Exemple #1
0
int main(int argc, char *argv[])
{
	HIJACK *hijack;
	FUNC *func;
	unsigned long addr;
	PLT *plts, *plt;
	
	if (argc != 2)
		usage(argv[0]);
	
	hijack = InitHijack();
    ToggleFlag(hijack, F_DEBUG);
    ToggleFlag(hijack, F_DEBUG_VERBOSE);
	AssignPid(hijack, atoi(argv[1]));
	
	if (Attach(hijack) != ERROR_NONE)
	{
		fprintf(stderr, "[-] Couldn't attach!\n");
		exit(EXIT_FAILURE);
	}

	if (LocateAllFunctions(hijack) != ERROR_NONE)
	{
		fprintf(stderr, "[-] Couldn't locate all functions!\n");
		exit(EXIT_FAILURE);
	}

	
	printf("[*] PLT/GOT @ 0x%016lx\n", hijack->pltgot);
	printf("[*] Baseaddr @ 0x%016lx\n", hijack->baseaddr);

#if 0
    for (func = hijack->funcs; func != NULL; func = func->next)
        printf("[+] %s %s: 0x%016lx\n", func->libname, func->name, func->vaddr);
#endif

	plts = GetAllPLTs(hijack);
	for (plt = plts; plt != NULL; plt = plt->next)
	{
		printf("[+] Looking in %s\n", plt->libname);

		for (func = hijack->funcs; func != NULL; func = func->next)
		{
			if (!(func->name))
				continue;
			
			addr = FindFunctionInGot(hijack, plt->p.ptr, func->vaddr);
			
			printf("[+]    %s\t%s @ 0x%016lx (%u)", func->libname, func->name, func->vaddr, func->sz);
			if (addr > 0)
				printf("        -> 0x%016lx", addr);
			
			printf("\n");
		}
	}

	Detach(hijack);
	
	return 0;
}
Exemple #2
0
int main(int argc, char *argv[])
{
	HIJACK *hijack;
	FUNC *func;
	unsigned long addr;
	PLT *plts, *plt;
	
	if (argc != 2)
		usage(argv[0]);
	
	hijack = InitHijack();
    ToggleFlag(hijack, F_DEBUG);
    ToggleFlag(hijack, F_DEBUG_VERBOSE);
	AssignPid(hijack, atoi(argv[1]));
	
	if (Attach(hijack) != ERROR_NONE)
	{
		fprintf(stderr, "[-] Couldn't attach!\n");
		exit(EXIT_FAILURE);
	}

	if (LocateAllFunctions(hijack) != ERROR_NONE)
	{
		fprintf(stderr, "[-] Couldn't locate all functions!\n");
		exit(EXIT_FAILURE);
	}

    if (LocateSystemCall(hijack) != ERROR_NONE) {
        fprintf(stderr, "[-] Couldn't locate system call!\n");
        exit(EXIT_FAILURE);
    }

    addr = MapMemory(hijack, NULL, 8192, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_SHARED);
    if (GetErrorCode(hijack) != ERROR_NONE) {
        fprintf(stderr, "[-] %s\n", GetErrorString(hijack));
        perror("ptrace");
    }
	
	printf("[*] PLT/GOT @ 0x%016lx\n", hijack->pltgot);
	printf("[*] Baseaddr @ 0x%016lx\n", hijack->baseaddr);
    printf("[*] Syscall @ 0x%016lx\n", hijack->syscalladdr);
    printf("[*] addr @ 0x%016lx\n", addr);

	Detach(hijack);
	
	return 0;
}
main()
{
   ToggleFlag();
}
int main(int argc, char *argv[])
{
	HIJACK *hijack;
	FUNC *funcs, *func;
	unsigned long shellcode_addr, filename_addr, dlopen_addr, dlsym_addr, funcname_addr, pltgot_addr;
	struct stat sb;
	char *shellcode, *p1;
	int fd;
	struct user_regs_struct *regs, *backup;
	
	if (argc != 5)
		usage(argv[0]);
	
	hijack = InitHijack();
    ToggleFlag(hijack, F_DEBUG);
    ToggleFlag(hijack, F_DEBUG_VERBOSE);
	AssignPid(hijack, atoi(argv[1]));
	
	if (Attach(hijack) != ERROR_NONE)
	{
		fprintf(stderr, "[-] Couldn't attach!\n");
		exit(EXIT_FAILURE);
	}
	backup = GetRegs(hijack);
	regs = malloc(sizeof(struct user_regs_struct));
	
	stat(argv[2], &sb);
	shellcode = malloc(sb.st_size);
	
	fd = open(argv[2], O_RDONLY);
	read(fd, shellcode, sb.st_size);
	close(fd);
	
	LocateAllFunctions(hijack);
	funcs = FindFunctionInLibraryByName(hijack, "/lib/libdl.so.2", "dlopen");
	if (!(funcs))
	{
		fprintf(stderr, "[-] Couldn't locate dlopen!\n");
		exit(EXIT_FAILURE);
	}
	dlopen_addr = funcs->vaddr;
	printf("dlopen_addr: 0x%08lx\n", dlopen_addr);
	
	funcs = FindFunctionInLibraryByName(hijack, "/lib/libdl.so.2", "dlsym");
	if (!(funcs))
	{
		fprintf(stderr, "[-] Couldn't locate dlsym!\n");
		exit(EXIT_FAILURE);
	}
	dlsym_addr = funcs->vaddr;
	printf("dlsym_addr: 0x%08lx\n", dlsym_addr);
	
	memcpy(regs, backup, sizeof(struct user_regs_struct));
	
	LocateSystemCall(hijack);
	filename_addr = MapMemory(hijack, (unsigned long)NULL, 4096,PROT_READ | PROT_EXEC | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE);
	
	memcpy(regs, backup, sizeof(struct user_regs_struct));
	
	p1 = memmem(shellcode, sb.st_size, "\x22\x22\x22\x22", 4);
	memcpy(p1, &filename_addr, 4);
	
	funcname_addr = filename_addr + strlen(argv[3]) + 1;
	shellcode_addr = funcname_addr + strlen(argv[4]) + 1;
	printf("filename_addr: 0x%08lx\n", filename_addr);
	printf("shellcode_addr: 0x%08lx\n", shellcode_addr);
	printf("esp: 0x%08lx\n", regs->esp);
	printf("eip: 0x%08lx\n", regs->eip);
	
	p1 = memmem(shellcode, sb.st_size, "\x33\x33\x33\x33", 4);
	memcpy(p1, &dlopen_addr, 4);
	
	p1 = memmem(shellcode, sb.st_size, "\x44\x44\x44\x44", 4);
	memcpy(p1, &funcname_addr, 4);
	
	p1 = memmem(shellcode, sb.st_size, "\x55\x55\x55\x55", 4);
	memcpy(p1, &dlsym_addr, 4);
	
	funcs = FindAllFunctionsByName(hijack, argv[4], false);
	for (func = funcs; func != NULL; func = func->next)
	{
		if (!(func->name))
			continue;
		
		pltgot_addr = FindFunctionInGot(hijack, hijack->pltgot, func->vaddr);
		if (pltgot_addr > 0)
			break;
	}
	
	printf("pltgot_addr: 0x%08lx\n", pltgot_addr);
	
	p1 = memmem(shellcode, sb.st_size, "\x66\x66\x66\x66", 4);
	memcpy(p1, &pltgot_addr, 4);
	
	WriteData(hijack, filename_addr, (unsigned char *)argv[3], strlen(argv[3]));
	WriteData(hijack, funcname_addr, (unsigned char *)argv[4], strlen(argv[4]));
	WriteData(hijack, shellcode_addr, (unsigned char *)shellcode, sb.st_size);
	
	regs->esp -= 4;
	SetRegs(hijack, regs);
	WriteData(hijack, regs->esp, &(regs->eip), 4);
	
	regs->eip = shellcode_addr;
	
	if (regs->orig_eax >= 0)
	{
		switch (regs->eax)
		{
			case -514: /* -ERESTARTNOHAND */
			case -512: /* -ERESTARTSYS */
			case -513: /* -ERESTARTNOINTR */
			case -516: /* -ERESTART_RESTARTBLOCK */
				regs->eip += 2;
				break;
		}
	}
	SetRegs(hijack, regs);
	
	Detach(hijack);
	
	return 0;
}
Exemple #5
0
DWORD
InterpretCommand(
    int argc,
    char *argv[],
    PLOG_CONTEXT Context
)
{
    int         parmIndex;
    CHAR       *parm;      
    BOOL        bResult;
    DWORD       result;
    DWORD       returnValue = SUCCESS;
    CHAR        buffer[BUFFER_SIZE];
    DWORD       bufferLength;
    DWORD       bytesReturned;

    //
    // Interpret the command line parameters
    //
    for (parmIndex = 0; parmIndex < argc; parmIndex++) {
        parm = argv[parmIndex];
        if (parm[0] == '/') {
            //
            // Have the beginning of a switch
            //
            switch (parm[1]) {
            case 'a':
            case 'A':
                //
                // Attach to the specified drive letter
                //
                parmIndex++;
                if (parmIndex >= argc) {
                    //
                    // Not enough parameters
                    //
                    goto InterpretCommand_Usage;
                }
                parm = argv[parmIndex];
                printf("\tAttaching to %s\n", parm);
                bufferLength = MultiByteToWideChar(
                    CP_ACP,
                    MB_ERR_INVALID_CHARS,
                    parm,
                    -1,
                    (LPWSTR)buffer,
                    BUFFER_SIZE/sizeof(WCHAR));
                
                bResult = DeviceIoControl(
                    Context->Device,
                    FILESPY_StartLoggingDevice,
                    buffer,
                    bufferLength * sizeof(WCHAR),
                    NULL,
                    0,
                    &bytesReturned,
                    NULL);
                if (!bResult) {
                    result = GetLastError();
                    printf("ERROR attaching to device...\n");
                    DisplayError( result );
                }
                
                break;

            case 'd':
            case 'D':
                //
                // Detach to the specified drive letter
                //
                parmIndex++;
                if (parmIndex >= argc) {
                    //
                    // Not enough parameters
                    //
                    goto InterpretCommand_Usage;
                }
                parm = argv[parmIndex];
                printf("\tDetaching from %s\n", parm);
                bufferLength = MultiByteToWideChar(
                    CP_ACP,
                    MB_ERR_INVALID_CHARS,
                    parm,
                    -1,
                    (LPWSTR)buffer,
                    BUFFER_SIZE/sizeof(WCHAR));
                
                bResult = DeviceIoControl(
                    Context->Device,
                    FILESPY_StopLoggingDevice,
                    buffer,
                    bufferLength * sizeof(WCHAR),
                    NULL,
                    0,
                    &bytesReturned,
                    NULL);
                
                if (!bResult) {
                    result = GetLastError();
                    printf("ERROR detaching to device...\n");
                    DisplayError( result );
                }
                break;
            
            case 'h':
            case 'H':
                ListHashStats(Context);
                break;

            case 'l':
            case 'L':
                //
                // List all devices that are currently being monitored
                //
                bResult = ListDevices(Context);
                if (!bResult) {
                    result = GetLastError();
                    printf("ERROR listing devices...\n");
                    DisplayError( result );
                }
                
                break;

            case 's':
            case 'S':
                //
                // Output logging results to screen, save new value to
                // instate when command interpreter is exited.
                //
                if (Context->NextLogToScreen) {
                    printf("\tTurning off logging to screen\n");
                } else {
                    printf("\tTurning on logging to screen\n");
                }
                Context->NextLogToScreen = !Context->NextLogToScreen;
                break;

            case 'f':
            case 'F':
                //
                // Output logging results to file
                //
                if (Context->LogToFile) {
                    printf("\tStop logging to file \n");
                    Context->LogToFile = FALSE;
                    _ASSERT(Context->OutputFile);
                    fclose(Context->OutputFile);
                    Context->OutputFile = NULL;
                } else {
                    parmIndex++;
                    if (parmIndex >= argc) {
                        // Not enough parameters
                        goto InterpretCommand_Usage;
                    }
                    parm = argv[parmIndex];
                    Context->OutputFile = fopen(parm, "w");

                    if (Context->OutputFile == NULL) {
                        result = GetLastError();
                        printf("\nERROR opening \"%s\"...\n",parm);
                        DisplayError( result );

                        returnValue = USAGE_ERROR;
                        goto InterpretCommand_Exit;
                    }
                    
                    Context->LogToFile = TRUE;
                    printf("\tLog to file %s\n", parm);
                }
                break;

            case 'v':
            case 'V':
                //
                // Toggle the specified verbosity flag.
                //
                parmIndex++;
                if (parmIndex >= argc) {
                    //
                    // Not enough parameters
                    //
                    goto InterpretCommand_Usage;
                }
                parm = argv[parmIndex];
                switch(parm[0]) {
                case 'p':
                case 'P':
                    ToggleFlag( Context->VerbosityFlags, FS_VF_DUMP_PARAMETERS );
                    break;

                default:                    
                    //
                    // Invalid switch, goto usage
                    //
                    goto InterpretCommand_Usage;
                }
                break;

            default:
                //
                // Invalid switch, goto usage
                //
                goto InterpretCommand_Usage;
            }
        } else {
            //
            // Look for "go" or "g" to see if we should exit interpreter
            //
            if (!_strnicmp(
                    parm, 
                    INTERPRETER_EXIT_COMMAND1, 
                    sizeof(INTERPRETER_EXIT_COMMAND1))) {
                returnValue = EXIT_INTERPRETER;
                goto InterpretCommand_Exit;
            }
            if (!_strnicmp(
                    parm, 
                    INTERPRETER_EXIT_COMMAND2, 
                    sizeof(INTERPRETER_EXIT_COMMAND2))) {
                returnValue = EXIT_INTERPRETER;
                goto InterpretCommand_Exit;
            }
            //
            // Look for "exit" to see if we should exit program
            //
            if (!_strnicmp(
                    parm, 
                    PROGRAM_EXIT_COMMAND, 
                    sizeof(PROGRAM_EXIT_COMMAND))) {
                returnValue = EXIT_PROGRAM;
                goto InterpretCommand_Exit;
            }
            //
            // Invalid parameter
            //
            goto InterpretCommand_Usage;
        }
    }

InterpretCommand_Exit:
    return returnValue;

InterpretCommand_Usage:
    printf("Valid switches: [/a <drive>] [/d <drive>] [/h] [/l] [/s] [/f [<file name>] [/v <flag>]]\n"
           "\t[/a <drive>] attaches monitor to <drive>\n"
           "\t[/d <drive>] detaches monitor from <drive>\n"
           "\t[/h] print filename hash statistics\n"
           "\t[/l] lists all the drives the monitor is currently attached to\n"
           "\t[/s] turns on and off showing logging output on the screen\n"
           "\t[/f [<file name>]] turns on and off logging to the specified file\n"
           "\t[/v <flag>] toggles a verbosity flag.  Valid verbosity flags are:\n"
           "\t\tp (dump irp parameters)\n"
           "If you are in command mode,\n"
           "\t[go|g] will exit command mode\n"
           "\t[exit] will terminate this program\n"
           );
    returnValue = USAGE_ERROR;
    goto InterpretCommand_Exit;
}
void wxSettableHeaderColumn::ChangeFlag(int flag, bool set)
{
    if ( HasFlag(flag) != set )
        ToggleFlag(flag);
}
Exemple #7
0
 void OnToggle3DSash(wxCommandEvent& event)
               { ToggleFlag(wxSP_3DSASH, event.IsChecked()); }
Exemple #8
0
 void OnToggleBorder(wxCommandEvent& event)
               { ToggleFlag(wxSP_BORDER, event.IsChecked()); }
Exemple #9
0
 void OnToggleLive(wxCommandEvent& event)
               { ToggleFlag(wxSP_LIVE_UPDATE, event.IsChecked()); }