Ethereal/dll/HEH/dllmain.cpp

#define _CRT_SECURE_NO_WARNINGS
#include <thread>
#include <filesystem>
#include <fstream>
#include <string>
#include <windows.h>
#include <sstream>
HANDLE p;
void patch(PVOID address, int opCode, int bytes) {
    DWORD protectbak, dumbshit;
    VirtualProtectEx(p, address, bytes, PAGE_EXECUTE_READWRITE, &protectbak);
    memset(address, opCode, bytes);
    VirtualProtectEx(p, address, bytes, protectbak, &dumbshit);
}
void patchm(PVOID address, std::vector<char> bytes, int size) {
    DWORD protectbak, dumbshit;
    VirtualProtect(address, size, PAGE_EXECUTE_READWRITE, &protectbak);
    memcpy(address, bytes.data(), size);
    VirtualProtect(address, size, protectbak, &dumbshit);
}
void log(const char* msg) {
    time_t currentTime;
    struct tm* localTime;
    time(&currentTime);
    localTime = localtime(&currentTime);
    printf("[%02d:%02d:%02d] %s\n", localTime->tm_hour, localTime->tm_min, localTime->tm_sec, msg);
}


__declspec(dllexport) void lessgo(HMODULE hmod) {
    AllocConsole();
    p = OpenProcess(PROCESS_ALL_ACCESS, FALSE, GetCurrentProcessId());
    freopen("CONOUT$", "w", stdout);
    DWORD64 mod = (DWORD64)LoadLibraryA(std::string("C:\\Ethereal\\Ethereal.dll").c_str());
    std::stringstream ss;
    ss << std::hex << mod;
    patch((void*)(mod + 0x4A9E0), 0xB8, 1);
    log("Applied patch 1/10");
    patch((void*)(mod + 0x4A9E1), 0x01, 1);
    log("Applied patch 2/10");
    patch((void*)(mod + 0x4A9E2), 0x00, 1);
    log("Applied patch 3/10");
    patch((void*)(mod + 0x4A9E3), 0x00, 1);
    log("Applied patch 4/10");
    patch((void*)(mod + 0x4A9E4), 0x00, 1);
    log("Applied patch 5/10");
    patch((void*)(mod + 0x4A9E5), 0xC3, 1);
    log("Applied patch 6/10");
    patch((void*)(mod + 0x4A9E6), 0x90, 1);
    log("Applied patch 7/10");
    patch((void*)(mod + 0x4A9E7), 0x90, 1);
    log("Applied patch 8/10");
    patch((void*)(mod + 0x4A9E8), 0x90, 1);
    log("Applied patch 9/10");
    patch((void*)(mod + 0x4A9E9), 0x90, 1);
    log("Applied patch 10/10");

    while (FindWindowA(0, "Ethereal") == NULL) Sleep(100);
    HWND w = FindWindowA(0, "Ethereal");
    SetWindowTextA(w, "Ethereal | cracked by EinTim#0777");
}

BOOL APIENTRY DllMain(HMODULE hModule,DWORD  ul_reason_for_call,LPVOID lpReserved)
{
    if(ul_reason_for_call == 1){
        CreateThread(nullptr, NULL, [](LPVOID hmod) -> DWORD {
            lessgo((HMODULE)hmod);
            return 0;
        }, NULL, NULL, NULL);
        return TRUE;
    }
    return FALSE;
}