From 42aca6ec696353724ac2a092f3b224f0ecc56506 Mon Sep 17 00:00:00 2001
From: Yimura <andreas.maerten@scarlet.be>
Date: Fri, 13 May 2022 18:26:15 +0200
Subject: [PATCH] feat(Protections): Added network group override protection

---
 BigBaseV2/src/hooking.cpp                      |  6 +++++-
 BigBaseV2/src/hooking.hpp                      |  4 ++++
 BigBaseV2/src/hooks/network_group_override.cpp | 18 ++++++++++++++++++
 BigBaseV2/src/pointers.cpp                     |  6 ++++++
 BigBaseV2/src/pointers.hpp                     |  3 +--
 5 files changed, 34 insertions(+), 3 deletions(-)
 create mode 100644 BigBaseV2/src/hooks/network_group_override.cpp

diff --git a/BigBaseV2/src/hooking.cpp b/BigBaseV2/src/hooking.cpp
index 47a85164..86dc38c0 100644
--- a/BigBaseV2/src/hooking.cpp
+++ b/BigBaseV2/src/hooking.cpp
@@ -37,7 +37,11 @@ namespace big
 		// Network Player Mgr Shutdown
 		m_network_player_mgr_shutdown_hook("NPMS", g_pointers->m_network_player_mgr_shutdown, &hooks::network_player_mgr_shutdown),
 
-		m_net_array_handler_hook("net_array_handler", g_pointers->m_net_array_handler, &hooks::net_array_handler),
+		// Network Group Override
+		m_network_group_override("NGO", g_pointers->m_network_group_override, &hooks::network_group_override),
+
+		// Net Array Handler
+		m_net_array_handler_hook("NAH", g_pointers->m_net_array_handler, &hooks::net_array_handler),
 
 		// Increment Stat Event
 		m_increment_stat_hook("ISE", g_pointers->m_increment_stat_event, &hooks::increment_stat_event),
diff --git a/BigBaseV2/src/hooking.hpp b/BigBaseV2/src/hooking.hpp
index 331b6ed3..46902d2e 100644
--- a/BigBaseV2/src/hooking.hpp
+++ b/BigBaseV2/src/hooking.hpp
@@ -42,6 +42,8 @@ namespace big
 
 		static void network_player_mgr_shutdown(CNetworkPlayerMgr* _this);
 
+		static void network_group_override(std::int64_t a1, std::int64_t a2, std::int64_t a3);
+
 		static bool net_array_handler(__int64 netArrayHandlerBaseMgr, CNetGamePlayer* a2, rage::datBitBuffer* datbitbuffer, unsigned int bytes_to_read, __int16 a5);
 
 		static void player_join(CNetworkObjectMgr* _this, CNetGamePlayer* net_player);
@@ -101,6 +103,8 @@ namespace big
 
 		detour_hook m_network_player_mgr_shutdown_hook;
 
+		detour_hook m_network_group_override;
+
 		detour_hook m_net_array_handler_hook;
 
 		detour_hook m_player_has_joined_hook;
diff --git a/BigBaseV2/src/hooks/network_group_override.cpp b/BigBaseV2/src/hooks/network_group_override.cpp
new file mode 100644
index 00000000..a29bd3d3
--- /dev/null
+++ b/BigBaseV2/src/hooks/network_group_override.cpp
@@ -0,0 +1,18 @@
+#include "hooking.hpp"
+
+namespace big
+{
+	// thanks ellisdudes :P
+	void hooks::network_group_override(std::int64_t a1, std::int64_t a2, std::int64_t a3)
+	{
+		if (a2 == 0 && (a3 == 103 || a3 == 0))
+		{
+			LOG(WARNING) << "Received SCRIPT_WORLD_STATE_EVENT crash from unknown attacker...";
+
+			return;
+		}
+		// original
+
+		return g_hooking->m_network_group_override.get_original<decltype(&network_group_override)>()(a1, a2, a3);
+	}
+}
\ No newline at end of file
diff --git a/BigBaseV2/src/pointers.cpp b/BigBaseV2/src/pointers.cpp
index 06a875a2..5933f4d1 100644
--- a/BigBaseV2/src/pointers.cpp
+++ b/BigBaseV2/src/pointers.cpp
@@ -248,6 +248,12 @@ namespace big
 		{
 			m_net_array_handler = ptr.sub(0x3C).as<PVOID>();
 		});
+
+		// Network Group Override
+		main_batch.add("NGO", "44 89 81 ? ? ? ? 89 91 ? ? ? ? C6 05", [this](memory::handle ptr)
+		{
+			m_network_group_override = ptr.as<PVOID>();
+		});
 		
 		main_batch.run(memory::module(nullptr));
 
diff --git a/BigBaseV2/src/pointers.hpp b/BigBaseV2/src/pointers.hpp
index bca086d7..49bec22a 100644
--- a/BigBaseV2/src/pointers.hpp
+++ b/BigBaseV2/src/pointers.hpp
@@ -44,12 +44,11 @@ namespace big
 		int* m_resolution_x;
 		int* m_resolution_y;
 
-		std::uint16_t* m_some_anticheat_thing{};
-
 		PVOID m_blame_explode;
 		PVOID m_model_spawn_bypass;
 		PVOID m_native_return;
 		PVOID m_is_dlc_present;
+		PVOID m_network_group_override;
 
 		PVOID m_error_screen{};