73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
#include <std_include.hpp>
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#include "loader/module_loader.hpp"
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#include "utils/hook.hpp"
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#include "game/game.hpp"
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class ceg final : public module
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{
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public:
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void post_load() override
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{
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// Only SP has CEG
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// CEG in MP has accidentally been removed due to CVE-2018-10718
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if(!game::is_sp()) return;
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utils::hook::signature signature(0x401000, 0x3E1000);
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signature.add({ "\x56\xE8\x00\x00\x00\x00\x8B\xF0\xE8\x00\x00\x00\x00\x50\x56\xE8", "xx????xxx????xxx", [](char* address)
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{
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utils::hook::set<DWORD>(address, 0xC301B0);
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} });
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// Generic killer caller.
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signature.add({ "\x55\x8B\xEC\x80\x7D\x08\x00\x75\x55", "xxxxxx?xx", []( char* address)
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{
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utils::hook::set<DWORD>(address, 0xC301B0);
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} });
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// CEG initialization.
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signature.add({ "\x55\x8B\xEC\x83\xEC\x18\x53\x56\x57\xE8\x00\x00\x00\x00", "xxxxxxxxxx????", [](char* address)
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{
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utils::hook::set<BYTE>(address, 0xC3);
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} });
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// Some odd trap.
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signature.add({ "\x55\x8B\xEC\x81\xEC\x00\x00\x00\x00\x53\x56\x57\x8B\x3D", "xxxxx??xxxxxxx", [](char* address)
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{
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utils::hook::set<DWORD>(address, 0xC301B0);
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} });
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// Custom shit
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signature.add({ "\x55\x8B\xEC\x68\x00\x00\x00\x00\x68\x00\x00\x00\x00\x64\xFF\x35\x00\x00\x00\x00\x64\x89\x25\x00\x00\x00\x00\xE8", "xxxx????x????xxx????xxx????x", [](char* address)
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{
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utils::hook::set<BYTE>(address, 0xC3);
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} });
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// hkcr guid check
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signature.add({ "\x55\x8B\xEC\xB8\x00\x00\x00\x00\xE8\x00\x00\x00\x00\xE8\x00\x00\x00\x00\x84\xC0\x75\x06", "xxxx????x????x????xxxx", [](char* address)
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{
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utils::hook::nop(address + 0xD, 5); // Call
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utils::hook::nop(address + 0x14, 2); // Jump
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} });
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// hkcr guid check 2
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signature.add({ "\x55\x8B\xEC\x81\xEC\x00\x00\x00\x00\xE8\x00\x00\x00\x00\x84\xC0\x75\x06", "xxxxx????x????xxxx", [](char* address)
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{
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utils::hook::nop(address + 0x9, 5); // Call
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utils::hook::nop(address + 0x10, 2); // Jump
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} });
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signature.process();
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// Function fixup
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utils::hook(0x4CA310, 0x48A8E0, HOOK_JUMP).install()->quick(); // DB_LoadXAssets
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// Some value obfuscation
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utils::hook(0x493B81, 0x493BFC, HOOK_JUMP).install()->quick();
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// Ceg uninit
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utils::hook::set<BYTE>(0x527110, 0xC3);
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}
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};
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REGISTER_MODULE(ceg) |