2024-02-07 20:59:24 +08:00

99 lines
2.9 KiB
C++

#include"Overflow.h"
bool InsertSekaiProject1Hook()
{
/*
* Sample games:
* https://vndb.org/v1193
*/
const BYTE bytes[] = {
0xCC, // int 3
0x83, 0xEC, 0x10, // sub esp,10 << hook here
0x8B, 0x44, 0x24, 0x14, // mov eax,[esp+14]
0x53, // push ebx
0x56, // push esi
0x50, // push eax
0x8B, 0xD9 // mov ebx,ecx
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("SekaiProject1: pattern not found");
return false;
}
HookParam hp;
hp.address = addr + 1;
hp.offset=get_stack(1);
hp.type = CODEC_UTF16 | USING_STRING | NO_CONTEXT;
ConsoleOutput("INSERT SekaiProject1");
return NewHook(hp, "SekaiProject1");
}
bool InsertSekaiProject2Hook()
{
/*
* Sample games:
* https://vndb.org/r21174
*/
const BYTE bytes[] = {
0xC7, 0x45, 0xDC, 0x00, 0x00, 0x00, 0x00, // mov [ebp-24],00000000 << hook here
0xEB, 0x09, // jmp "SCHOOLDAYS HQ.exe"+4C821
0x8B, 0x45, 0xDC, // mov eax,[ebp-24]
0x83, 0xC0, 0x01, // add eax,01
0x89, 0x45, 0xDC // mov [ebp-24],eax
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("SekaiProject2: pattern not found");
return false;
}
HookParam hp;
hp.address = addr;
hp.offset=get_stack(21);
hp.type = CODEC_UTF16 | USING_STRING | NO_CONTEXT;
ConsoleOutput("INSERT SekaiProject2");
return NewHook(hp, "SekaiProject2");
}
bool InsertSekaiProject3Hook()
{
/*
* Sample games:
* https://vndb.org/r39989
*/
const BYTE bytes[] = {
0xCC, // int 3
0x8B, 0x44, 0x24, 0x04, // mov eax,[esp+04] << hook here
0x83, 0xEC, 0x14, // sub esp,14
0x55, // push ebp
0x56, // push esi
0x57, // push edi
0x8B, 0xF9 // mov edi,ecx
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("SekaiProject3: pattern not found");
return false;
}
HookParam hp;
hp.address = addr + 1;
hp.offset=get_stack(1);
hp.type = CODEC_UTF16 | USING_STRING | NO_CONTEXT;
ConsoleOutput("INSERT SekaiProject3");
return NewHook(hp, "SekaiProject3");
}
bool Overflow::attach_function()
{ return InsertSekaiProject1Hook() || InsertSekaiProject2Hook() || InsertSekaiProject3Hook();}