MFC打造ACCESS密码破解工具
来源:互联网 发布:手机淘宝出现乱码 编辑:程序博客网 时间:2024/05/16 19:05
加密原理:Access数据库的有效密码为13位,在不加密时,数据库的第67至9位为一固定的字符串,每位的ASCII码值分别为86,FBEC37, 5D,44,9C,FA,C6,5E,28,E6,13。加密时,分别用密码的每一位与67至79位的字符的ASCII码值进行异或运算,得到的一个新字符串,将它写回67至79位。
解密方法:将67至79位的字符的ASCII码值分别与"86,FB,EC,37,5D,44,9C,FA,C6,5E,28,E6,13"进行异或运算,即可得到密码。
加密原理:Access数据库的有效密码为13位,在不加密时,数据库的第67至9位为一固定的字符串,每位的ASCII码值分别为86,FBEC37, 5D,44,9C,FA,C6,5E,28,E6,13。加密时,分别用密码的每一位与67至79位的字符的ASCII码值进行异或运算,得到的一个新字符串,将它写回67至79位。
解密方法:将67至79位的字符的ASCII码值分别与"86,FB,EC,37,5D,44,9C,FA,C6,5E,28,E6,13"进行异或运算,即可得到密码。
解密方法:将67至79位的字符的ASCII码值分别与"86,FB,EC,37,5D,44,9C,FA,C6,5E,28,E6,13"进行异或运算,即可得到密码。
加密原理:Access数据库的有效密码为13位,在不加密时,数据库的第67至9位为一固定的字符串,每位的ASCII码值分别为86,FBEC37, 5D,44,9C,FA,C6,5E,28,E6,13。加密时,分别用密码的每一位与67至79位的字符的ASCII码值进行异或运算,得到的一个新字符串,将它写回67至79位。
解密方法:将67至79位的字符的ASCII码值分别与"86,FB,EC,37,5D,44,9C,FA,C6,5E,28,E6,13"进行异或运算,即可得到密码。
最近玩VC,就顺便写了下代码,除了access97找不到测试工具,其他均测试正常,直接贴代码吧,我不喜欢过多的描述
// CrackAccessPassDlg.cpp : 实现文件
//
#include "stdafx.h"
#include "CrackAccessPass.h"
#include "CrackAccessPassDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// 用于应用程序“关于”菜单项的 CAboutDlg 对话框
class CAboutDlg : public CDialog
...{
public:
CAboutDlg();
// 对话框数据
enum ...{ IDD = IDD_ABOUTBOX };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
...{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
...{
CDialog::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()
// CCrackAccessPassDlg 对话框
CCrackAccessPassDlg::CCrackAccessPassDlg(CWnd* pParent /**//*=NULL*/)
: CDialog(CCrackAccessPassDlg::IDD, pParent)
, m_filePath(_T(""))
...{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CCrackAccessPassDlg::DoDataExchange(CDataExchange* pDX)
...{
CDialog::DoDataExchange(pDX);
DDX_Text(pDX, IDC_EDIT1, m_filePath);
}
BEGIN_MESSAGE_MAP(CCrackAccessPassDlg, CDialog)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
ON_BN_CLICKED(IDC_BUTTON1, &CCrackAccessPassDlg::OnBnClickedButton1)
END_MESSAGE_MAP()
// CCrackAccessPassDlg 消息处理程序
BOOL CCrackAccessPassDlg::OnInitDialog()
...{
CDialog::OnInitDialog();
// 将“关于...”菜单项添加到系统菜单中。
// IDM_ABOUTBOX 必须在系统命令范围内。
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
...{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
...{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// 设置此对话框的图标。当应用程序主窗口不是对话框时,框架将自动
// 执行此操作
SetIcon(m_hIcon, TRUE); // 设置大图标
SetIcon(m_hIcon, FALSE); // 设置小图标
// TODO: 在此添加额外的初始化代码
return TRUE; // 除非将焦点设置到控件,否则返回 TRUE
}
void CCrackAccessPassDlg::OnSysCommand(UINT nID, LPARAM lParam)
...{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
...{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
...{
CDialog::OnSysCommand(nID, lParam);
}
}
// 如果向对话框添加最小化按钮,则需要下面的代码
// 来绘制该图标。对于使用文档/视图模型的 MFC 应用程序,
// 这将由框架自动完成。
void CCrackAccessPassDlg::OnPaint()
...{
if (IsIconic())
...{
CPaintDC dc(this); // 用于绘制的设备上下文
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
// 使图标在工作矩形中居中
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// 绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
...{
CDialog::OnPaint();
}
}
//当用户拖动最小化窗口时系统调用此函数取得光标显示。
//
HCURSOR CCrackAccessPassDlg::OnQueryDragIcon()
...{
return static_cast<HCURSOR>(m_hIcon);
}
void CCrackAccessPassDlg::OnBnClickedButton1()
...{
// TODO: 在此添加控件通知处理程序代码
CFileDialog fd(TRUE,"*.mdb","",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"ACCESS数据库文件(*.mdb)|*.mdb|所有文件(*.*)|*.*||",NULL,0);
INT_PTR nResponse = fd.DoModal();
if(nResponse == IDOK)
...{
m_filePath = fd.GetPathName();
UpdateData(false);
DoCrack();
}
}
/**//*
* @ 解密工作
*/
void CCrackAccessPassDlg::DoCrack()
...{
CString PassWord;
BYTE accVer[3] = ...{0};
BYTE accID = 0x00;
BYTE accFile[40] = ...{0};
BYTE accDataKey[128] = ...{0};
char accFlagString[16] = ...{0};
//以只读方式打开
CFile myFile(m_filePath,CFile::modeRead | CFile::shareDenyNone);
DWORD len = myFile.GetLength();
if(len > 320)
...{
myFile.Seek(66,CFile::begin);
myFile.Read(&accFile,sizeof(accFile));
myFile.Seek(156,CFile::begin);
myFile.Read(&accVer,sizeof(accVer));
myFile.Seek(20,CFile::begin);
myFile.Read(&accID,sizeof(accID));
myFile.Seek(24,CFile::begin);
myFile.Read(&accDataKey,sizeof(accDataKey));
myFile.Seek(4,CFile::begin);
myFile.Read(&accFlagString,sizeof(accFlagString));
}
myFile.Close();
if(strcmp(accFlagString,"Standard Jet DB"))
...{
SetDlgItemText(IDC_VER,"不是Access数据库!");
return;
}
char *sKey2K = "3074EC37EBCB9CFA70D128E6A5398A60E21B7B3643FDDFB1C17B13437920B13382EE795B243A7C2A";
char *sKey97 = "86FBEC375D449CFAC65E28E613";
CString Version;
//判断版本虽然没用,先留着
if(accVer[0] == '0')
...{
Version = "3.51";
}
else
...{
Version = (CString)accVer;
}
Version = (accID == 0 ? "Access 97":"Access 2000");
SetDlgItemText(IDC_VER,Version);
//取密码
if(accID == 1)
...{
PassWord = CrackPassDirect(accDataKey);
if ( PassWord.GetLength() == 0)
...{
PassWord = "没有密码";
}
}
else if(accID == 0)
...{
PassWord = CrackPass97(accFile);
if(PassWord.GetLength() ==0)
...{
PassWord = "没有密码";
}
}
else
...{
PassWord = "不是Access数据库";
}
SetDlgItemText(IDC_PASS,PassWord);
}
CString CCrackAccessPassDlg::CrackPassDirect(BYTE (&f_bytes)[128])
...{
CString ret;
long l;
BYTE EncryptKey[4]; //初始密钥
BYTE EncryptRet[258] = ...{0};
EncryptKey[0] = 0xC7;
EncryptKey[1] = 0xDA;
EncryptKey[2] = 0x39;
EncryptKey[3] = 0x6b;
//得到解密Key
for(l=0;l<=255;l++)
...{
EncryptRet[l] = l;
}
long temp1,temp2,temp3,temp4,temp5,temp6,temp7,temp8;
temp1 = temp2 = temp3 = temp4 = temp5 = temp6 = temp7 = temp8 = 0;
for(l=0;l<=255;l++)
...{
temp1 = temp2;
temp1 = EncryptKey[temp1];
temp4 = EncryptRet[l];
temp1 = temp1 + temp4;
temp4 = temp3;
temp1 = temp1 + temp4;
temp1 = temp1 & 0x800000FF;
temp3 = temp1;
temp1 = EncryptRet[l];
temp5 = temp1;
temp1 = temp3;
temp1 = EncryptRet[temp1];
EncryptRet[l] = temp1;
temp4 = temp3;
EncryptRet[temp4] = temp5;
temp1 = temp2;
temp1++;
temp4 = temp1 % 4;
temp2 = temp4;
}
//运算结束
//又一轮运算
temp1=temp2=temp3=temp4=temp5=temp6=temp7=temp8=0;
temp4 = EncryptRet[0x100];
temp1 = EncryptRet[0x101];
for(l=1;l<=0x80;l++)
...{
temp4++;
temp4 &= 0x800000FF;
temp3 = temp4 & 0xff;
temp5 = EncryptRet[temp3];
temp1 &= 0xff;
temp5 += temp1;
temp1 = temp5 & 0x800000FF;
temp6 = EncryptRet[temp4];
temp5 = EncryptRet[temp1];
EncryptRet[temp3] = temp5;
temp2 = temp1;
EncryptRet[temp2] = temp6;
temp5 = EncryptRet[temp3];
temp3 = EncryptRet[temp1 & 0xff];
temp5 += temp3;
temp5 &= 0x800000FF;
temp7 = temp5;
temp3 = temp8;
temp5 = EncryptRet[temp5];
long t = f_bytes[temp3] ^ temp5;
f_bytes[temp3] = t;
temp8 ++;
}
EncryptRet[0x100] = temp4;
EncryptRet[0x101] = temp1;
//又一轮结束
double db;
::MoveMemory(&db,&f_bytes[90],8);
//::RtlMoveMemory(&db,(&f_bytes[0])+90,8);
long Key = (int)db;
long lResult[20];
for(l=0;l<20;l++)
...{
lResult[l] = f_bytes[l*2+42]+256*(long)f_bytes[l*2+43];
if(l%2 == 0)
...{
lResult[l] ^= Key;
}
if(lResult[l] != 0)
...{
ret += (char)lResult[l];
}
}
return ret;
}
CString CCrackAccessPassDlg::CrackPass97(BYTE (&f_bytes)[40])
...{
CString ret;
BYTE KEY[] = ...{0X86,0xfb,0xec,0x37,0x5d,0x44,0x9c,0xfa,0xc6,0x5e,0x28,0xe6,0x13};
long lAsc;
for(int i=0;i<sizeof(KEY);i++)
...{
lAsc = f_bytes[i] ^ KEY[i];
if(lAsc != 0)
...{
ret += (char)lAsc;
}
}
return ret;
}
//
#include "stdafx.h"
#include "CrackAccessPass.h"
#include "CrackAccessPassDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// 用于应用程序“关于”菜单项的 CAboutDlg 对话框
class CAboutDlg : public CDialog
...{
public:
CAboutDlg();
// 对话框数据
enum ...{ IDD = IDD_ABOUTBOX };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
...{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
...{
CDialog::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()
// CCrackAccessPassDlg 对话框
CCrackAccessPassDlg::CCrackAccessPassDlg(CWnd* pParent /**//*=NULL*/)
: CDialog(CCrackAccessPassDlg::IDD, pParent)
, m_filePath(_T(""))
...{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CCrackAccessPassDlg::DoDataExchange(CDataExchange* pDX)
...{
CDialog::DoDataExchange(pDX);
DDX_Text(pDX, IDC_EDIT1, m_filePath);
}
BEGIN_MESSAGE_MAP(CCrackAccessPassDlg, CDialog)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
ON_BN_CLICKED(IDC_BUTTON1, &CCrackAccessPassDlg::OnBnClickedButton1)
END_MESSAGE_MAP()
// CCrackAccessPassDlg 消息处理程序
BOOL CCrackAccessPassDlg::OnInitDialog()
...{
CDialog::OnInitDialog();
// 将“关于...”菜单项添加到系统菜单中。
// IDM_ABOUTBOX 必须在系统命令范围内。
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
...{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
...{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// 设置此对话框的图标。当应用程序主窗口不是对话框时,框架将自动
// 执行此操作
SetIcon(m_hIcon, TRUE); // 设置大图标
SetIcon(m_hIcon, FALSE); // 设置小图标
// TODO: 在此添加额外的初始化代码
return TRUE; // 除非将焦点设置到控件,否则返回 TRUE
}
void CCrackAccessPassDlg::OnSysCommand(UINT nID, LPARAM lParam)
...{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
...{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
...{
CDialog::OnSysCommand(nID, lParam);
}
}
// 如果向对话框添加最小化按钮,则需要下面的代码
// 来绘制该图标。对于使用文档/视图模型的 MFC 应用程序,
// 这将由框架自动完成。
void CCrackAccessPassDlg::OnPaint()
...{
if (IsIconic())
...{
CPaintDC dc(this); // 用于绘制的设备上下文
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
// 使图标在工作矩形中居中
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// 绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
...{
CDialog::OnPaint();
}
}
//当用户拖动最小化窗口时系统调用此函数取得光标显示。
//
HCURSOR CCrackAccessPassDlg::OnQueryDragIcon()
...{
return static_cast<HCURSOR>(m_hIcon);
}
void CCrackAccessPassDlg::OnBnClickedButton1()
...{
// TODO: 在此添加控件通知处理程序代码
CFileDialog fd(TRUE,"*.mdb","",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"ACCESS数据库文件(*.mdb)|*.mdb|所有文件(*.*)|*.*||",NULL,0);
INT_PTR nResponse = fd.DoModal();
if(nResponse == IDOK)
...{
m_filePath = fd.GetPathName();
UpdateData(false);
DoCrack();
}
}
/**//*
* @ 解密工作
*/
void CCrackAccessPassDlg::DoCrack()
...{
CString PassWord;
BYTE accVer[3] = ...{0};
BYTE accID = 0x00;
BYTE accFile[40] = ...{0};
BYTE accDataKey[128] = ...{0};
char accFlagString[16] = ...{0};
//以只读方式打开
CFile myFile(m_filePath,CFile::modeRead | CFile::shareDenyNone);
DWORD len = myFile.GetLength();
if(len > 320)
...{
myFile.Seek(66,CFile::begin);
myFile.Read(&accFile,sizeof(accFile));
myFile.Seek(156,CFile::begin);
myFile.Read(&accVer,sizeof(accVer));
myFile.Seek(20,CFile::begin);
myFile.Read(&accID,sizeof(accID));
myFile.Seek(24,CFile::begin);
myFile.Read(&accDataKey,sizeof(accDataKey));
myFile.Seek(4,CFile::begin);
myFile.Read(&accFlagString,sizeof(accFlagString));
}
myFile.Close();
if(strcmp(accFlagString,"Standard Jet DB"))
...{
SetDlgItemText(IDC_VER,"不是Access数据库!");
return;
}
char *sKey2K = "3074EC37EBCB9CFA70D128E6A5398A60E21B7B3643FDDFB1C17B13437920B13382EE795B243A7C2A";
char *sKey97 = "86FBEC375D449CFAC65E28E613";
CString Version;
//判断版本虽然没用,先留着
if(accVer[0] == '0')
...{
Version = "3.51";
}
else
...{
Version = (CString)accVer;
}
Version = (accID == 0 ? "Access 97":"Access 2000");
SetDlgItemText(IDC_VER,Version);
//取密码
if(accID == 1)
...{
PassWord = CrackPassDirect(accDataKey);
if ( PassWord.GetLength() == 0)
...{
PassWord = "没有密码";
}
}
else if(accID == 0)
...{
PassWord = CrackPass97(accFile);
if(PassWord.GetLength() ==0)
...{
PassWord = "没有密码";
}
}
else
...{
PassWord = "不是Access数据库";
}
SetDlgItemText(IDC_PASS,PassWord);
}
CString CCrackAccessPassDlg::CrackPassDirect(BYTE (&f_bytes)[128])
...{
CString ret;
long l;
BYTE EncryptKey[4]; //初始密钥
BYTE EncryptRet[258] = ...{0};
EncryptKey[0] = 0xC7;
EncryptKey[1] = 0xDA;
EncryptKey[2] = 0x39;
EncryptKey[3] = 0x6b;
//得到解密Key
for(l=0;l<=255;l++)
...{
EncryptRet[l] = l;
}
long temp1,temp2,temp3,temp4,temp5,temp6,temp7,temp8;
temp1 = temp2 = temp3 = temp4 = temp5 = temp6 = temp7 = temp8 = 0;
for(l=0;l<=255;l++)
...{
temp1 = temp2;
temp1 = EncryptKey[temp1];
temp4 = EncryptRet[l];
temp1 = temp1 + temp4;
temp4 = temp3;
temp1 = temp1 + temp4;
temp1 = temp1 & 0x800000FF;
temp3 = temp1;
temp1 = EncryptRet[l];
temp5 = temp1;
temp1 = temp3;
temp1 = EncryptRet[temp1];
EncryptRet[l] = temp1;
temp4 = temp3;
EncryptRet[temp4] = temp5;
temp1 = temp2;
temp1++;
temp4 = temp1 % 4;
temp2 = temp4;
}
//运算结束
//又一轮运算
temp1=temp2=temp3=temp4=temp5=temp6=temp7=temp8=0;
temp4 = EncryptRet[0x100];
temp1 = EncryptRet[0x101];
for(l=1;l<=0x80;l++)
...{
temp4++;
temp4 &= 0x800000FF;
temp3 = temp4 & 0xff;
temp5 = EncryptRet[temp3];
temp1 &= 0xff;
temp5 += temp1;
temp1 = temp5 & 0x800000FF;
temp6 = EncryptRet[temp4];
temp5 = EncryptRet[temp1];
EncryptRet[temp3] = temp5;
temp2 = temp1;
EncryptRet[temp2] = temp6;
temp5 = EncryptRet[temp3];
temp3 = EncryptRet[temp1 & 0xff];
temp5 += temp3;
temp5 &= 0x800000FF;
temp7 = temp5;
temp3 = temp8;
temp5 = EncryptRet[temp5];
long t = f_bytes[temp3] ^ temp5;
f_bytes[temp3] = t;
temp8 ++;
}
EncryptRet[0x100] = temp4;
EncryptRet[0x101] = temp1;
//又一轮结束
double db;
::MoveMemory(&db,&f_bytes[90],8);
//::RtlMoveMemory(&db,(&f_bytes[0])+90,8);
long Key = (int)db;
long lResult[20];
for(l=0;l<20;l++)
...{
lResult[l] = f_bytes[l*2+42]+256*(long)f_bytes[l*2+43];
if(l%2 == 0)
...{
lResult[l] ^= Key;
}
if(lResult[l] != 0)
...{
ret += (char)lResult[l];
}
}
return ret;
}
CString CCrackAccessPassDlg::CrackPass97(BYTE (&f_bytes)[40])
...{
CString ret;
BYTE KEY[] = ...{0X86,0xfb,0xec,0x37,0x5d,0x44,0x9c,0xfa,0xc6,0x5e,0x28,0xe6,0x13};
long lAsc;
for(int i=0;i<sizeof(KEY);i++)
...{
lAsc = f_bytes[i] ^ KEY[i];
if(lAsc != 0)
...{
ret += (char)lAsc;
}
}
return ret;
}
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