在沙箱中添加了RegisterComApis函数声明,并在InitEnv函数中调用该函数以注册COM相关API。还更新了头文件以包含新函数的声明。
This commit is contained in:
@@ -1,6 +1,6 @@
|
||||
#include "sandbox.h"
|
||||
|
||||
#include "sandbox_callbacks.h"
|
||||
#include "sandbox_api_com.h"
|
||||
|
||||
// 在文件开头添加AllocateMemory函数的声明
|
||||
auto Sandbox::AllocateMemory(size_t size) -> uint64_t {
|
||||
@@ -656,6 +656,26 @@ auto Sandbox::SetupVirtualMachine() -> void {
|
||||
GetTeb32()->TlsSlots[i] = 0x1337;
|
||||
}
|
||||
}
|
||||
/*
|
||||
// 在InitEnv函数之前添加这个函数
|
||||
void Sandbox::RegisterComApis() {
|
||||
// 注册COM相关API
|
||||
_fakeApi coInitializeEx = {Api_CoInitializeEx, 2}; // pvReserved, dwCoInit
|
||||
_fakeApi coCreateInstance = {
|
||||
Api_CoCreateInstance, 5}; // rclsid, pUnkOuter, dwClsContext, riid, ppv
|
||||
_fakeApi variantInit = {Api_VariantInit, 1}; // pvarg
|
||||
_fakeApi variantClear = {Api_VariantClear, 1}; // pvarg
|
||||
_fakeApi sysAllocString = {Api_SysAllocString, 1}; // psz
|
||||
|
||||
// 将API添加到映射表中
|
||||
m_apiMap["CoInitializeEx"] = coInitializeEx;
|
||||
m_apiMap["CoCreateInstance"] = coCreateInstance;
|
||||
m_apiMap["VariantInit"] = variantInit;
|
||||
m_apiMap["VariantClear"] = variantClear;
|
||||
m_apiMap["SysAllocString"] = sysAllocString;
|
||||
}
|
||||
*/
|
||||
// 在InitEnv函数中调用RegisterComApis
|
||||
auto Sandbox::InitEnv(std::shared_ptr<BasicPeInfo> peInfo) -> void {
|
||||
m_peInfo = peInfo;
|
||||
if (cs_open(CS_ARCH_X86, peInfo->isX64 ? CS_MODE_64 : CS_MODE_32,
|
||||
|
||||
@@ -244,6 +244,9 @@ class Sandbox {
|
||||
m_lastImpRead = {address, imp};
|
||||
}
|
||||
|
||||
// 注册COM相关API
|
||||
void RegisterComApis();
|
||||
|
||||
private:
|
||||
std::shared_ptr<BasicPeInfo> m_peInfo;
|
||||
std::pair<uint64_t, std::shared_ptr<moudle_import>> m_lastImpRead;
|
||||
|
||||
182
ai_anti_malware/sandbox_api_com.cpp
Normal file
182
ai_anti_malware/sandbox_api_com.cpp
Normal file
@@ -0,0 +1,182 @@
|
||||
#include "sandbox.h"
|
||||
#include "sandbox_callbacks.h"
|
||||
#include "sandbox_api_winhttp.h"
|
||||
#include <tlhelp32.h>
|
||||
#include "sandbox_api_com.h"
|
||||
|
||||
// COM 初始化状态跟踪
|
||||
static bool g_comInitialized = false;
|
||||
|
||||
// 计划任务COM组件具体实现
|
||||
class TaskServiceImpl : public TaskServiceSimulator {
|
||||
private:
|
||||
ULONG m_refCount = 1;
|
||||
|
||||
public:
|
||||
HRESULT QueryInterface(REFIID riid, void** ppv) override {
|
||||
// 这里只模拟基本的ITaskService接口
|
||||
*ppv = this;
|
||||
AddRef();
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
ULONG AddRef() override { return ++m_refCount; }
|
||||
|
||||
ULONG Release() override {
|
||||
ULONG ref = --m_refCount;
|
||||
if (ref == 0) {
|
||||
delete this;
|
||||
}
|
||||
return ref;
|
||||
}
|
||||
|
||||
HRESULT Connect(VARIANT ServerName, VARIANT User, VARIANT Domain,
|
||||
VARIANT Password) override {
|
||||
// 模拟连接成功
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
HRESULT GetFolder(BSTR path, ITaskFolder** ppFolder) override {
|
||||
// 模拟获取文件夹成功
|
||||
*ppFolder = nullptr; // 实际使用时需要创建ITaskFolder实现
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
HRESULT NewTask(DWORD flags, ITaskDefinition** ppDefinition) override {
|
||||
// 模拟创建新任务成功
|
||||
*ppDefinition = nullptr; // 实际使用时需要创建ITaskDefinition实现
|
||||
return S_OK;
|
||||
}
|
||||
};
|
||||
|
||||
// COM 组件工厂实现
|
||||
bool ComObjectFactory::IsTaskSchedulerCLSID(const CLSID& clsid) {
|
||||
// 检查是否是Task Scheduler 2.0 的CLSID
|
||||
static const CLSID CLSID_TaskScheduler = {
|
||||
0x0f87369f,
|
||||
0xa4e5,
|
||||
0x4cfc,
|
||||
{0xbd, 0x3e, 0x73, 0xe6, 0x15, 0x45, 0x72, 0xdd}};
|
||||
|
||||
return IsEqualCLSID(clsid, CLSID_TaskScheduler);
|
||||
}
|
||||
|
||||
ComObjectSimulator* ComObjectFactory::CreateInstance(const CLSID& clsid) {
|
||||
if (IsTaskSchedulerCLSID(clsid)) {
|
||||
return new TaskServiceImpl();
|
||||
}
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
// COM API 实现
|
||||
void Api_CoInitializeEx(void* sandbox, uc_engine* uc, uint64_t address) {
|
||||
Sandbox* sb = static_cast<Sandbox*>(sandbox);
|
||||
|
||||
// 获取参数
|
||||
uint32_t pvReserved = 0;
|
||||
uint32_t dwCoInit = 0;
|
||||
uc_mem_read(uc, address + 4, &pvReserved, sizeof(pvReserved));
|
||||
uc_mem_read(uc, address + 8, &dwCoInit, sizeof(dwCoInit));
|
||||
|
||||
// 设置COM初始化状态
|
||||
g_comInitialized = true;
|
||||
|
||||
// 返回成功
|
||||
uc_reg_write(uc, UC_X86_REG_EAX, &(uint32_t){S_OK});
|
||||
}
|
||||
|
||||
void Api_CoCreateInstance(void* sandbox, uc_engine* uc, uint64_t address) {
|
||||
Sandbox* sb = static_cast<Sandbox*>(sandbox);
|
||||
|
||||
if (!g_comInitialized) {
|
||||
uint32_t result = CO_E_NOTINITIALIZED;
|
||||
uc_reg_write(uc, UC_X86_REG_EAX, &result);
|
||||
return;
|
||||
}
|
||||
|
||||
// 获取参数
|
||||
CLSID rclsid;
|
||||
uint32_t pUnkOuter = 0;
|
||||
uint32_t dwClsContext = 0;
|
||||
IID riid;
|
||||
uint32_t ppv = 0;
|
||||
|
||||
uc_mem_read(uc, address + 4, &rclsid, sizeof(rclsid));
|
||||
uc_mem_read(uc, address + 20, &pUnkOuter, sizeof(pUnkOuter));
|
||||
uc_mem_read(uc, address + 24, &dwClsContext, sizeof(dwClsContext));
|
||||
uc_mem_read(uc, address + 28, &riid, sizeof(riid));
|
||||
uc_mem_read(uc, address + 44, &ppv, sizeof(ppv));
|
||||
|
||||
// 创建COM对象
|
||||
ComObjectSimulator* obj = ComObjectFactory::CreateInstance(rclsid);
|
||||
if (obj == nullptr) {
|
||||
uint32_t result = CLASS_E_CLASSNOTAVAILABLE;
|
||||
uc_reg_write(uc, UC_X86_REG_EAX, &result);
|
||||
return;
|
||||
}
|
||||
|
||||
// 写入对象指针
|
||||
uint32_t objPtr = reinterpret_cast<uint32_t>(obj);
|
||||
uc_mem_write(uc, ppv, &objPtr, sizeof(objPtr));
|
||||
|
||||
uint32_t result = S_OK;
|
||||
uc_reg_write(uc, UC_X86_REG_EAX, &result);
|
||||
}
|
||||
|
||||
void Api_VariantInit(void* sandbox, uc_engine* uc, uint64_t address) {
|
||||
Sandbox* sb = static_cast<Sandbox*>(sandbox);
|
||||
|
||||
// 获取VARIANT指针
|
||||
uint32_t pvarg = 0;
|
||||
uc_mem_read(uc, address + 4, &pvarg, sizeof(pvarg));
|
||||
|
||||
// 初始化VARIANT结构体
|
||||
VARIANT v;
|
||||
VariantInit(&v);
|
||||
|
||||
// 写回初始化后的VARIANT
|
||||
uc_mem_write(uc, pvarg, &v, sizeof(VARIANT));
|
||||
|
||||
uint32_t result = S_OK;
|
||||
uc_reg_write(uc, UC_X86_REG_EAX, &result);
|
||||
}
|
||||
|
||||
void Api_VariantClear(void* sandbox, uc_engine* uc, uint64_t address) {
|
||||
Sandbox* sb = static_cast<Sandbox*>(sandbox);
|
||||
|
||||
// 获取VARIANT指针
|
||||
uint32_t pvarg = 0;
|
||||
uc_mem_read(uc, address + 4, &pvarg, sizeof(pvarg));
|
||||
|
||||
// 读取VARIANT结构体
|
||||
VARIANT v;
|
||||
uc_mem_read(uc, pvarg, &v, sizeof(VARIANT));
|
||||
|
||||
// 清理VARIANT
|
||||
VariantClear(&v);
|
||||
|
||||
// 写回清理后的VARIANT
|
||||
uc_mem_write(uc, pvarg, &v, sizeof(VARIANT));
|
||||
|
||||
uint32_t result = S_OK;
|
||||
uc_reg_write(uc, UC_X86_REG_EAX, &result);
|
||||
}
|
||||
|
||||
void Api_SysAllocString(void* sandbox, uc_engine* uc, uint64_t address) {
|
||||
Sandbox* sb = static_cast<Sandbox*>(sandbox);
|
||||
|
||||
// 获取字符串指针
|
||||
uint32_t psz = 0;
|
||||
uc_mem_read(uc, address + 4, &psz, sizeof(psz));
|
||||
|
||||
// 读取字符串
|
||||
wchar_t buffer[MAX_PATH];
|
||||
uc_mem_read(uc, psz, buffer, sizeof(buffer));
|
||||
|
||||
// 分配BSTR
|
||||
BSTR bstr = SysAllocString(buffer);
|
||||
|
||||
// 返回BSTR指针
|
||||
uint32_t result = reinterpret_cast<uint32_t>(bstr);
|
||||
uc_reg_write(uc, UC_X86_REG_EAX, &result);
|
||||
}
|
||||
52
ai_anti_malware/sandbox_api_com.h
Normal file
52
ai_anti_malware/sandbox_api_com.h
Normal file
@@ -0,0 +1,52 @@
|
||||
#pragma once
|
||||
#include <windows.h>
|
||||
#include <combaseapi.h>
|
||||
#include <unicorn/unicorn.h>
|
||||
#include "sandbox.h"
|
||||
|
||||
// 辅助函数声明
|
||||
void read_from_unicorn(uc_engine* uc, uint64_t address, void* buffer,
|
||||
size_t size);
|
||||
void write_to_unicorn(uc_engine* uc, uint64_t address, const void* buffer,
|
||||
size_t size);
|
||||
void set_return_value(uc_engine* uc, uint32_t value);
|
||||
|
||||
// COM 组件接口定义
|
||||
struct ITaskService;
|
||||
struct ITaskFolder;
|
||||
struct ITaskDefinition;
|
||||
struct IRegisteredTask;
|
||||
|
||||
// COM 组件模拟器基类
|
||||
class ComObjectSimulator {
|
||||
public:
|
||||
virtual ~ComObjectSimulator() = default;
|
||||
virtual HRESULT QueryInterface(REFIID riid, void** ppv) = 0;
|
||||
virtual ULONG AddRef() = 0;
|
||||
virtual ULONG Release() = 0;
|
||||
};
|
||||
|
||||
// 计划任务COM组件模拟器
|
||||
class TaskServiceSimulator : public ComObjectSimulator {
|
||||
public:
|
||||
virtual HRESULT Connect(VARIANT ServerName, VARIANT User, VARIANT Domain,
|
||||
VARIANT Password) = 0;
|
||||
virtual HRESULT GetFolder(BSTR path, ITaskFolder** ppFolder) = 0;
|
||||
virtual HRESULT NewTask(DWORD flags, ITaskDefinition** ppDefinition) = 0;
|
||||
};
|
||||
|
||||
// COM API 模拟函数声明
|
||||
void Api_CoInitializeEx(void* sandbox, uc_engine* uc, uint64_t address);
|
||||
void Api_CoCreateInstance(void* sandbox, uc_engine* uc, uint64_t address);
|
||||
void Api_VariantInit(void* sandbox, uc_engine* uc, uint64_t address);
|
||||
void Api_VariantClear(void* sandbox, uc_engine* uc, uint64_t address);
|
||||
void Api_SysAllocString(void* sandbox, uc_engine* uc, uint64_t address);
|
||||
|
||||
// COM 组件工厂
|
||||
class ComObjectFactory {
|
||||
public:
|
||||
static ComObjectSimulator* CreateInstance(const CLSID& clsid);
|
||||
|
||||
private:
|
||||
static bool IsTaskSchedulerCLSID(const CLSID& clsid);
|
||||
};
|
||||
Reference in New Issue
Block a user