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#ifndef UNICODE
#define UNICODE
#endif
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0600
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#define _CRT_SECURE_NO_WARNINGS
#ifdef NDEBUG
#define KA_EXIT(code) LI_FN(exit)(1)
#else
#define KA_EXIT(code) LI_FN(exit)(code)
#endif
#include <auth.hpp>
#include <strsafe.h>
#include <windows.h>
#include <string>
#include <stdio.h>
#include <iostream>
#include <shellapi.h>
#include <sstream>
#include <iomanip>
#include <xorstr.hpp>
#include <fstream>
#include <http.h>
#include <stdlib.h>
#include <atlstr.h>
#include <windns.h>
#include <ctime>
#include <filesystem>
#pragma comment(lib, "rpcrt4.lib")
#pragma comment(lib, "httpapi.lib")
#pragma comment(lib, "psapi.lib")
#pragma comment(lib, "wintrust.lib")
#pragma comment(lib, "dnsapi.lib")
#include <cstdio>
#include <iostream>
#include <memory>
#include <algorithm>
#include <psapi.h>
#include <wintrust.h>
#include <softpub.h>
#include <cwctype>
#include <intrin.h>
#include <array>
#include <cstring>
#include <vector>
#include <utility>
#include <stdexcept>
#include <ws2tcpip.h>
#include <windns.h>
#include <tlhelp32.h>
#include <string>
#include <array>
#include <functional>
#include <vector>
#include <bitset>
#include <psapi.h>
#pragma comment( lib, "psapi.lib" )
#include <thread>
#include <cctype>
#include <algorithm>
#if __has_include("Security.hpp")
#include "Security.hpp"
#define KEYAUTH_HAVE_SECURITY 1
#else
#define KEYAUTH_HAVE_SECURITY 0
#endif
#if __has_include("killEmulator.hpp")
#include "killEmulator.hpp"
#define KEYAUTH_HAVE_KILLEMU 1
#else
#define KEYAUTH_HAVE_KILLEMU 0
#endif
#include <lazy_importer.hpp>
#include <QRCode/qrcode.hpp>
#include <QRCode/qr.png.h>
#define SHA256_HASH_SIZE 32
static std::string hexDecode(const std::string& hex);
std::string get_str_between_two_str(const std::string& s, const std::string& start_delim, const std::string& stop_delim);
int VerifyPayload(std::string signature, std::string timestamp, std::string body);
void checkInit();
std::string checksum();
void modify();
void runChecks();
void checkAtoms();
void checkFiles();
void checkRegistry();
void error(std::string message);
std::string generate_random_number();
std::string curl_escape(CURL* curl, const std::string& input);
static std::string build_query_encoded(CURL* curl, const std::string& data);
auto check_section_integrity( const char *section_name, bool fix ) -> bool;
void integrity_check();
std::string extract_host(const std::string& url);
bool hosts_override_present(const std::string& host);
bool module_has_rwx_section(HMODULE mod);
bool core_modules_signed();
static std::wstring get_system_dir();
static std::wstring get_syswow_dir();
static void security_watchdog();
bool timing_anomaly_detected();
void start_heartbeat(KeyAuth::api* instance);
void heartbeat_thread(KeyAuth::api* instance);
void snapshot_text_hashes();
bool text_hashes_ok();
void snapshot_text_page_protections();
bool text_page_protections_ok();
void snapshot_data_page_protections();
bool data_page_protections_ok();
static bool get_text_section_info(std::uintptr_t& base, size_t& size);
static uint32_t rolling_crc32(const uint8_t* data, size_t len, size_t window = 64, size_t stride = 16);
inline void secure_zero(std::string& value) noexcept;
inline void securewipe(std::string& value) noexcept;
std::string seed;
void cleanUpSeedData(const std::string& seed);
thread_local std::string signature;
thread_local std::string signatureTimestamp;
static const char* k_build_tag = "KA_BUILD_2026_03_09B";
struct SignatureHeaders {
std::string signature;
std::string timestamp;
};
static inline void trim_ws(std::string& s) {
while (!s.empty() && std::isspace(static_cast<unsigned char>(s.front()))) s.erase(s.begin());
while (!s.empty() && std::isspace(static_cast<unsigned char>(s.back()))) s.pop_back();
}
static inline void strip_quotes(std::string& s) {
if (s.size() >= 2 && ((s.front() == '"' && s.back() == '"') || (s.front() == '\'' && s.back() == '\''))) {
s = s.substr(1, s.size() - 2);
}
}
static inline bool is_hex_string(const std::string& s) {
return !s.empty() && std::all_of(s.begin(), s.end(), [](unsigned char c) { return std::isxdigit(c) != 0; });
}
static inline std::string bytes_to_hex(const unsigned char* bytes, size_t len) {
static const char* kHex = "0123456789abcdef";
std::string out;
out.reserve(len * 2);
for (size_t i = 0; i < len; ++i) {
out.push_back(kHex[(bytes[i] >> 4) & 0xF]);
out.push_back(kHex[bytes[i] & 0xF]);
}
return out;
}
static bool normalize_signature_header(std::string sig_in, std::string& sig_hex_out) {
trim_ws(sig_in);
strip_quotes(sig_in);
if (sig_in.rfind("0x", 0) == 0 || sig_in.rfind("0X", 0) == 0) {
sig_in = sig_in.substr(2);
}
if (is_hex_string(sig_in) && sig_in.size() == 128) {
std::transform(sig_in.begin(), sig_in.end(), sig_in.begin(),
[](unsigned char c) { return static_cast<char>(std::tolower(c)); });
sig_hex_out = sig_in;
return true;
}
unsigned char decoded[64] = { 0 };
size_t decoded_len = 0;
if (sodium_base642bin(decoded, sizeof(decoded), sig_in.c_str(), sig_in.size(),
nullptr, &decoded_len, nullptr, sodium_base64_VARIANT_ORIGINAL) == 0 && decoded_len == 64) {
sig_hex_out = bytes_to_hex(decoded, decoded_len);
return true;
}
if (sodium_base642bin(decoded, sizeof(decoded), sig_in.c_str(), sig_in.size(),
nullptr, &decoded_len, nullptr, sodium_base64_VARIANT_URLSAFE_NO_PADDING) == 0 && decoded_len == 64) {
sig_hex_out = bytes_to_hex(decoded, decoded_len);
return true;
}
return false;
}
bool initialized;
static constexpr uint8_t k_pubkey_xor1 = 0x5A;
static constexpr uint8_t k_pubkey_xor2 = 0xA5;
static constexpr uint64_t k_pubkey_fnv1a = 0x7553f24ca052d4b1ULL;
static const uint8_t k_pubkey_obf1[64] = {
0x6f, 0x6f, 0x62, 0x6c, 0x38, 0x6e, 0x38, 0x39, 0x6c, 0x63, 0x39, 0x6d, 0x3b, 0x6e, 0x38, 0x6e,
0x62, 0x6d, 0x3f, 0x6e, 0x6f, 0x6c, 0x69, 0x3b, 0x6e, 0x39, 0x3e, 0x63, 0x6c, 0x3b, 0x3c, 0x3e,
0x69, 0x63, 0x6b, 0x6e, 0x6a, 0x3c, 0x63, 0x6b, 0x63, 0x38, 0x3e, 0x69, 0x6b, 0x39, 0x3f, 0x3b,
0x6d, 0x3e, 0x6b, 0x39, 0x6c, 0x3b, 0x6b, 0x3f, 0x62, 0x6e, 0x69, 0x63, 0x6e, 0x68, 0x68, 0x38
};
static const uint8_t k_pubkey_obf2[64] = {
0x90, 0x90, 0x9d, 0x93, 0xc7, 0x91, 0xc7, 0xc6, 0x93, 0x9c, 0xc6, 0x92, 0xc4, 0x91, 0xc7, 0x91,
0x9d, 0x92, 0xc0, 0x91, 0x90, 0x93, 0x96, 0xc4, 0x91, 0xc6, 0xc1, 0x9c, 0x93, 0xc4, 0xc3, 0xc1,
0x96, 0x9c, 0x94, 0x91, 0x95, 0xc3, 0x9c, 0x94, 0x9c, 0xc7, 0xc1, 0x96, 0x94, 0xc6, 0xc0, 0xc4,
0x92, 0xc1, 0x94, 0xc6, 0x93, 0xc4, 0x94, 0xc0, 0x9d, 0x91, 0x96, 0x9c, 0x91, 0x97, 0x97, 0xc7
};
static std::atomic<uint64_t> pubkey_hash_seen{ 0 };
static std::atomic<bool> pubkey_protect_ready{ false };
static DWORD pubkey_protect_baseline = 0;
bool KeyAuth::api::debug = false;
std::atomic<bool> LoggedIn(false);
std::atomic<long long> last_integrity_check{ 0 };
std::atomic<int> integrity_fail_streak{ 0 };
std::atomic<long long> last_module_check{ 0 };
std::atomic<long long> last_periodic_check{ 0 };
std::atomic<bool> heartbeat_started{ false };
std::atomic<bool> text_hashes_ready{ false };
struct TextHash { size_t offset; size_t len; uint32_t hash; };
std::vector<TextHash> text_hashes;
std::atomic<bool> text_prot_ready{ false };
std::vector<std::pair<std::uintptr_t, DWORD>> text_protections;
std::atomic<bool> data_prot_ready{ false };
std::vector<std::pair<std::uintptr_t, DWORD>> data_protections;
std::atomic<int> heavy_fail_streak{ 0 };
static std::atomic<uint32_t> text_crc_baseline{ 0 };
static std::atomic<bool> watchdog_started{ false };
static std::atomic<uint32_t> curl_crc_baseline{ 0 };
static std::atomic<uint32_t> sodium_crc_baseline{ 0 };
static inline void secure_zero(std::string& value) noexcept
{
if (!value.empty()) {
SecureZeroMemory(value.data(), value.size());
value.clear();
value.shrink_to_fit();
}
}
static inline void securewipe(std::string& value) noexcept
{
secure_zero(value);
}
static uint64_t fnv1a64_bytes(const uint8_t* data, size_t len)
{
uint64_t h = 0xcbf29ce484222325ULL;
for (size_t i = 0; i < len; ++i) {
h ^= static_cast<uint64_t>(data[i]);
h *= 0x100000001b3ULL;
}
return h;
}
uint32_t KeyAuth::api::derive_secure_key() const
{
LARGE_INTEGER qpc{};
QueryPerformanceCounter(&qpc);
const uint64_t t = static_cast<uint64_t>(qpc.QuadPart);
const uint64_t p = reinterpret_cast<uintptr_t>(this);
uint32_t k = static_cast<uint32_t>(t ^ (t >> 32) ^ p ^ (p >> 32));
k ^= static_cast<uint32_t>(GetCurrentProcessId());
k ^= static_cast<uint32_t>(GetCurrentThreadId() << 16);
k ^= 0x9e3779b9u;
k ^= (k << 6);
k ^= (k >> 2);
if (k == 0) k = 0xA5A5A5A5u;
return k;
}
std::string KeyAuth::api::xor_crypt_field(const std::string& in) const
{
if (in.empty())
return {};
uint32_t k = secure_strings_key_;
std::string out = in;
for (size_t i = 0; i < out.size(); ++i) {
k ^= (k << 13);
k ^= (k >> 17);
k ^= (k << 5);
out[i] = static_cast<char>(out[i] ^ (k & 0xFF));
}
return out;
}
std::string KeyAuth::api::get_name() const { return secure_strings_enabled_ ? xor_crypt_field(name_enc_) : name; }
std::string KeyAuth::api::get_ownerid() const { return secure_strings_enabled_ ? xor_crypt_field(ownerid_enc_) : ownerid; }
std::string KeyAuth::api::get_version() const { return secure_strings_enabled_ ? xor_crypt_field(version_enc_) : version; }
std::string KeyAuth::api::get_url() const { return secure_strings_enabled_ ? xor_crypt_field(url_enc_) : url; }
std::string KeyAuth::api::get_path() const { return secure_strings_enabled_ ? xor_crypt_field(path_enc_) : path; }
void KeyAuth::api::enable_secure_strings(bool enable)
{
if (enable) {
if (secure_strings_enabled_)
return;
if (secure_strings_key_ == 0) {
secure_strings_key_ = derive_secure_key();
}
name_enc_ = xor_crypt_field(name);
ownerid_enc_ = xor_crypt_field(ownerid);
version_enc_ = xor_crypt_field(version);
url_enc_ = xor_crypt_field(url);
path_enc_ = xor_crypt_field(path);
secure_zero(name);
secure_zero(ownerid);
secure_zero(version);
secure_zero(url);
secure_zero(path);
secure_strings_enabled_ = true;
} else {
if (!secure_strings_enabled_)
return;
name = xor_crypt_field(name_enc_);
ownerid = xor_crypt_field(ownerid_enc_);
version = xor_crypt_field(version_enc_);
url = xor_crypt_field(url_enc_);
path = xor_crypt_field(path_enc_);
secure_zero(name_enc_);
secure_zero(ownerid_enc_);
secure_zero(version_enc_);
secure_zero(url_enc_);
secure_zero(path_enc_);
secure_strings_key_ = 0;
secure_strings_enabled_ = false;
}
}
uint64_t KeyAuth::api::compute_auth_seal(uint64_t nonce, long long window) const
{
const std::string hwid = utils::get_hwid();
std::string material;
material.reserve(256);
material += get_ownerid();
material += '|';
material += get_name();
material += '|';
material += sessionid;
material += '|';
material += user_data.username;
material += '|';
material += hwid;
material += '|';
material += std::to_string(GetCurrentProcessId());
material += '|';
material += std::to_string(reinterpret_cast<uintptr_t>(this));
material += '|';
material += std::to_string(nonce);
material += '|';
material += std::to_string(window);
material += '|';
material += k_build_tag;
return fnv1a64_bytes(reinterpret_cast<const uint8_t*>(material.data()), material.size());
}
bool KeyAuth::api::has_active_subscription() const
{
const auto now = std::chrono::duration_cast<std::chrono::seconds>(
std::chrono::system_clock::now().time_since_epoch()).count();
for (const auto& sub : user_data.subscriptions) {
if (sub.name.empty() || sub.expiry.empty())
continue;
try {
if (std::stoll(sub.expiry) > now) {
return true;
}
}
catch (...) {
}
}
return false;
}
void KeyAuth::api::reset_auth_runtime()
{
LoggedIn.store(false);
auth_nonce_.store(0);
auth_window_.store(0);
auth_seal_.store(0);
response.success = false;
response.isPaid = false;
}
void KeyAuth::api::mark_authenticated()
{
std::random_device rd;
uint64_t nonce = (static_cast<uint64_t>(rd()) << 32) ^ static_cast<uint64_t>(rd());
if (nonce == 0) {
nonce = 0x9e3779b97f4a7c15ULL ^ reinterpret_cast<uintptr_t>(this);
}
const auto window = std::chrono::duration_cast<std::chrono::seconds>(
std::chrono::steady_clock::now().time_since_epoch()).count() / 90;
auth_nonce_.store(nonce);
auth_window_.store(window);
auth_seal_.store(compute_auth_seal(nonce, window));
LoggedIn.store(true);
}
void KeyAuth::api::refresh_auth_runtime()
{
if (!LoggedIn.load())
return;
const uint64_t nonce = auth_nonce_.load();
if (nonce == 0)
return;
const auto window = std::chrono::duration_cast<std::chrono::seconds>(
std::chrono::steady_clock::now().time_since_epoch()).count() / 90;
auth_window_.store(window);
auth_seal_.store(compute_auth_seal(nonce, window));
}
bool KeyAuth::api::local_auth_valid(bool require_paid) const
{
if (!LoggedIn.load())
return false;
if (sessionid.empty() || user_data.username.empty())
return false;
const uint64_t nonce = auth_nonce_.load();
const long long sealed_window = auth_window_.load();
const uint64_t sealed = auth_seal_.load();
if (nonce == 0 || sealed_window == 0 || sealed == 0)
return false;
const auto current_window = std::chrono::duration_cast<std::chrono::seconds>(
std::chrono::steady_clock::now().time_since_epoch()).count() / 90;
if (std::llabs(current_window - sealed_window) > 2)
return false;
if (compute_auth_seal(nonce, sealed_window) != sealed)
return false;
if (require_paid && !has_active_subscription() && !response.isPaid)
return false;
return true;
}
static bool request_bypasses_local_auth(const std::string& data)
{
return data.find("type=init") != std::string::npos ||
data.find("type=login") != std::string::npos ||
data.find("type=license") != std::string::npos ||
data.find("type=register") != std::string::npos ||
data.find("type=upgrade") != std::string::npos ||
data.find("type=forgot") != std::string::npos ||
data.find("type=check") != std::string::npos ||
data.find("type=logout") != std::string::npos;
}
static std::string decode_pubkey_hex(const uint8_t* obf, size_t len, uint8_t key)
{
std::string out;
out.resize(len);
for (size_t i = 0; i < len; ++i) {
out[i] = static_cast<char>(obf[i] ^ key);
}
return out;
}
static std::string to_lower_ascii(std::string v)
{
std::transform(v.begin(), v.end(), v.begin(),
[](unsigned char c) { return static_cast<char>(std::tolower(c)); });
return v;
}
static std::string wide_to_utf8(const wchar_t* w)
{
if (!w)
return {};
int needed = WideCharToMultiByte(CP_UTF8, 0, w, -1, nullptr, 0, nullptr, nullptr);
if (needed <= 0)
return {};
std::string out(static_cast<size_t>(needed - 1), '\0');
WideCharToMultiByte(CP_UTF8, 0, w, -1, out.data(), needed, nullptr, nullptr);
return out;
}
static bool list_contains_any(const std::string& hay, const std::vector<std::string>& needles)
{
for (const auto& n : needles) {
if (hay.find(n) != std::string::npos)
return true;
}
return false;
}
static bool url_points_to_loopback(const std::string& url)
{
const std::string host = extract_host(url);
if (host.empty())
return false;
std::string h = to_lower_ascii(host);
if (h == "localhost" || h == "127.0.0.1" || h == "::1")
return true;
ADDRINFOA hints{};
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
ADDRINFOA* res = nullptr;
if (getaddrinfo(host.c_str(), nullptr, &hints, &res) != 0)
return false;
bool loopback = false;
for (auto* p = res; p; p = p->ai_next) {
if (p->ai_family == AF_INET) {
auto* in = reinterpret_cast<sockaddr_in*>(p->ai_addr);
if ((ntohl(in->sin_addr.s_addr) & 0xFF000000u) == 0x7F000000u) {
loopback = true;
break;
}
} else if (p->ai_family == AF_INET6) {
auto* in6 = reinterpret_cast<sockaddr_in6*>(p->ai_addr);
if (IN6_IS_ADDR_LOOPBACK(&in6->sin6_addr)) {
loopback = true;
break;
}
}
}
freeaddrinfo(res);
return loopback;
}
static bool pubkey_memory_protect_ok()
{
MEMORY_BASIC_INFORMATION mbi{};
if (!VirtualQuery(k_pubkey_obf1, &mbi, sizeof(mbi)))
return false;
const DWORD p = mbi.Protect;
if (p & PAGE_GUARD)
return false;
if ((p & PAGE_READWRITE) || (p & PAGE_WRITECOPY) ||
(p & PAGE_EXECUTE_READWRITE) || (p & PAGE_EXECUTE_WRITECOPY)) {
return false;
}
if (pubkey_protect_ready.load(std::memory_order_relaxed)) {
if (pubkey_protect_baseline != p)
return false;
}
return true;
}
static std::string get_public_key_hex()
{
// disabled: public key memory protection check. -nigel
// if (!pubkey_memory_protect_ok()) {
// error(XorStr("public key memory protection tampered."));
// }
std::string a = decode_pubkey_hex(k_pubkey_obf1, sizeof(k_pubkey_obf1), k_pubkey_xor1);
std::string b = decode_pubkey_hex(k_pubkey_obf2, sizeof(k_pubkey_obf2), k_pubkey_xor2);
if (a != b) {
error(XorStr("public key mismatch detected."));
}
const uint64_t h = fnv1a64_bytes(reinterpret_cast<const uint8_t*>(a.data()), a.size());
pubkey_hash_seen.store(h, std::memory_order_relaxed);
// disabled: public key integrity check. -nigel
// if (h != k_pubkey_fnv1a) {
// error(XorStr("public key integrity failed."));
// }
return a;
}
static bool module_contains_ascii(const std::string& needle)
{
if (needle.empty())
return false;
MODULEINFO mi{};
if (!GetModuleInformation(GetCurrentProcess(), GetModuleHandleA(nullptr), &mi, sizeof(mi)))
return false;
const uint8_t* base = reinterpret_cast<const uint8_t*>(mi.lpBaseOfDll);
const uint8_t* end = base + mi.SizeOfImage;
const uint8_t* p = base;
while (p < end) {
MEMORY_BASIC_INFORMATION mbi{};
if (!VirtualQuery(p, &mbi, sizeof(mbi)))
break;
const uint8_t* region = reinterpret_cast<const uint8_t*>(mbi.BaseAddress);
const uint8_t* region_end = region + mbi.RegionSize;
if (region_end > end)
region_end = end;
const DWORD protect = mbi.Protect;
const bool readable = (protect & PAGE_READONLY) || (protect & PAGE_READWRITE) ||
(protect & PAGE_EXECUTE_READ) || (protect & PAGE_EXECUTE_READWRITE) ||
(protect & PAGE_WRITECOPY) || (protect & PAGE_EXECUTE_WRITECOPY);
if (mbi.State == MEM_COMMIT && readable) {
const char* cbegin = reinterpret_cast<const char*>(region);
const char* cend = reinterpret_cast<const char*>(region_end);
auto it = std::search(cbegin, cend, needle.begin(), needle.end());
if (it != cend)
return true;
}
p = region_end;
}
return false;
}
struct ScopeWipe final {
std::string* value;
explicit ScopeWipe(std::string& v) noexcept : value(&v) {}
~ScopeWipe() noexcept { securewipe(*value); }
};
void KeyAuth::api::init()
{
// harden dll search order to reduce current-dir hijacks
SetDefaultDllDirectories(LOAD_LIBRARY_SEARCH_SYSTEM32 | LOAD_LIBRARY_SEARCH_USER_DIRS);
SetDllDirectoryW(L"");
#if KEYAUTH_HAVE_SECURITY
LockMemAccess();
#endif
{
wchar_t exe_path[MAX_PATH] = {};
GetModuleFileNameW(nullptr, exe_path, MAX_PATH);
std::wstring exe_dir = exe_path;
const auto last_slash = exe_dir.find_last_of(L"\\/");
if (last_slash != std::wstring::npos) {
exe_dir = exe_dir.substr(0, last_slash);
AddDllDirectory(exe_dir.c_str());
}
}
std::thread(runChecks).detach();
(void)get_public_key_hex();
seed = generate_random_number();
std::atexit([]() { cleanUpSeedData(seed); });
if (!watchdog_started.exchange(true)) {
std::thread(security_watchdog).detach();
}
CreateThread(0, 0, (LPTHREAD_START_ROUTINE)modify, 0, 0, 0);
if (get_ownerid().length() != 10)
{
MessageBoxA(0, XorStr("Application Not Setup Correctly. Please Watch Video Linked in main.cpp").c_str(), NULL, MB_ICONERROR);
KA_EXIT(0);
}
std::string hash = checksum();
CURL* curl = curl_easy_init();
auto data =
XorStr("type=init") +
XorStr("&ver=") + get_version() +
XorStr("&hash=") + hash +
XorStr("&name=") + curl_escape(curl, get_name().c_str()) +
XorStr("&ownerid=") + get_ownerid();
if (curl) {
curl_easy_cleanup(curl); // avoid leak from escape helper. -nigel
curl = nullptr;
}
// to ensure people removed secret from main.cpp (some people will forget to)
const std::string resolved_path = get_path();
if (resolved_path.find("https") != std::string::npos) {
MessageBoxA(0, XorStr("You forgot to remove \"secret\" from main.cpp. Copy details from ").c_str(), NULL, MB_ICONERROR);
KA_EXIT(0);
}
if (resolved_path != "" || !resolved_path.empty()) {
if (!std::filesystem::exists(resolved_path)) {
MessageBoxA(0, XorStr("File not found. Please make sure the file exists.").c_str(), NULL, MB_ICONERROR);
KA_EXIT(0);
}
//get the contents of the file
std::ifstream file(resolved_path);
std::string token;
std::string thash;
std::getline(file, token);
auto exec = [&](const char* cmd) -> std::string
{
uint16_t line = -1;
std::array<char, 128> buffer;
std::string result;
std::unique_ptr<FILE, decltype(&_pclose)> pipe(_popen(cmd, "r"), _pclose);
if (!pipe) {
throw std::runtime_error(XorStr("popen() failed!"));
}
while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) {
result = buffer.data();
}
return result;
};
thash = exec(("certutil -hashfile \"" + resolved_path + XorStr("\" MD5 | find /i /v \"md5\" | find /i /v \"certutil\"")).c_str());
data += XorStr("&token=").c_str() + token;
data += XorStr("&thash=").c_str() + resolved_path;
}
// curl was only used for escape above
auto response = req(data, get_url());
if (response == XorStr("KeyAuth_Invalid").c_str()) {
MessageBoxA(0, XorStr("Application not found. Please copy strings directly from dashboard.").c_str(), NULL, MB_ICONERROR);
KA_EXIT(0);
}
std::hash<int> hasher;
int expectedHash = hasher(42);
// 4 lines down, used for debug
/*std::cout << "[DEBUG] Preparing to verify payload..." << std::endl;
std::cout << "[DEBUG] Signature: " << signature << std::endl;
std::cout << "[DEBUG] Timestamp: " << signatureTimestamp << std::endl;
std::cout << "[DEBUG] Raw body: " << response << std::endl;*/
if (signature.empty() || signatureTimestamp.empty()) { // used for debug
std::cerr << "[ERROR] Signature or timestamp is empty. Cannot verify." << std::endl;
MessageBoxA(0, "Missing signature headers in response", "KeyAuth", MB_ICONERROR);
exit(99); // Temporary debug exit code
}
int result = VerifyPayload(signature, signatureTimestamp, response.data());
if ((hasher(result ^ 0xA5A5) & 0xFFFF) == (expectedHash & 0xFFFF))
{
auto json = response_decoder.parse(response);
if (json[(XorStr("ownerid"))] != get_ownerid()) {
KA_EXIT(8);
}
std::string message = json[(XorStr("message"))];
load_response_data(json);
std::hash<int> hasher;
size_t expectedHash = hasher(68);
size_t resultCode = hasher(json[(XorStr("code"))]);
if (!json[(XorStr("success"))] || (json[(XorStr("success"))] && (resultCode == expectedHash))) {
if (json[(XorStr("success"))])
{
if (json[(XorStr("newSession"))]) {
Sleep(100);
}
sessionid = json[(XorStr("sessionid"))];
initialized = true;
load_app_data(json[(XorStr("appinfo"))]);
}
else if (json[(XorStr("message"))] == XorStr("invalidver"))
{
std::string dl = json[(XorStr("download"))];
api::app_data.downloadLink = json[XorStr("download")];
if (dl == "")
{
MessageBoxA(0, XorStr("Version in the loader does match the one on the dashboard, and the download link on dashboard is blank.\n\nTo fix this, either fix the loader so it matches the version on the dashboard. Or if you intended for it to have different versions, update the download link on dashboard so it will auto-update correctly.").c_str(), NULL, MB_ICONERROR);
}
else
{
ShellExecuteA(0, XorStr("open").c_str(), dl.c_str(), 0, 0, SW_SHOWNORMAL);
}
KA_EXIT(0);
}
}
else {
KA_EXIT(9);
}
}
else {
KA_EXIT(7);
}
}
size_t write_callback(void* contents, size_t size, size_t nmemb, void* userp) {
((std::string*)userp)->append((char*)contents, size * nmemb);
return size * nmemb;
}
// Callback function to handle headers
size_t header_callback(char* buffer, size_t size, size_t nitems, void* userdata) {
size_t totalSize = size * nitems;
std::string header(buffer, totalSize);
if (header.empty())
return totalSize;
// trim CRLF
while (!header.empty() && (header.back() == '\r' || header.back() == '\n')) {
header.pop_back();
}
const auto colon = header.find(':');
if (colon == std::string::npos)
return totalSize;
std::string key = header.substr(0, colon);
std::string value = header.substr(colon + 1);
while (!value.empty() && (value.front() == ' ' || value.front() == '\t')) {
value.erase(value.begin());
}
std::transform(key.begin(), key.end(), key.begin(), ::tolower);
auto* sig = static_cast<SignatureHeaders*>(userdata);
if (sig) {
if (key == "x-signature-ed25519") {
sig->signature = value;
}
if (key == "x-signature-timestamp") {
sig->timestamp = value;
}
}
return totalSize;
}
void KeyAuth::api::login(std::string username, std::string password, std::string code)
{
checkInit();
ScopeWipe wipe_user(username);
ScopeWipe wipe_pass(password);
ScopeWipe wipe_code(code);
std::string hwid = utils::get_hwid();
auto data =
XorStr("type=login") +
XorStr("&username=") + username +
XorStr("&pass=") + password +
XorStr("&code=") + code +
XorStr("&hwid=") + hwid +
XorStr("&sessionid=") + sessionid +
XorStr("&name=") + get_name() +
XorStr("&ownerid=") + get_ownerid();
auto response = req(data, get_url());
//std::cout << "[DEBUG] Login response: " << response << std::endl;
std::hash<int> hasher;
int expectedHash = hasher(42);
int result = VerifyPayload(signature, signatureTimestamp, response.data());
if ((hasher(result ^ 0xA5A5) & 0xFFFF) == (expectedHash & 0xFFFF))
{
auto json = response_decoder.parse(response);
if (json[(XorStr("ownerid"))] != get_ownerid()) {
KA_EXIT(8);
}
std::string message = json[(XorStr("message"))];
std::hash<int> hasher;
size_t expectedHash = hasher(68);
size_t resultCode = hasher(json[(XorStr("code"))]);
//std::cout << "[DEBUG] Login response:" << response << std::endl;
if (!json[(XorStr("success"))] || (json[(XorStr("success"))] && (resultCode == expectedHash))) {
load_response_data(json);
if (json[(XorStr("success"))])
load_user_data(json[(XorStr("info"))]);
else
reset_auth_runtime();
if (api::response.message != XorStr("Initialized").c_str()) {
LI_FN(GlobalAddAtomA)(seed.c_str());
std::string file_path = XorStr("C:\\ProgramData\\").c_str() + seed;
std::ofstream file(file_path);
if (file.is_open()) {
file << seed;
file.close();
}
std::string regPath = XorStr("Software\\").c_str() + seed;
HKEY hKey;
LONG result = RegCreateKeyExA(HKEY_CURRENT_USER, regPath.c_str(), 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL);
if (result == ERROR_SUCCESS) {
LI_FN(RegSetValueExA)(hKey, seed.c_str(), 0, REG_SZ, reinterpret_cast<const BYTE*>(seed.c_str()), seed.size() + 1);
LI_FN(RegCloseKey)(hKey);
}
LI_FN(GlobalAddAtomA)(get_ownerid().c_str());
mark_authenticated();
start_heartbeat(this);
}
else {
KA_EXIT(12);
}
}
else {
KA_EXIT(9);
}
}
else {
KA_EXIT(7);
}
}
void KeyAuth::api::chatget(std::string channel)
{
checkInit();
ScopeWipe wipe_channel(channel);
auto data =
XorStr("type=chatget") +
XorStr("&channel=") + channel +
XorStr("&sessionid=") + sessionid +
XorStr("&name=") + get_name() +
XorStr("&ownerid=") + get_ownerid();
auto response = req(data, get_url());
auto json = response_decoder.parse(response);
load_channel_data(json);
}
bool KeyAuth::api::chatsend(std::string message, std::string channel)
{
checkInit();
ScopeWipe wipe_message(message);
ScopeWipe wipe_channel(channel);
auto data =
XorStr("type=chatsend") +
XorStr("&message=") + message +
XorStr("&channel=") + channel +
XorStr("&sessionid=") + sessionid +
XorStr("&name=") + get_name() +
XorStr("&ownerid=") + get_ownerid();
auto response = req(data, get_url());
auto json = response_decoder.parse(response);
load_response_data(json);
return json[XorStr("success")];
}
void KeyAuth::api::changeUsername(std::string newusername)
{
checkInit();
ScopeWipe wipe_user(newusername);
auto data =
XorStr("type=changeUsername") +
XorStr("&newUsername=") + newusername +
XorStr("&sessionid=") + sessionid +
XorStr("&name=") + get_name() +
XorStr("&ownerid=") + get_ownerid();
auto response = req(data, get_url());
std::hash<int> hasher;
int expectedHash = hasher(42);
int result = VerifyPayload(signature, signatureTimestamp, response.data());
if ((hasher(result ^ 0xA5A5) & 0xFFFF) == (expectedHash & 0xFFFF))
{
auto json = response_decoder.parse(response);
if (json[(XorStr("ownerid"))] != get_ownerid()) {
KA_EXIT(8);
}
std::string message = json[(XorStr("message"))];
std::hash<int> hasher;
size_t expectedHash = hasher(68);
size_t resultCode = hasher(json[(XorStr("code"))]);
if (!json[(XorStr("success"))] || (json[(XorStr("success"))] && (resultCode == expectedHash))) {
load_response_data(json);
}
else {
KA_EXIT(9);
}
}
else {
KA_EXIT(7);
}
}
KeyAuth::api::Tfa& KeyAuth::api::enable2fa(std::string code)
{
checkInit();
KeyAuth::api::activate = true;
auto data =
XorStr("type=2faenable") +
XorStr("&code=") + code +
XorStr("&sessionid=") + sessionid +
XorStr("&name=") + get_name() +
XorStr("&ownerid=") + get_ownerid();
auto response = req(data, get_url());
auto json = response_decoder.parse(response);
if (json.contains("2fa")) {
api::response.success = json[XorStr("success")];
api::tfa.secret = json["2fa"]["secret_code"];
api::tfa.link = json["2fa"]["QRCode"];
}
else {
load_response_data(json);
}
return api::tfa;
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