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avg3217d

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This commit is contained in:
恍兮惚兮 2024-09-07 19:59:27 +08:00
parent 4f431b2e68
commit 100ed89542
2 changed files with 41 additions and 4 deletions
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36
LunaHook/engine32/Reallive.cpp
View File

@ -177,7 +177,7 @@ bool Reallive::attach_function()
return true;
}
bool avg3216d::attach_function()
bool avg3216dattach_function()
{
BYTE pattern1[] = {
//clang-format off
@ -208,4 +208,38 @@ bool avg3216d::attach_function()
hp.type = NO_CONTEXT | DATA_INDIRECT;
// GROWL_DWORD(hp.address);
return NewHook(hp, "avg3216d");
}
bool avg3216dattach_function2()
{
// https://vndb.org/v12860
// effect～悪魔の仔～
BYTE pattern2[] = {
//clang-format off
0x80, 0xf9, 0x81,
0x72, 0x05,
0x80, 0xf9, 0x9f,
0x76, XX, // 76 17
0x80, 0xf9, 0xe0,
0x72, 0x05,
0x80, 0xf9, 0xfc,
0x76, 0x0d,
//clang-format on
};
auto addr = MemDbg::findBytes(pattern2, sizeof(pattern2), processStartAddress, processStopAddress);
if (addr == 0)
return false;
addr = findfuncstart(addr, 0x200);
if (addr == 0)
return false;
HookParam hp;
hp.address = addr;
hp.offset = get_stack(1);
hp.type = USING_STRING;
// GROWL_DWORD(hp.address);
return NewHook(hp, "avg3217d");
}
bool avg3216d::attach_function()
{
return avg3216dattach_function() || avg3216dattach_function2();
}

9
LunaHook/util/util.cc
View File

@ -428,12 +428,15 @@ uintptr_t finddllfunctioncall(uintptr_t funcptr,uintptr_t start, uintptr_t end,W
else
return MemDbg::findBytes(bytes,sizeof(bytes),start,end);
}
uintptr_t findfuncstart(uintptr_t addr,uintptr_t range){
uintptr_t findfuncstart(uintptr_t start,uintptr_t range){
const BYTE funcstart[] = {
0x55,0x8b,0xec
};
addr = reverseFindBytes(funcstart, sizeof(funcstart), addr-range, addr);
return addr;
start &= ~0xf;
for (uintptr_t i = start, j = start - range; i >= j; i-=0x10) {
if(memcmp((void*)i,funcstart,3)==0)return i;
}
return 0;
}
#define buildbytes(ret) auto entry=Util::FindImportEntry(hmodule,addr); \
if(entry==0)return ret;\