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Sigscanner bypass (#703)

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maybegreat48 2022-12-15 11:38:03 +00:00 committed by GitHub
parent 795929f96c
commit b5b8a7b431
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 19 additions and 17 deletions
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1
src/backend/backend.cpp
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@ -14,7 +14,6 @@ namespace big
while (g_running)
{
g->attempt_save();
// looped::system_disable_sigscanner();
looped::system_self_globals();
looped::system_update_pointers();
looped::system_desync_kick_protection();

1
src/backend/looped/looped.hpp
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@ -41,7 +41,6 @@ namespace big
static void session_randomize_ceo_colors();
static void session_auto_kick_host();
static void system_disable_sigscanner();
static void system_self_globals();
static void system_update_pointers();
static void system_desync_kick_protection();

15
src/backend/looped/system/disable_sigscanner.cpp
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@ -1,15 +0,0 @@
#include "backend/looped/looped.hpp"
#include "pointers.hpp"
#include "rage/atSingleton.hpp"
#include "security/RageSecurity.hpp"
namespace big
{
void looped::system_disable_sigscanner()
{
if (g_pointers->m_security->isValid())
{
g_pointers->m_security->getInstance()->m_interval = std::numeric_limits<std::uint32_t>::max();
}
}
}

2
src/hooking.hpp
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@ -132,6 +132,8 @@ namespace big
static bool write_bitbuffer_gamer_handle(rage::datBitBuffer* buffer, rage::rlGamerHandle* handle);
static bool read_bitbuffer_gamer_handle(rage::datBitBuffer* buffer, rage::rlGamerHandle* handle);
static int nt_query_virtual_memory(void* _this, HANDLE handle, PVOID base_addr, int info_class, MEMORY_BASIC_INFORMATION* info, int size, size_t* return_len);
};
class minhook_keepalive

10
src/hooks/misc/nt_query_virtual_memory.cpp Normal file
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@ -0,0 +1,10 @@
#include "hooking.hpp"
namespace big
{
int hooks::nt_query_virtual_memory(void* _this, HANDLE handle, PVOID base_addr, int info_class, MEMORY_BASIC_INFORMATION* info, int size, size_t* return_len)
{
LOG(INFO) << "Reached here, base addr: " << base_addr;
return 1;
}
}

7
src/pointers.cpp
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@ -3,6 +3,7 @@
#include "memory/all.hpp"
#include "rage/atSingleton.hpp"
#include "security/RageSecurity.hpp"
#include "hooking.hpp"
namespace big
{
@ -671,6 +672,12 @@ namespace big
m_invalid_decal_crash = ptr.add(1).rip().as<PVOID>();
});
// NTQVM Caller
main_batch.add("NTQVMC", "66 0F 6F 0D ? ? ? ? 66 0F 6F 05 ? ? ? ? 66 0F 66 C4", [this](memory::handle ptr)
{
memory::byte_patch::make(ptr.add(4).rip().sub(32).as<uint64_t*>(), (uint64_t)&hooks::nt_query_virtual_memory)->apply();
});
auto mem_region = memory::module("GTA5.exe");
main_batch.run(mem_region);