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/*
* Won't work after CryEngine 5.11 update (2024-08-15)
*/
#include <ntddk.h>
#include <EASTL/array.h>
#include <EASTL/unordered_map.h>
#include <eastl_compat.hpp>
#include <except.h>
#include <DriverThread.hpp>
#include <obfuscate.hpp>
#include "memory.hpp"
#include "stringify.hpp"
#define STRNCMP_CR(haystack, needle) \
(strncmp(haystack, skCrypt(needle), sizeof(needle) - 1))
using namespace DriverThread;
static Thread thread;
static Event shutdown_event;
static auto targetProcess = skCrypt(L"HuntGame.exe");
static auto targetModule = skCrypt(L"GameHunt.dll");
enum ColorType : uint32_t {
Pink = 0xFFA0FFFF,
Red = 0xFF000080,
Green = 0x00FF00FF,
Blue = 0x0000FF60,
Cyan = 0x00FFFFFF,
Orange = 0xFFA500FF,
Yellow = 0xFFFF0060,
White = 0xFFFFFFFF
};
static uint64_t SearchHuntProcess(void) {
const auto &procs = ::GetProcesses();
const auto &found = eastl::find_if(procs.begin(), procs.end(),
[](const auto &item) {
if (item.ProcessName == targetProcess)
return true;
return false;
});
if (found == procs.end()) {
return 0;
}
return found->UniqueProcessId;
}
extern "C" {
DRIVER_INITIALIZE DriverEntry;
DRIVER_UNLOAD DriverUnload;
int mainloop_exception_handler(_In_ EXCEPTION_POINTERS * lpEP)
{
(void)lpEP;
return EXCEPTION_EXECUTE_HANDLER;
}
NTSTATUS DriverEntry(_In_ struct _DRIVER_OBJECT *DriverObject,
_In_ PUNICODE_STRING RegistryPath) {
UNREFERENCED_PARAMETER(DriverObject);
UNREFERENCED_PARAMETER(RegistryPath);
auto args = eastl::make_shared<ThreadArgs>();
thread.Start(
[](eastl::shared_ptr<ThreadArgs> args) {
UNREFERENCED_PARAMETER(args);
HANDLE hunt_pid = NULL;
PEPROCESS pep = NULL;
HANDLE obj = NULL;
uint64_t base = 0;
LONGLONG wait_timeout = (-1LL) * 10LL * 1000LL * 250LL;
DbgPrint("%s\n", "start");
__dpptry(mainloop_exception_handler, mainloop_seh) {
while (shutdown_event.Wait(wait_timeout) == STATUS_TIMEOUT) {
if (!hunt_pid) {
wait_timeout = (-1LL) * 10LL * 1000LL * 1000LL;
hunt_pid = reinterpret_cast<HANDLE>(SearchHuntProcess());
if (hunt_pid == NULL) {
continue;
}
DbgPrint(skCrypt("pid: %p\n"), hunt_pid);
if (!NT_SUCCESS(::OpenProcess(hunt_pid, &pep, &obj))) {
hunt_pid = NULL;
continue;
}
base = 0;
while (!base && hunt_pid) {
LARGE_INTEGER wait = {.QuadPart = (-1LL) * 10LL * 1000LL * 5000LL};
KeDelayExecutionThread(KernelMode, FALSE, &wait);
const auto mods = ::GetModules(pep, FALSE);
for (const auto &mod : mods) {
if (mod.BaseDllName == targetModule) {
base = mod.DllBase;
break;
}
}
hunt_pid = reinterpret_cast<HANDLE>(SearchHuntProcess());
}
if (!hunt_pid) {
LARGE_INTEGER wait = {.QuadPart = (-1LL) * 10LL * 1000LL * 5000LL};
KeDelayExecutionThread(KernelMode, FALSE, &wait);
::CloseProcess(&pep, &obj);
continue;
}
}
// Offsets stolen from: https://www.unknowncheats.me/forum/other-fps-games/350352-hunt-showdown-51.html
Memory memory(pep);
auto sys_global_env = memory.Read<uint64_t>(base + 0x23582C0);
auto entity_system = memory.Read<uint64_t>(sys_global_env + 0xC0);
uint16_t number_of_objects = memory.Read<uint16_t>(entity_system + 0x40092);
uint64_t entity_list = entity_system + 0x40098;
for (decltype(number_of_objects) i = 0; i < number_of_objects; ++i) {
auto entity = memory.Read<uint64_t>(entity_list + i * sizeof(uint64_t));
if (!entity)
continue;
auto entity_name_ptr = memory.Read<uint64_t>(entity + 0x10);
char entity_name[128] = {};
memory.ReadString<sizeof(entity_name)>(entity_name_ptr, entity_name);
if (STRNCMP_CR(entity_name, "ShootingRange_Target") == 0 ||
STRNCMP_CR(entity_name, "HunterBasic") == 0)
{
auto slots_ptr = memory.Read<uint64_t>(entity + 0xA8);
auto slot_ptr = memory.Read<uint64_t>(slots_ptr + 0);
auto render_node_ptr = memory.Read<uint64_t>(slot_ptr + 0xA0);
auto rgba_color = memory.Read<uint32_t>(render_node_ptr + 0x2C);
if (rgba_color != ColorType::Cyan /* team */) {
memory.Write<uint32_t>(render_node_ptr + 0x10, 0x80018);
memory.Write<uint32_t>(render_node_ptr + 0x2C, ColorType::Pink);
}
} else if (STRNCMP_CR(entity_name, "Target_Butcher") == 0 ||
STRNCMP_CR(entity_name, "Target_Assassin") == 0 ||
STRNCMP_CR(entity_name, "Spider_target") == 0 ||
STRNCMP_CR(entity_name, "Target_Scrapbeak") == 0 ||
STRNCMP_CR(entity_name, "Grunts.specials") == 0 ||
STRNCMP_CR(entity_name, "immolator_el") == 0)
{
auto slots_ptr = memory.Read<uint64_t>(entity + 0xA8);
auto slot_ptr = memory.Read<uint64_t>(slots_ptr + 0);
auto render_node_ptr = memory.Read<uint64_t>(slot_ptr + 0xA0);
memory.Write<uint32_t>(render_node_ptr + 0x10, 0x80018);
memory.Write<uint32_t>(render_node_ptr + 0x2C, ColorType::Red);
} else if (STRNCMP_CR(entity_name, "currency_collection") == 0 ||
STRNCMP_CR(entity_name, "cash_register") == 0 ||
STRNCMP_CR(entity_name, "cash") == 0)
{
auto slots_ptr = memory.Read<uint64_t>(entity + 0xA8);
auto slot_ptr = memory.Read<uint64_t>(slots_ptr + 0);
auto render_node_ptr = memory.Read<uint64_t>(slot_ptr + 0xA0);
memory.Write<uint32_t>(render_node_ptr + 0x10, 0x80018);
memory.Write<uint32_t>(render_node_ptr + 0x2C, ColorType::Yellow);
} else if (STRNCMP_CR(entity_name, "TraitCharm") == 0)
{
auto slots_ptr = memory.Read<uint64_t>(entity + 0xA8);
auto slot_ptr = memory.Read<uint64_t>(slots_ptr + 0);
auto render_node_ptr = memory.Read<uint64_t>(slot_ptr + 0xA0);
memory.Write<uint32_t>(render_node_ptr + 0x10, 0x80018);
memory.Write<uint32_t>(render_node_ptr + 0x2C, ColorType::Blue);
}
}
}
} __dppexcept(mainloop_seh) {
return STATUS_UNSUCCESSFUL;
} __dpptryend(mainloop_seh);
return STATUS_SUCCESS;
},
args);
return STATUS_SUCCESS;
}
VOID DriverUnload(_In_ struct _DRIVER_OBJECT *DriverObject) {
UNREFERENCED_PARAMETER(DriverObject);
DbgPrint("%s\n", "Waiting for thread termination..");
__dpptry(mainloop_exception_handler, unload_seh)
{
shutdown_event.Notify();
thread.WaitForTermination();
} __dppexcept(unload_seh) {
} __dpptryend(unload_seh);
}
}
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