wxhelper/src/hide_module.cc
2023-04-08 09:02:31 +08:00

65 lines
1.9 KiB
C++

#include "pch.h"
#include "hide_module.h"
namespace wxhelper {
void HideModule::Hide(const char* module_name) {
HMODULE hMod = ::GetModuleHandleA(module_name);
PLIST_ENTRY Head, Cur;
PPEB_LDR_DATA ldr;
PLDR_MODULE ldm;
__asm {
mov eax, fs: [0x30]
mov ecx, [eax + 0x0c]
mov ldr, ecx
}
Head = &(ldr->InLoadOrderModuleList);
Cur = Head->Flink;
do {
ldm = CONTAINING_RECORD(Cur, LDR_MODULE, InLoadOrderModuleList);
if (hMod == ldm->BaseAddress) {
ldm->InLoadOrderModuleList.Blink->Flink =
ldm->InLoadOrderModuleList.Flink;
ldm->InLoadOrderModuleList.Flink->Blink =
ldm->InLoadOrderModuleList.Blink;
ldm->InInitializationOrderModuleList.Blink->Flink =
ldm->InInitializationOrderModuleList.Flink;
ldm->InInitializationOrderModuleList.Flink->Blink =
ldm->InInitializationOrderModuleList.Blink;
ldm->InMemoryOrderModuleList.Blink->Flink =
ldm->InMemoryOrderModuleList.Flink;
ldm->InMemoryOrderModuleList.Flink->Blink =
ldm->InMemoryOrderModuleList.Blink;
break;
}
Cur = Cur->Flink;
} while (Head != Cur);
}
void HideModule::Hide(HMODULE module) {
void* peb_ptr = nullptr;
_asm {
PUSH EAX
MOV EAX, FS:[0x30]
MOV peb_ptr, EAX
POP EAX
}
void* ldr_ptr = *((void**)((unsigned char*)peb_ptr + 0xc));
void* cur_ptr = *((void**)((unsigned char*)ldr_ptr + 0x0c));
void* next_ptr = cur_ptr;
do {
void* next = *((void**)((unsigned char*)next_ptr));
void* last = *((void**)((unsigned char*)next_ptr + 0x4));
void* base_addr = *((void**)((unsigned char*)next_ptr + 0x18));
if (base_addr == module) {
*((void**)((unsigned char*)last)) = next;
*((void**)((unsigned char*)next + 0x4)) = last;
cur_ptr = next;
}
next_ptr = *((void**)next_ptr);
} while (cur_ptr != next_ptr);
}
} // namespace wxhelper