3Dmark2003算法研究 (14千字)

标题：3Dmark2003注册号的算法研究

软件：3Dmark 2003

版本：3.1.3.0

下载网站：www.mydrivers.com

破解者: 火翼[CCG]

组织 : [CCG] (China Cracking Group)

使用软件: OllyDbg+Ida430

昨天才出来的软件，官方下载地址没提供注册号（官方当然不会提供）。

用IDA反汇编，搜索"Incorrect registration code."在41D8CA找到对这个字符串的调用，向上可以在0041D81E找到关键判断

.text:0041D81E call sub_405190 //关键判断

.text:0041D823 add esp, 4

.text:0041D826 test al, al

.text:0041D828 lea ecx, [ebp+var_6C]

.text:0041D82B jz loc_41D8CA

跟进去之后，代码如下

.text:00405190 push 0FFFFFFFFh

.text:00405192 push offset loc_596D31

.text:00405197 mov eax, large fs:0

.text:0040519D push eax

.text:0040519E mov large fs:0, esp

.text:004051A5 sub esp, 40h

.text:004051A8 mov eax, dword_611F00

.text:004051AD xor eax, [esp+4Ch]

.text:004051B1 push ebx

.text:004051B2 push ebp

.text:004051B3 push esi

.text:004051B4 push edi

.text:004051B5 mov edi, [esp+5Ch+arg_0]

.text:004051B9 mov ecx, edi

.text:004051BB mov [esp+5Ch+var_10], eax

.text:004051BF call ?size@?

$basic_string@DU?$char_traits@D@std@@V?

$allocator@D@2@@std@@QBEIXZ //MFC字符串类的方法

//得到字符串长度

.text:004051C5 cmp eax, 17h

//看输入的是否是23

//个字符

.text:004051C8 jnz loc_40540C

.text:004051CE push 5

.text:004051D0 mov ecx, edi

.text:004051D2 call ??A?$basic_string@DU?

$char_traits@D@std@@V?$allocator@D

@2@@std@@QBEABDI@Z //取字符串的第6

//个字符

.text:004051D8 cmp byte ptr [eax], 2Dh

//和"-"比较

以下还有两处，判断第12位和第18位是不是"-"

.text:00405207 push offset

a5azuhNzcd6La83 ; "5AZUH-NZCD6-LA83C-RW5KS"

//黑名单

.text:0040520C push edi

.text:0040520D call ds:??8std@@YA_NABV?

$basic_string@DU?$char_traits@D@std@@V?

$allocator@D@2@@0@PBD@Z //字符串比较

.text:00405213 add esp, 8

.text:00405216 test al, al

.text:00405218 jnz loc_40540C //相等就跳

现在开始时注册号的计算过程

一共分为3段

（1）把输入的字符串在字符表B2CD6FHJ1LN4RSTE3VWX8YZA0Q7MUK9P5

中的位置写道内存中

对应ZA5UH-NZCD6-LA83C-RW5KS

在内存中的数字就是

16 17 20 1C 06 -

0A 16 02 03 04 -

09 17 14 10 02 -

0C 12 20 1D 0D

每个数字占32位，“-“用ffffffff代表

代码如下

.text:0040521E lea ecx, [esp+30h]

.text:00405222 call ds:??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::basic_string<char,std::char_traits<char>,std::allocator<char>>(void)

.text:00405228 lea esi, [esp+30h]

.text:0040522C mov dword ptr [esp+58h], 0

.text:00405234 call sub_404A20

.text:00405239 mov ecx, edi

.text:0040523B call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:00405241 push eax

.text:00405242 lea ecx, [esp+5Ch+var_38]

.text:00405246 call sub_405160

.text:0040524B mov ecx, edi

.text:0040524D mov byte ptr [esp+58h], 1

.text:00405252 xor ebx, ebx

.text:00405254 call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:0040525A test eax, eax

.text:0040525C mov esi, [esp+24h]

.text:00405260 jbe short loc_405298

.text:00405262

.text:00405262 loc_405262: ; CODE XREF: sub_405190+106j

.text:00405262 push ebx

.text:00405263 mov ecx, edi

.text:00405265 call ds:??A?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEABDI@Z ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::operator[](uint)

.text:0040526B movsx eax, byte ptr [eax]

.text:0040526E push 0

.text:00405270 push eax

.text:00405271 lea ecx, [esp+5Ch+var_24]

.text:00405275 call ds:?find@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIDI@Z ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::find(char,uint)

.text:0040527B mov ecx, ds:?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2IB ; uint const std::basic_string<char,std::char_traits<char>,std::allocator<char>>::npos

.text:00405281 cmp eax, [ecx]

.text:00405283 jnz short loc_405288

.text:00405285 or eax, 0FFFFFFFFh

.text:00405288

.text:00405288 loc_405288: ; CODE XREF: sub_405190+F3j

.text:00405288 mov [esi+ebx*4], eax

.text:0040528B mov ecx, edi

.text:0040528D inc ebx

.text:0040528E call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:00405294 cmp ebx, eax

.text:00405296 jb short loc_405262

.text:00405298

.text:00405298 loc_405298: ;

（2）对内存中的编号进行运算得到正确的8个数

算法如下

前三个数是把前三段的头四个字符对应的编号相加再对21取余，

第4个数是把第5，11，17个字符的编号相加再对21取余，

第5个数是第11，17，19个字符的编号相加再对21取余，

第6个数是把第17，19，20个字符的编号相加再对21取余，

第7个数是把第19，20，21个字符的编号相加再对21取余，

第8个数是把第20，21，22个字符的编号相加再对21取余，

对应ZA5UH-NZCD6-LA83C-RW5KS

第一个

1 2 3 4

16+17+20+1C=69 %21=06

第二个

9 8 10 7

02+16+03+0A=25 %21=04

第三个

15 14 13 16

14+17+09+10=44 %21=02

第四个

5 17 11

06+02+04=0C %21=0C

第五个

17 11 19

02+04+0C=12 %21=12

第六个

20 17 19

12+02+0C=20 %21=20

第七个

19 20 21

0C+12+20=3E %21=1D

第八个

22 20 21

1D+12+20=4F %21=0D

CODE XREF: sub_405190+D0j

.text:00405298 lea ecx, [esp+54h+var_24]

.text:0040529C call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:004052A2 mov ebx, [esi+4]

.text:004052A5 mov edi, [esi+0Ch]

.text:004052A8 mov edx, [esi]

.text:004052AA mov ecx, eax

.text:004052AC mov eax, [esi+8]

.text:004052AF add eax, ebx

.text:004052B1 add eax, edi

.text:004052B3 add eax, edx

.text:004052B5 xor edx, edx

.text:004052B7 div ecx

.text:004052B9 lea ecx, [esp+4Ch+var_1C]

.text:004052BD mov edi, edx

.text:004052BF call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:004052C5 mov ebp, [esi+20h]

.text:004052C8 mov ebx, [esi+1Ch]

.text:004052CB mov edx, [esi+24h]

.text:004052CE mov ecx, eax

.text:004052D0 mov eax, [esi+18h]

.text:004052D3 add eax, ebp

.text:004052D5 add eax, ebx

.text:004052D7 add eax, edx

.text:004052D9 xor edx, edx

.text:004052DB div ecx

.text:004052DD lea ecx, [esp+30h]

.text:004052E1 mov ebx, edx

.text:004052E3 call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:004052E9 mov ebp, [esi+38h]

.text:004052EC mov edx, [esi+34h]

.text:004052EF mov ecx, eax

.text:004052F1 mov eax, [esi+30h]

.text:004052F4 add eax, ebp

.text:004052F6 mov ebp, [esi+3Ch]

.text:004052F9 add eax, edx

.text:004052FB add eax, ebp

.text:004052FD xor edx, edx

.text:004052FF div ecx

.text:00405301 lea ecx, [esp+30h]

.text:00405305 mov ebp, edx

.text:00405307 call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:0040530D mov edx, [esi+40h]

.text:00405310 mov ecx, eax

.text:00405312 mov eax, [esi+10h]

.text:00405315 add eax, edx

.text:00405317 add eax, [esi+28h]

.text:0040531A xor edx, edx

.text:0040531C div ecx

.text:0040531E lea ecx, [esp+30h]

.text:00405322 mov [esp+34h+var_24], edx

.text:00405326 call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:0040532C mov edx, [esi+28h]

.text:0040532F mov ecx, eax

.text:00405331 mov eax, [esi+40h]

.text:00405334 add eax, edx

.text:00405336 add eax, [esi+48h]

.text:00405339 xor edx, edx

.text:0040533B div ecx

.text:0040533D lea ecx, [esp+2Ch+arg_0]

.text:00405341 mov [esp+2Ch+var_18], edx

.text:00405345 call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:0040534B mov edx, [esi+4Ch]

.text:0040534E mov ecx, eax

.text:00405350 mov eax, [esi+40h]

.text:00405353 add eax, edx

.text:00405355 add eax, [esi+48h]

.text:00405358 xor edx, edx

.text:0040535A div ecx

.text:0040535C lea ecx, [esp+30h]

.text:00405360 mov [esp+18h], edx

.text:00405364 call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:0040536A mov edx, [esi+48h]

.text:0040536D mov ecx, eax

.text:0040536F mov eax, [esi+4Ch]

.text:00405372 add eax, edx

.text:00405374 add eax, [esi+50h]

.text:00405377 xor edx, edx

.text:00405379 div ecx

.text:0040537B lea ecx, [esp+30h]

.text:0040537F mov [esp+1Ch], edx

.text:00405383 call ds:?size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ ; std::basic_string<char,std::char_traits<char>,std::allocator<char>>::size(void)

.text:00405389 mov edx, [esi+54h]

.text:0040538C mov ecx, eax

.text:0040538E mov eax, [esi+4Ch]

.text:00405391 add eax, edx

.text:00405393 add eax, [esi+50h]

.text:00405396 xor edx, edx

.text:00405398 div ecx

（3）把这八个数和输入注册号的对应位编号比较

第一个 5位

第二个 11位

第三位 17位

第四个 19位

第五个 20位

第六个 21位

第七个 22位

第八个 23位

代码如下

.text:0040539A cmp [esi+10h], edi //1

.text:0040539D jnz short loc_4053F1

.text:0040539F cmp [esi+28h], ebx//2

.text:004053A2 jnz short loc_4053F1

.text:004053A4 cmp [esi+40h], ebp//3

.text:004053A7 jnz short loc_4053F1

.text:004053A9 mov eax, [esp+10h]

.text:004053AD cmp [esi+48h], eax//4

.text:004053B0 jnz short loc_4053F1

.text:004053B2 mov ecx, [esp+14h]

.text:004053B6 cmp [esi+4Ch], ecx//5

.text:004053B9 jnz short loc_4053F1

.text:004053BB mov eax, [esp+14h+arg_0]

.text:004053BF cmp [esi+50h], eax//6

.text:004053C2 jnz short loc_4053F1

.text:004053C4 mov ecx, [esp+1Ch]

.text:004053C8 cmp [esi+54h], ecx//7

.text:004053CB jnz short loc_4053F1

.text:004053CD cmp [esi+58h], edx//8

.text:004053D0 jnz short loc_4053F1

.text:004053D2 lea ecx, [esp+20h]

总结

注册号生成算法如下

先在字符串B2CD6FHJ1LN4RSTE3VWX8YZA0Q7MUK9P5中任取12位

组成XXXXa-XXXXb-XXXXc-defgh形的字串，X为任取的字符，

a,b,c位对应的前面4个字符在字符串B2CD6FHJ1LN4RSTE3VWX8YZA0Q7MUK9P5中的位置编号（16进制）相加再对21（16进制）取余得到数字对应位置的字符，d为a，b，c位置编号相加再对21取余得到数字对应位置的字符,e为b，c,d位置编号相加再对21取余得到数字对应位置的字符,f为c,d,e位置编号相加再对21取余得到数字对应位置的字符,g为d,e,f位置编号相加再对21取余得到数字对应位置的字符,h为e，f，g位置编号相加再对21取余得到数字对应位置的字符。

标 题:3dmark2003注册机源码

发信人:火翼[CCG]

时 间:03-2-16 0:49:18

详细信息:

源码下载

.386

.model flat,stdcall

option casemap:none

include windows.inc

include gdi32.inc

includelib gdi32.lib

include user32.inc

includelib user32.lib

include kernel32.inc

includelib kernel32.lib

include masm32.inc

includelib masm32.lib

.data

szCoder db 'Code By Firewings[CCG] Org:China Crack Group',0

a db 26 dup(0)

b db 26 dup(0)

count db 0

num db 0

num1 db 0

szButton db 'button',0

szButtonText db 'Generate',0

szButtonText1 db 'Copy',0

szButtonText2 db 'Exit',0

sztext db 'Hello World!',0

hInstance dd ?

hWinMain dd ?

hGA dd ?

hIcon dd ?

hDcBack dd ?

base dd 33

hBmp dd ?

ORISTR db 'B2CD6FHJ1LN4RSTE3VWX8YZA0Q7MUK9P5',0

.const

szClassName db 'FWClass',0

szCaptionMain db 'KeyGen of 3Dmark 2003 Build 3.1.3.0',0

szText db 'Hello, I',39,'m Firewings!',0

.code

Paint_Proc proc hWin:DWORD, hDC:DWORD

LOCAL hOld:DWORD

LOCAL memDC :DWORD

invoke CreateCompatibleDC,hDC

mov memDC, eax

invoke SelectObject,memDC,hBmp

mov hOld, eax

invoke BitBlt,hDC,120,10,150,56,memDC,0,0,SRCCOPY

;invoke BitBlt,hDc,90,71,150,56,hBmp,0,0,SRCCOPY

invoke SelectObject,hDC,hOld

invoke DeleteDC,memDC

mov eax,0

ret

Paint_Proc endp

_ProcWinMain proc uses ebx edi esi,hWnd,uMsg,wParam,lParam

local @stPs:PAINTSTRUCT

local @stRect:RECT

local @hdc1

local @hDc

local @hBmpBack

local @hDc2

mov eax,uMsg

.if eax==WM_PAINT

invoke BeginPaint,hWnd,addr @stPs

mov @hDc,eax

invoke GetClientRect,hWnd,addr @stRect

invoke FillRect,@hDc,addr @stRect,COLOR_BTNFACE+1

invoke EndPaint,hWnd,addr @stPs

invoke GetDC,hWnd

mov @hDc,eax

invoke Paint_Proc,hWnd,@hDc

mov @stRect.left,90

mov @stRect.top,71

mov @stRect.right,310

mov @stRect.bottom,91

invoke FillRect,@hDc,addr @stRect,COLOR_BTNFACE+1

invoke SetBkMode,@hDc,TRANSPARENT

invoke DrawText,@hDc,addr a,-1,addr @stRect,DT_CENTER or DT_VCENTER or DT_SINGLELINE

mov @stRect.left,3

mov @stRect.top,92

mov @stRect.right,380

mov @stRect.bottom,112

invoke SetBkMode,@hDc,TRANSPARENT

invoke DrawText,@hDc,addr szCoder,-1,addr @stRect,DT_VCENTER or DT_SINGLELINE

invoke ReleaseDC,hWnd,@hDc

.elseif eax==WM_CLOSE

invoke DestroyWindow,hWinMain

invoke PostQuitMessage,NULL

.elseif eax==WM_COMMAND

mov eax,wParam

movzx eax,ax

.if eax==1

call _KeyGen

invoke SendMessage ,hWnd,WM_PAINT,NULL,NULL

.elseif eax==2

invoke GlobalAlloc,GMEM_MOVEABLE,30

mov hGA,eax

invoke GlobalLock,hGA

.if eax==0

.else

mov edi,eax

mov esi,offset a

mov ecx,25

rep movsb

invoke GlobalUnlock,hGA

call _CopyData

.endif

.elseif eax==3

invoke DestroyWindow,hWinMain

invoke PostQuitMessage,NULL

.else

jmp loc4

.endif

.else

loc4: invoke DefWindowProc,hWnd,uMsg,wParam,lParam

ret

.endif

;********************************************************************

xor eax,eax

ret

_ProcWinMain endp

_WinMain proc

local @stWndClass:WNDCLASSEX

local @stMsg:MSG

invoke GetModuleHandle,NULL

mov hInstance,eax

invoke RtlZeroMemory,addr @stWndClass,sizeof @stWndClass

invoke LoadBitmap,hInstance,5678

mov hBmp, eax

invoke LoadIcon,hInstance,1234

mov @stWndClass.hIcon,eax

mov hIcon,eax

invoke LoadCursor,0,IDC_ARROW

mov @stWndClass.hCursor,eax

push hInstance

pop @stWndClass.hInstance

mov @stWndClass.cbSize,sizeof WNDCLASSEX

mov @stWndClass.style,CS_HREDRAW or CS_VREDRAW

mov @stWndClass.lpfnWndProc,offset _ProcWinMain

mov @stWndClass.hbrBackground,COLOR_BTNFACE+1

mov @stWndClass.lpszClassName,offset szClassName

invoke RegisterClassEx,addr @stWndClass

invoke CreateWindowEx,WS_EX_CLIENTEDGE,offset szClassName,offset szCaptionMain,WS_OVERLAPPED or WS_SYSMENU,300,200,340,150,NULL,NULL,hInstance,NULL

mov hWinMain,eax

invoke CreateWindowEx,NULL,offset szButton,offset szButtonText,WS_CHILD or WS_VISIBLE,10,10,70,22,hWinMain,1,hInstance,NULL

invoke CreateWindowEx,NULL,offset szButton,offset szButtonText1,WS_CHILD or WS_VISIBLE,10,40,70,22,hWinMain,2,hInstance,NULL

invoke CreateWindowEx,NULL,offset szButton,offset szButtonText2,WS_CHILD or WS_VISIBLE,10,70,70,22,hWinMain,3,hInstance,NULL

invoke ShowWindow,hWinMain,SW_SHOWNORMAL

call _KeyGen

invoke UpdateWindow,hWinMain

.While TRUE

invoke GetMessage,addr @stMsg,NULL,0,0

.break .if eax==0

invoke TranslateMessage,addr @stMsg

invoke DispatchMessage,addr @stMsg

.endw

ret

_WinMain endp

_KeyGen proc uses ebx edi esi

invoke GetTickCount

invoke nseed,eax

mov count,0

lea ebx,a

loc1:

mov eax,1

add al,count

xor edx,edx

mov ecx,6

div ecx

cmp edx,0

jz loc2

invoke nrandom,base

lea edx,ORISTR

mov num,al

add edx,eax

mov al,[edx]

jmp loc3

loc2: mov al,2dh

mov num,-1

loc3: xor ecx,ecx

mov cl,count

lea ebx,a

mov [ebx+ecx],al

mov al,num

lea ebx,b

mov [ebx+ecx],al

add count,1

cmp count,18

jnz loc1

lea esi,a

lea edi,b

xor eax,eax

xor ecx,ecx

xor ebx,ebx

loc7: push ecx

xor edx,edx

mov count,0

mov num,0

mov al,6

mul cl

mov num1,al

loc8: movzx bx,count

xor ecx,ecx

push eax

add ax,bx

mov al,[edi+eax]

add num,al

add count,1

cmp count,4

pop eax

jnz loc8

xor eax,eax

xor edx,edx

mov al,num

mov ecx,33

div ecx

lea ebx,ORISTR

add bx,dx

mov bl,[ebx]

xor ax,ax

mov al,num1

add al,4

mov [esi+eax],bl

mov [edi+eax],dl

pop ecx

inc ecx

cmp ecx,3

jnz loc7

xor eax,eax

xor edx,edx

xor ebx,ebx

mov ecx,33

mov bl,[edi+4]

add ax,bx

mov bl,[edi+10]

add ax,bx

mov bl,[edi+16]

add ax,bx

div cx

lea ebx,ORISTR

add bx,dx

mov bl,[ebx]

mov [esi+18],bl

mov [edi+18],dl

xor eax,eax

xor edx,edx

mov ecx,33

xor ebx,ebx

mov bl,[edi+10]

add ax,bx

mov bl,[edi+16]

add ax,bx

mov bl,[edi+18]

add ax,bx

div cx

lea ebx,ORISTR

add bx,dx

mov bl,[ebx]

mov [esi+19],bl

mov [edi+19],dl

xor eax,eax

xor edx,edx

xor ebx,ebx

mov ecx,33

mov bl,[edi+16]

add ax,bx

mov bl,[edi+18]

add ax,bx

mov bl,[edi+19]

add ax,bx

div cx

lea ebx,ORISTR

add bx,dx

mov bl,[ebx]

mov [esi+20],bl

mov [edi+20],dl

xor eax,eax

xor edx,edx

xor ebx,ebx

mov ecx,33

mov bl,[edi+18]

add ax,bx

mov bl,[edi+19]

add ax,bx

mov bl,[edi+20]

add ax,bx

div cx

lea ebx,ORISTR

add bx,dx

mov bl,[ebx]

mov [esi+21],bl

mov [edi+21],dl

xor eax,eax

xor edx,edx

xor ebx,ebx

mov ecx,33

mov bl,[edi+19]

add ax,bx

mov bl,[edi+20]

add ax,bx

mov bl,[edi+21]

add ax,bx

div cx

lea ebx,ORISTR

add bx,dx

mov bl,[ebx]

mov [esi+22],bl

mov [edi+22],dl

invoke UpdateWindow,hWinMain

ret

_KeyGen endp

_CopyData proc

invoke OpenClipboard,hWinMain

invoke EmptyClipboard

invoke SetClipboardData,CF_TEXT,hGA

invoke CloseClipboard

ret

_CopyData endp

start:

;invoke MessageBox,NULL,offset a,offset szCap,MB_OK

call _WinMain

invoke ExitProcess,NULL

end start

（出处：赢政天下整理收藏）

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