/* *  Windows XP WEP key recovery program * *  Copyright (C) 2004,2005  Christophe Devine * *  This program is free software; you can redistribute it and/or modify *  it under the terms of the GNU General Public License as published by *  the Free Software Foundation; either version 2 of the License, or *  (at your option) any later version. * *  This program is distributed in the hope that it will be useful, *  but WITHOUT ANY WARRANTY; without even the implied warranty of *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *  GNU General Public License for more details. * *  You should have received a copy of the GNU General Public License *  along with this program; if not, write to the Free Software *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */#include <windows.h>#include <stdio.h>#include "console.h" int prompt_exit( int retval ){    int i;    printf( "\n  Keys have been stored in C:\\wepkeys.txt. Press Ctrl-C.\n" );    scanf( "%d", &i );    exit( retval );}int zero_key[32] ={    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};int xor_key[32] ={    0x56, 0x66, 0x09, 0x42, 0x08, 0x03, 0x98, 0x01,    0x4D, 0x67, 0x08, 0x66, 0x11, 0x56, 0x66, 0x09,    0x42, 0x08, 0x03, 0x98, 0x01, 0x4D, 0x67, 0x08,    0x66, 0x11, 0x56, 0x66, 0x09, 0x42, 0x08, 0x03};#define WZCSVC_LIST "Software\\Microsoft\\WZCSVC\\Parameters\\Interfaces"char ServiceName[] = "WZCOOK";char DisplayName[] = "WEP/WPA-PMK key recovery service";typedef struct{  DWORD cbData;  BYTE* pbData;}DATA_BLOB;typedef BOOL (WINAPI *PROC1)    (DATA_BLOB *,void *,void *,void *,     void *,void *,DATA_BLOB *);
char * filename = "c:\\wepkeys.txt";
void WINAPI myHandler( DWORD fdwControl ){    if( fdwControl == SERVICE_CONTROL_SHUTDOWN )    {        ExitProcess( 0 );    }}void WINAPI ServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ){    FILE *f_out;    char buffer[1024];    char keystr[1024];    int length, keytype, i;    int keyidx1, keyidx2;    HMODULE hCrypt32dll;    PROC1 CryptUnprotectData;    HKEY regkey_iface;    HKEY regkey_wzcsvc;    DATA_BLOB pIn, pOut;    SERVICE_STATUS_HANDLE sth;    SERVICE_STATUS status;    sth = RegisterServiceCtrlHandler( ServiceName, myHandler );    memset( &status, 0, sizeof( SERVICE_STATUS ) );    status.dwServiceType        = SERVICE_WIN32_OWN_PROCESS;    status.dwCurrentState       = SERVICE_RUNNING;    status.dwControlsAccepted   = SERVICE_ACCEPT_SHUTDOWN;    status.dwWin32ExitCode      = NO_ERROR;    SetServiceStatus( sth, &status );    if( ( f_out = fopen( filename, "w+" ) ) == NULL )        exit( 1 );    *stdin  = *f_out;    *stdout = *f_out;    *stderr = *f_out;    if( ! ( hCrypt32dll = LoadLibrary( "Crypt32.dll" ) ) )    {        printf( "  Fatal: LoadLibrary(Crypt32.dll) failed\n" );        exit( 1 );    }    if( ! ( CryptUnprotectData = (PROC1) GetProcAddress(                hCrypt32dll, "CryptUnprotectData" ) ) )    {        printf( "  Fatal: GetProcAddress(CryptUnprotectData) failed\n" );        exit( 1 );    }    if( RegOpenKey( HKEY_LOCAL_MACHINE, WZCSVC_LIST,                    &regkey_wzcsvc ) != ERROR_SUCCESS )    {        printf( "  Fatal: RegOpenKey(%s) failed\n", WZCSVC_LIST );        exit( 1 );    }    keyidx1 = 0;    printf( "\n  ESSID                             WEP KEY / WPA PMK\n\n" );    while( RegEnumKey( regkey_wzcsvc, keyidx1,                       buffer, sizeof( buffer ) ) == ERROR_SUCCESS )    {        sprintf( keystr, "%s\\%s", WZCSVC_LIST, buffer );        if( RegOpenKey( HKEY_LOCAL_MACHINE, keystr,                        &regkey_iface ) != ERROR_SUCCESS )        {            printf( "  Error: RegOpenKey(%s) failed\n", keystr );            continue;        }        keyidx2 = 0;        while( 1 )        {            sprintf( keystr, "Static#%04d", keyidx2 );            length = sizeof( buffer );            memset( buffer, 0, length );            if( RegQueryValueEx( regkey_iface, keystr, NULL,                                 &keytype, buffer, &length ) !=                                 ERROR_SUCCESS )                break;            pIn.cbData = length - *(int *)(buffer);            pIn.pbData = buffer + *(int *)(buffer);            pOut.cbData = 0;            pOut.pbData = 0;            if( CryptUnprotectData( &pIn, NULL, NULL, NULL, NULL,                                    0, &pOut ) != TRUE )            {                printf( "  Error: CryptUnprotectData failed\n" );                keyidx2++;                continue;            }            if( ! memcmp( pOut.pbData, zero_key, 32 ) )            {                keyidx2++;                continue;            }            printf( "  %-32s  ", buffer + 0x14 );            for( i = 0; i < (int) pOut.cbData; i++ )                printf( "%02X", pOut.pbData[i] ^ xor_key[i % 32] );            printf( "\n" );            keyidx2++;        }        RegCloseKey( regkey_iface );        keyidx1++;    }    RegCloseKey( regkey_wzcsvc );    exit( 0 );}int main( int argc, char *argv[] ){    FILE *f_in;    int userlen;    char buffer[512];    SC_HANDLE sc1, sc2;    SERVICE_TABLE_ENTRY ste[2] =    {        { ServiceName, ServiceMain },        { NULL, NULL }    };    userlen = sizeof( buffer );    GetUserName(  buffer, &userlen );    if( ! strcmp( buffer, "SYSTEM" ) )    {        StartServiceCtrlDispatcher( ste );        return( 1 );    }    set_console_icon( " WZCOOK - WEP/WPA-PMK Key Recovery Service from " \                      "XP's Wireless Zero Configuration utility " );    set_console_size( 50, 102 );    if( sc1 = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS ) )    {        if( sc2 = OpenService( sc1, ServiceName, SERVICE_ALL_ACCESS ) )        {            DeleteService( sc2 );            MessageBox( NULL, "WZCOOK service has been deleted",                        "Information", MB_OK | MB_ICONINFORMATION );        }        else        {            if( GetLastError() == ERROR_SERVICE_DOES_NOT_EXIST )            {                sc2 = CreateService(                        sc1, ServiceName, DisplayName,                        SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS,                        SERVICE_DEMAND_START, SERVICE_ERROR_IGNORE,                        GetCommandLine(), NULL, NULL, NULL, NULL, NULL );                if( sc2 != NULL )                {                    StartService( sc2, 0, NULL );                    Sleep( 2000 );                    DeleteService( sc2 );                }                else                {                    MessageBox( NULL, "Could not create WZCOOK service",                                "Fatal error", MB_OK | MB_ICONERROR );                    exit( 1 );                }            }            else            {                MessageBox( NULL, "Could not open WZCOOK service",                            "Fatal error", MB_OK | MB_ICONERROR );                exit( 1 );            }        }    }    else    {        MessageBox( NULL, "Could not open service manager,\n" \                    "maybe you're not an administrator ?",                    "Fatal error", MB_OK | MB_ICONERROR );        exit( 1 );    }    if( sc2 != NULL ) CloseServiceHandle( sc2 );    if( sc1 != NULL ) CloseServiceHandle( sc1 );    if( ( f_in = fopen( filename, "r" ) ) == NULL )    {        MessageBox( NULL, "Could not read c:\\wepkeys.txt, the " \                    "WZCOOK service probably failed unexpectedly",                    "Fatal error", MB_OK | MB_ICONERROR );        exit( 1 );    }    while( fgets( buffer, sizeof( buffer ) - 1, f_in ) )    {        printf( "%s", buffer );        Sleep( 500 );    }    fclose( f_in );    prompt_exit( 0 );    return( 0 );}