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Update loadup.hpp

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master
xerox 5 years ago
parent eca3dd5d17
commit 01e5b87901
1 changed files with 150 additions and 149 deletions
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299
loadup.hpp
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@ -35,154 +35,154 @@ using nt_unload_driver_t = NTSTATUS(__fastcall*)(PUNICODE_STRING);
namespace driver
{
namespace util
{
inline bool delete_service_entry(const std::string& service_name)
{
HKEY reg_handle;
static const std::string reg_key("System\\CurrentControlSet\\Services\\");
auto result = RegOpenKeyA(
HKEY_LOCAL_MACHINE,
reg_key.c_str(),
&reg_handle
);
RegCloseKey(reg_handle);
return ERROR_SUCCESS == RegDeleteKeyA(reg_handle, service_name.data());
}
inline bool create_service_entry(const std::string& drv_path, const std::string& service_name)
{
HKEY reg_handle;
std::string reg_key("System\\CurrentControlSet\\Services\\");
reg_key += service_name;
auto result = RegCreateKeyA(
HKEY_LOCAL_MACHINE,
reg_key.c_str(),
&reg_handle
);
if (result != ERROR_SUCCESS)
return false;
//
// set type to 1 (kernel)
//
constexpr std::uint8_t type_value = 1;
result = RegSetValueExA(
reg_handle,
"Type",
NULL,
REG_DWORD,
&type_value,
4u
);
if (result != ERROR_SUCCESS)
return false;
//
// set error control to 3
//
constexpr std::uint8_t error_control_value = 3;
result = RegSetValueExA(
reg_handle,
"ErrorControl",
NULL,
REG_DWORD,
&error_control_value,
4u
);
if (result != ERROR_SUCCESS)
return false;
//
// set start to 3
//
constexpr std::uint8_t start_value = 3;
result = RegSetValueExA(
reg_handle,
"Start",
NULL,
REG_DWORD,
&start_value,
4u
);
if (result != ERROR_SUCCESS)
return false;
//
// set image path to the driver on disk
//
result = RegSetValueExA(
reg_handle,
"ImagePath",
NULL,
REG_SZ,
(std::uint8_t*) drv_path.c_str(),
drv_path.size()
);
if (result != ERROR_SUCCESS)
return false;
return ERROR_SUCCESS == RegCloseKey(reg_handle);
}
// this function was coded by paracord: https://githacks.org/snippets/4#L94
inline bool enable_privilege(const std::wstring& privilege_name)
{
HANDLE token_handle = nullptr;
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token_handle))
return false;
LUID luid{};
if (!LookupPrivilegeValueW(nullptr, privilege_name.data(), &luid))
return false;
TOKEN_PRIVILEGES token_state{};
token_state.PrivilegeCount = 1;
token_state.Privileges[0].Luid = luid;
token_state.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if (!AdjustTokenPrivileges(token_handle, FALSE, &token_state, sizeof(TOKEN_PRIVILEGES), nullptr, nullptr))
return false;
CloseHandle(token_handle);
return true;
}
inline std::string get_service_image_path(const std::string& service_name)
{
HKEY reg_handle;
DWORD bytes_read;
char image_path[0xFF];
static const std::string reg_key("System\\CurrentControlSet\\Services\\");
auto result = RegOpenKeyA(
HKEY_LOCAL_MACHINE,
reg_key.c_str(),
&reg_handle
);
result = RegGetValueA(
reg_handle,
"ImagePath",
service_name.c_str(),
REG_SZ, NULL,
image_path,
&bytes_read
);
RegCloseKey(reg_handle);
return std::string(image_path);
}
}
namespace util
{
inline bool delete_service_entry(const std::string& service_name)
{
HKEY reg_handle;
static const std::string reg_key("System\\CurrentControlSet\\Services\\");
auto result = RegOpenKeyA(
HKEY_LOCAL_MACHINE,
reg_key.c_str(),
&reg_handle
);
return ERROR_SUCCESS == RegDeleteKeyA(reg_handle, service_name.data()) && ERROR_SUCCESS == RegCloseKey(reg_handle);;
}
inline bool create_service_entry(const std::string& drv_path, const std::string& service_name)
{
HKEY reg_handle;
std::string reg_key("System\\CurrentControlSet\\Services\\");
reg_key += service_name;
auto result = RegCreateKeyA(
HKEY_LOCAL_MACHINE,
reg_key.c_str(),
&reg_handle
);
if (result != ERROR_SUCCESS)
return false;
//
// set type to 1 (kernel)
//
constexpr std::uint8_t type_value = 1;
result = RegSetValueExA(
reg_handle,
"Type",
NULL,
REG_DWORD,
&type_value,
4u
);
if (result != ERROR_SUCCESS)
return false;
//
// set error control to 3
//
constexpr std::uint8_t error_control_value = 3;
result = RegSetValueExA(
reg_handle,
"ErrorControl",
NULL,
REG_DWORD,
&error_control_value,
4u
);
if (result != ERROR_SUCCESS)
return false;
//
// set start to 3
//
constexpr std::uint8_t start_value = 3;
result = RegSetValueExA(
reg_handle,
"Start",
NULL,
REG_DWORD,
&start_value,
4u
);
if (result != ERROR_SUCCESS)
return false;
//
// set image path to the driver on disk
//
result = RegSetValueExA(
reg_handle,
"ImagePath",
NULL,
REG_SZ,
(std::uint8_t*) drv_path.c_str(),
drv_path.size()
);
if (result != ERROR_SUCCESS)
return false;
return ERROR_SUCCESS == RegCloseKey(reg_handle);
}
// this function was coded by paracord: https://githacks.org/snippets/4#L94
inline bool enable_privilege(const std::wstring& privilege_name)
{
HANDLE token_handle = nullptr;
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token_handle))
return false;
LUID luid{};
if (!LookupPrivilegeValueW(nullptr, privilege_name.data(), &luid))
return false;
TOKEN_PRIVILEGES token_state{};
token_state.PrivilegeCount = 1;
token_state.Privileges[0].Luid = luid;
token_state.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if (!AdjustTokenPrivileges(token_handle, FALSE, &token_state, sizeof(TOKEN_PRIVILEGES), nullptr, nullptr))
return false;
CloseHandle(token_handle);
return true;
}
inline std::string get_service_image_path(const std::string& service_name)
{
HKEY reg_handle;
DWORD bytes_read;
char image_path[0xFF];
static const std::string reg_key("System\\CurrentControlSet\\Services\\");
auto result = RegOpenKeyA(
HKEY_LOCAL_MACHINE,
reg_key.c_str(),
&reg_handle
);
result = RegGetValueA(
reg_handle,
service_name.c_str(),
"ImagePath",
REG_SZ,
NULL,
image_path,
&bytes_read
);
RegCloseKey(reg_handle);
return std::string(image_path);
}
}
inline bool load(const std::string& drv_path, const std::string& service_name)
{
if (!util::enable_privilege(L"SeLoadDriverPrivilege"))
@ -266,7 +266,8 @@ namespace driver
RtlAnsiStringToUnicodeString(&driver_reg_path_unicode, &driver_rep_path_cstr, true);
const bool unload_drv = !reinterpret_cast<nt_unload_driver_t>(lp_nt_unload_drv)(&driver_reg_path_unicode);
const bool delete_drv = std::filesystem::remove(util::get_service_image_path(service_name));
const auto image_path = util::get_service_image_path(service_name);
const bool delete_drv = std::filesystem::remove(image_path);
const bool delete_reg = util::delete_service_entry(service_name);
return unload_drv && delete_drv && delete_reg;

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