diff options
Diffstat (limited to 'csgo-loader/csgo-server')
| -rw-r--r-- | csgo-loader/csgo-server/Login/RemoteLogin.cpp | 8 | ||||
| -rw-r--r-- | csgo-loader/csgo-server/Login/RemoteLogin.hpp | 3 | ||||
| -rw-r--r-- | csgo-loader/csgo-server/Networking/TCPServer.cpp | 5 | ||||
| -rw-r--r-- | csgo-loader/csgo-server/RemoteCode/RemoteCodeServer.cpp | 47 | ||||
| -rw-r--r-- | csgo-loader/csgo-server/RemoteCode/RemoteCodeServer.hpp | 22 | ||||
| -rw-r--r-- | csgo-loader/csgo-server/RemoteCode/RemoteInjectionServer.hpp | 54 | ||||
| -rw-r--r-- | csgo-loader/csgo-server/Security/FnvHash.hpp | 100 | ||||
| -rw-r--r-- | csgo-loader/csgo-server/Server.cpp | 43 | ||||
| -rw-r--r-- | csgo-loader/csgo-server/Server.hpp | 34 | ||||
| -rw-r--r-- | csgo-loader/csgo-server/csgo-server.vcxproj | 4 | ||||
| -rw-r--r-- | csgo-loader/csgo-server/csgo-server.vcxproj.filters | 12 |
11 files changed, 224 insertions, 108 deletions
diff --git a/csgo-loader/csgo-server/Login/RemoteLogin.cpp b/csgo-loader/csgo-server/Login/RemoteLogin.cpp index b9ee44b..83ab4a7 100644 --- a/csgo-loader/csgo-server/Login/RemoteLogin.cpp +++ b/csgo-loader/csgo-server/Login/RemoteLogin.cpp @@ -1,6 +1,8 @@ #include <Login/RemoteLogin.hpp>
-#define EXPECTED_CLIENT_HEADER 0xDEADBEEF
+// Change this whenever a major server update is made.
+// NOTE: You must change this on the client as well.
+#define EXPECTED_CLIENT_HEADER 0x62746324
namespace Login
{
@@ -10,7 +12,7 @@ namespace Login return false;
// Epic direct casts :---DDDD
- m_Header = *reinterpret_cast<RemoteLoginHeader *>(&RawLoginHeader[0]);
+ m_Header = *(RemoteLoginHeader *)(&RawLoginHeader[0]);
return true;
}
@@ -35,7 +37,7 @@ namespace Login {
// TODO: Shadow ban the user.
- return RemoteLoginResponse::INVALID_HARDWARE;
+ return RemoteLoginResponse::INTEGRITY_FAILURE;
}
// TODO: Check if the HWID is present in DB.
diff --git a/csgo-loader/csgo-server/Login/RemoteLogin.hpp b/csgo-loader/csgo-server/Login/RemoteLogin.hpp index 5b31db1..f69e588 100644 --- a/csgo-loader/csgo-server/Login/RemoteLogin.hpp +++ b/csgo-loader/csgo-server/Login/RemoteLogin.hpp @@ -60,6 +60,9 @@ namespace Login ByteArray GetResponse();
+ // Expose the header for use with other classes.
+ RemoteLoginHeader GetHeader() { return m_Header; }
+
// TODO: Implement shadow banning based on IP and HWID.
};
}
\ No newline at end of file diff --git a/csgo-loader/csgo-server/Networking/TCPServer.cpp b/csgo-loader/csgo-server/Networking/TCPServer.cpp index b6bc3bd..dbd109d 100644 --- a/csgo-loader/csgo-server/Networking/TCPServer.cpp +++ b/csgo-loader/csgo-server/Networking/TCPServer.cpp @@ -127,7 +127,10 @@ namespace Networking // Detach a thread to handle the connection.
std::thread thread([&]
{
- m_ConnectionHandler(Connection);
+ // smol fix :^)
+ if(m_ConnectionHandler)
+ m_ConnectionHandler(Connection);
+
Connection.Close();
});
thread.detach();
diff --git a/csgo-loader/csgo-server/RemoteCode/RemoteCodeServer.cpp b/csgo-loader/csgo-server/RemoteCode/RemoteCodeServer.cpp index daa42ae..65a4306 100644 --- a/csgo-loader/csgo-server/RemoteCode/RemoteCodeServer.cpp +++ b/csgo-loader/csgo-server/RemoteCode/RemoteCodeServer.cpp @@ -2,52 +2,5 @@ namespace RemoteCode
{
- ByteArray Shellcode = {
- // TODO: Add shellcode.
- };
- bool RemoteCodeServer::Start(ByteArray &Parameters)
- {
- RemoteCodeParameters CodeParams = *(RemoteCodeParameters *)&Parameters[0];
-
- // Check if the header is valid.
- if((!CodeParams.m_EndSceneVmt || !CodeParams.m_OriginalEndScene) ||
- (CodeParams.m_EntryPoint || CodeParams.m_CheatHeader))
- {
- // TODO: Ban user (probably using fake client)
- return false;
- }
-
- // Set up shellcode.
- m_CustomCode.insert(
- m_CustomCode.begin(),
- Shellcode.begin(),
- Shellcode.end()
- );
-
- // TODO: Set up pointers in shellcode.
-
- return true;
- }
-
- uintptr_t RemoteCodeServer::GetOffsetByPattern(ByteArray &Data, ByteArray Pattern)
- {
- if(Data.empty())
- return uintptr_t{};
-
- ByteArray::iterator Position = std::search(
- Data.begin(),
- Data.end(),
- Pattern.begin(),
- Pattern.end()
- );
-
- if(Position != Data.end())
- return (uintptr_t)std::distance(Data.begin(), Position);
-
- return uintptr_t{};
- }
-
- // is this loss?
- ByteArray RemoteCodeServer::GetShellcode() { return m_CustomCode; }
}
\ No newline at end of file diff --git a/csgo-loader/csgo-server/RemoteCode/RemoteCodeServer.hpp b/csgo-loader/csgo-server/RemoteCode/RemoteCodeServer.hpp index dde8b7d..3a31cb4 100644 --- a/csgo-loader/csgo-server/RemoteCode/RemoteCodeServer.hpp +++ b/csgo-loader/csgo-server/RemoteCode/RemoteCodeServer.hpp @@ -8,30 +8,8 @@ using ByteArray = std::vector<uint8_t>; namespace RemoteCode
{
- struct RemoteCodeParameters
- {
- uintptr_t m_EndSceneVmt;
- uintptr_t m_OriginalEndScene;
- uintptr_t m_EntryPoint;
- uintptr_t m_CheatHeader;
- uintptr_t m_VirtualProtect;
- };
-
class RemoteCodeServer
{
- ByteArray m_CustomCode;
-
- // swoo
- uintptr_t GetOffsetByPattern(ByteArray &Data, ByteArray Pattern);
-
- public:
- RemoteCodeServer() = default;
-
- // Send client the prepared shellcode.
- // This will also send the original and vmt address of endscene.
- bool Start(ByteArray &Parameters);
- // Get the response for the client
- ByteArray GetShellcode();
};
}
\ No newline at end of file diff --git a/csgo-loader/csgo-server/RemoteCode/RemoteInjectionServer.hpp b/csgo-loader/csgo-server/RemoteCode/RemoteInjectionServer.hpp index f8f7274..3a975f7 100644 --- a/csgo-loader/csgo-server/RemoteCode/RemoteInjectionServer.hpp +++ b/csgo-loader/csgo-server/RemoteCode/RemoteInjectionServer.hpp @@ -1,11 +1,63 @@ #pragma once
#include <windows.h>
+#include <cstdint>
+#include <vector>
+
+using ByteArray = std::vector<uint8_t>;
namespace RemoteCode
{
- class RemoteInjectionServer
+ // What the server sends to the client upon transaction start.
+ struct RemoteServerHeader
{
+ // Does the cheat support the DirectX thread execution exploit?
+ bool m_ThreadExploitSupported;
+
+ // This will be used for allocating the remote memory.
+ uintptr_t m_SizeOfImage;
+
+ // OPTIONAL: The cheat might be using the DllMain function
+ // to do injection. Make sure to call that.
+ uintptr_t m_EntryPoint;
+
+ // OPTIONAL: The cheat might be using TLS callbacks to
+ // do injection. Make sure to call that.
+ uintptr_t m_TlsCallbackDirectory;
+ };
+
+ // Requests supported by the server.
+ // These are stored in a vector and later looked up.
+ struct RemoteServerRequest
+ {
+ // Hash to look up requests by.
+ uint64_t m_LookupHash;
+
+ // Name printed on the console when a user injects.
+ char m_DebugName[128];
+
+ // File name that's used to load the DLL server-side.
+ char m_FileName[260];
+ // Does the cheat support the DirectX exploit for creating threads?
+ bool m_ThreadExploitSupported;
};
+
+ // The initial header we receive from the client.
+ struct RemoteClientRequest
+ {
+ uint64_t m_LookupHash;
+ };
+
+ // The response we receive from the client upon transaction start.
+ struct RemoteClientHeader
+ {
+ // Address of remote allocation.
+ uintptr_t m_RemoteAddress;
+
+ // Up to six remote modules.
+ // NOTE: Stop iterating once a module is NULL.
+ uintptr_t m_RemoteModules[6];
+ };
+
}
\ No newline at end of file diff --git a/csgo-loader/csgo-server/Security/FnvHash.hpp b/csgo-loader/csgo-server/Security/FnvHash.hpp new file mode 100644 index 0000000..35c9ad0 --- /dev/null +++ b/csgo-loader/csgo-server/Security/FnvHash.hpp @@ -0,0 +1,100 @@ +#pragma once
+#include <cstdint>
+#include <type_traits>
+
+// Credits: namazso
+// Implements FNV-1a hash algorithm
+namespace detail
+{
+ template <typename Type, Type OffsetBasis, Type Prime>
+ struct SizeDependantData
+ {
+ using type = Type;
+
+ constexpr static auto k_offset_basis = OffsetBasis;
+ constexpr static auto k_prime = Prime;
+ };
+
+ template <std::size_t Bits>
+ struct SizeSelector : std::false_type {};
+
+ template <>
+ struct SizeSelector<32> : SizeDependantData<std::uint32_t, 0x811c9dc5ul, 16777619ul> {};
+
+ template <>
+ struct SizeSelector<64> : SizeDependantData<std::uint64_t, 0xcbf29ce484222325ull, 1099511628211ull> {};
+
+ template <std::size_t Size>
+ class FnvHash
+ {
+ private:
+ using data_t = SizeSelector<Size>;
+
+ public:
+ using hash = typename data_t::type;
+
+ private:
+ constexpr static auto k_offset_basis = data_t::k_offset_basis;
+ constexpr static auto k_prime = data_t::k_prime;
+
+ public:
+ static __forceinline constexpr auto hash_init(
+ ) -> hash
+ {
+ return k_offset_basis;
+ }
+
+ static __forceinline constexpr auto hash_byte(
+ hash current,
+ std::uint8_t byte
+ ) -> hash
+ {
+ return (current ^ byte) * k_prime;
+ }
+
+ template <std::size_t N>
+ static __forceinline constexpr auto hash_constexpr(
+ const char(&str)[N],
+ const std::size_t size = N - 1 /* do not hash the null */
+ ) -> hash
+ {
+ const auto prev_hash = size == 1 ? hash_init() : hash_constexpr(str, size - 1);
+ const auto cur_hash = hash_byte(prev_hash, str[size - 1]);
+ return cur_hash;
+ }
+
+ static auto __forceinline hash_runtime_data(
+ const void* data,
+ const std::size_t sz
+ ) -> hash
+ {
+ const auto bytes = static_cast<const uint8_t*>(data);
+ const auto end = bytes + sz;
+ auto result = hash_init();
+ for(auto it = bytes; it < end; ++it)
+ result = hash_byte(result, *it);
+
+ return result;
+ }
+
+ static auto __forceinline hash_runtime(
+ const char* str
+ ) -> hash
+ {
+ auto result = hash_init();
+ do
+ result = hash_byte(result, *str++);
+ while(*str != '\0');
+
+ return result;
+ }
+ };
+}
+
+using fnv32 = ::detail::FnvHash<32>;
+using fnv64 = ::detail::FnvHash<64>;
+using fnv = ::detail::FnvHash<sizeof(void*) * 8>;
+
+#define FNV(str) (std::integral_constant<fnv::hash, fnv::hash_constexpr(str)>::value)
+#define FNV32(str) (std::integral_constant<fnv32::hash, fnv32::hash_constexpr(str)>::value)
+#define FNV64(str) (std::integral_constant<fnv64::hash, fnv64::hash_constexpr(str)>::value)
\ No newline at end of file diff --git a/csgo-loader/csgo-server/Server.cpp b/csgo-loader/csgo-server/Server.cpp index ada748b..d71a758 100644 --- a/csgo-loader/csgo-server/Server.cpp +++ b/csgo-loader/csgo-server/Server.cpp @@ -1,41 +1,24 @@ -#include <Networking/TCPServer.hpp>
-#include <Login/RemoteLogin.hpp>
+#include <Server.hpp>
-// ik inda like penigs tbh
-void ConnectionHandler(Networking::TCPConnection &Connection)
+int __stdcall WinMain(HINSTANCE, HINSTANCE, char*, int)
{
- Login::RemoteLoginServer LoginServer;
+ // Open a debugging console.
+ Utils::OpenConsole();
- ByteArray RawLoginHeader = Connection.ReceiveBytes();
- LoginServer.Start(RawLoginHeader);
-
- ByteArray RawServerResponse = LoginServer.GetResponse();
- Connection.SendBytes(RawServerResponse);
-}
-
-
-// cIUT <Y :LIFE INOT MAPIECES
-// THJIS IS MYLEAST REAPSPONTRE
-int main()
-{
- Networking::TCPServer Server;
// Create an instance of the TCP server.
- if(!Server.Start(3884))
- {
- printf("[FAIL] Failed to initialise server. (%08lx)\n", WSAGetLastError());
- system("pause");
- return 1;
- }
+ Networking::TCPServer Server;
- // Add a connection handler to the server.
- Server += ConnectionHandler;
+ bool Result = Server.Start(SERVER_PORT);
- // Accept incoming connections.
- while(true)
+ if(Result)
{
- Server.AcceptConnection();
+ for(;;)
+ Server.AcceptConnection();
}
- return 0;
+ if(!Result)
+ printf("[FAIL] Failed to initialise server. (%08lx)\n", WSAGetLastError());
+
+ system("pause");
}
\ No newline at end of file diff --git a/csgo-loader/csgo-server/Server.hpp b/csgo-loader/csgo-server/Server.hpp new file mode 100644 index 0000000..5a5b3f6 --- /dev/null +++ b/csgo-loader/csgo-server/Server.hpp @@ -0,0 +1,34 @@ +#pragma once
+
+// NOTE:
+// THE FOLLOWING MACROS ARE USED ONLY IN SERVER.CPP
+// PLEASE UPDATE THEM ACCORDINGLY.
+#define SERVER_PORT 0xF2C // Hexadecimal representation of the server port.
+
+// Core functionality
+#include <Networking/TCPServer.hpp>
+#include <Networking/WebSocket.hpp>
+
+// Loader functionality
+#include <Login/RemoteLogin.hpp>
+
+#include <RemoteCode/FileReader.hpp>
+#include <RemoteCode/RemoteInjectionServer.hpp>
+#include <RemoteCode/RemoteCodeServer.hpp>
+
+// It looked nasty in Server.cpp, so I'm putting it here.
+namespace Utils
+{
+ inline void OpenConsole()
+ {
+ // Create instance of console.
+ AllocConsole();
+
+ // Allow console to access output stream.
+ FILE *file;
+ freopen_s(&file, "CONOUT$", "w", stdout);
+
+ // :^)
+ SetConsoleTitleA("moneyserver $");
+ }
+}
\ No newline at end of file diff --git a/csgo-loader/csgo-server/csgo-server.vcxproj b/csgo-loader/csgo-server/csgo-server.vcxproj index 71fe624..268a409 100644 --- a/csgo-loader/csgo-server/csgo-server.vcxproj +++ b/csgo-loader/csgo-server/csgo-server.vcxproj @@ -36,6 +36,8 @@ <ClInclude Include="RemoteCode\RemoteCodeServer.hpp" />
<ClInclude Include="RemoteCode\RemoteInjectionServer.hpp" />
<ClInclude Include="Security\Encryption.hpp" />
+ <ClInclude Include="Security\FnvHash.hpp" />
+ <ClInclude Include="Server.hpp" />
</ItemGroup>
<PropertyGroup Label="Globals">
<VCProjectVersion>15.0</VCProjectVersion>
@@ -118,6 +120,7 @@ </ClCompile>
<Link>
<UACExecutionLevel>RequireAdministrator</UACExecutionLevel>
+ <SubSystem>Windows</SubSystem>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -148,6 +151,7 @@ <EnableCOMDATFolding>true</EnableCOMDATFolding>
<OptimizeReferences>true</OptimizeReferences>
<UACExecutionLevel>RequireAdministrator</UACExecutionLevel>
+ <SubSystem>Windows</SubSystem>
</Link>
</ItemDefinitionGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
diff --git a/csgo-loader/csgo-server/csgo-server.vcxproj.filters b/csgo-loader/csgo-server/csgo-server.vcxproj.filters index 0d915d3..0adf29a 100644 --- a/csgo-loader/csgo-server/csgo-server.vcxproj.filters +++ b/csgo-loader/csgo-server/csgo-server.vcxproj.filters @@ -32,10 +32,10 @@ <Filter>RemoteCode</Filter>
</ClCompile>
<ClCompile Include="RemoteCode\RemoteCodeServer.cpp">
- <Filter>Networking</Filter>
+ <Filter>RemoteCode</Filter>
</ClCompile>
<ClCompile Include="RemoteCode\RemoteInjectionServer.cpp">
- <Filter>Networking</Filter>
+ <Filter>RemoteCode</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
@@ -55,10 +55,14 @@ <Filter>RemoteCode</Filter>
</ClInclude>
<ClInclude Include="RemoteCode\RemoteCodeServer.hpp">
- <Filter>Networking</Filter>
+ <Filter>RemoteCode</Filter>
</ClInclude>
<ClInclude Include="RemoteCode\RemoteInjectionServer.hpp">
- <Filter>Networking</Filter>
+ <Filter>RemoteCode</Filter>
+ </ClInclude>
+ <ClInclude Include="Security\FnvHash.hpp">
+ <Filter>Security</Filter>
</ClInclude>
+ <ClInclude Include="Server.hpp" />
</ItemGroup>
</Project>
\ No newline at end of file |