, 0xf6,
0x89, XX, XX4,
0x89, XX, XX4,
0x8b, 0xda,
0x85, 0xff,
0x74, XX,
0x80, 0xf9, 0x81,
0x72, XX,
0x80, 0xf9, 0x9f,
0x76, XX,
0x80, 0xf9, 0xe0,
0x72, XX,
0x80, 0xf9, 0xfc,
0x77, XX,
//clang-format on
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr)
return false;
addr = findfuncstart(addr, 0x100, true);
if (!addr)
return false;
HookParam hp;
hp.address = addr;
hp.offset = get_stack(1);
hp.type = USING_STRING;
return NewHook(hp, "AksysGames");
}