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                                           Human essence of art, the human feelings of the perfect lens
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让共享程序自己显示注册码
作者:郁郁小蝎  来源:中国站长学院  发布时间:2005-7-4 13:31:31
Body art from the West, male body is mainly a reflection of the strength of the United States. While the female body is mainly a reflection of the kind of a female-specific negative of tender.
Body art is static human form, does not contain sexual intercourse is exposed genitals or other to tease of limb movements. Good photographs focus on the human body is the use of light and shadow. The body was naked from the arts, the human body art is not carnal desire , vulgar. Accurately speaking, and now, the "body art" is not very precise. Art classification is based on the auditory,

软件名称:Google快照助手
   
整理日期:2003.4.6
最新版本:1.10
文件大小:742KB
软件授权:共享软件
使用平台:Win9x/Me/NT/2000/XP
发布公司:Home Page
软件简介:
  Google快照是某网页在Google服务器中保存的该网页的镜像.当该网页已经不能访问的时候,快照对于查询信息的用户非常重要.很遗憾的是因为某些原因造成Google快照不能被访问或者时断时续."Google快照助手"正是为了帮助您查看Google保存的网页快照而推出的.它能够帮助您看到大部分的Google快照


作者声明:初学破解,属技术交流,无其它目的。
工具:ollyDBg1.09,W32Dasm10,Caspr110脱壳工具。

假设:
机器码:214414EA
注册码(假码):654321


首先说明:

  要让共享程序自己显示注册码,一般这是针对明码比较的软件。这个程序先取得机器码,再据机器码生成一密码串,利用密码串与机器码运算,依次生成真码的各位。然后把真码与输入的注册码作比较,如果相等就显示注册成功,如不相等会显示注册失败。基本的思想是用起真码代替“错误的序列号码”等的字符串,让其本来显示错误的信息现在显示正确注册码。请看下面过程。

一、查找出错信息。
:005083DB E8F012F0FF              call 004096D0
:005083E0 8B55A4                  mov edx, dword ptr [ebp-5C]
:005083E3 8B45E8                  mov eax, dword ptr [ebp-18]
:005083E6 E821C9EFFF              call 00404D0C
:005083EB 740C                    je 005083F9

* Possible StringData Ref from Code Obj ->"错误的序列号码,如果您已经注册请尽快通过webmast"
                                       ->"er@51google.net和作者联系"
                                 |
:005083ED B8D4845000              mov eax, 005084D4
:005083F2 E8F9CEF3FF              call 004452F0


二、用ollydbg载入程序,动态跟

005082BD   .^\EB F0         JMP SHORT aa.005082AF
005082BF   .  8D55 D0       LEA EDX,DWORD PTR SS:[EBP-30]
005082C2   .  8B45 F0       MOV EAX,DWORD PTR SS:[EBP-10]            ;  机器码入eaxDWOR
005082C5   .  E8 0EF2FFFF   CALL aa.005074D8
005082CA   .  8D45 D0       LEA EAX,DWORD PTR SS:[EBP-30]
005082CD   .  8D55 E0       LEA EDX,DWORD PTR SS:[EBP-20]
005082D0   .  E8 77F2FFFF   CALL aa.0050754C                         ;  取得中间码a.005
005082D5   .  8B55 E0       MOV EDX,DWORD PTR SS:[EBP-20]            ;  中间码入edxDWOR
005082D8   .  8D45 F0       LEA EAX,DWORD PTR SS:[EBP-10]            ;  机器码地址入eaxORD PT
005082DB   .  E8 C8C6EFFF   CALL aa.004049A8
005082E0   .  8D45 E8       LEA EAX,DWORD PTR SS:[EBP-18]
005082E3   .  E8 28C6EFFF   CALL aa.00404910
005082E8   .  8D45 CC       LEA EAX,DWORD PTR SS:[EBP-34]
005082EB   .  8B55 F0       MOV EDX,DWORD PTR SS:[EBP-10]
005082EE   .  8A12          MOV DL,BYTE PTR DS:[EDX]
005082F0   .  8850 01       MOV BYTE PTR DS:[EAX+1],DL
005082F3   .  C600 01       MOV BYTE PTR DS:[EAX],1
005082F6   .  8D55 CC       LEA EDX,DWORD PTR SS:[EBP-34]
005082F9   .  8D45 C8       LEA EAX,DWORD PTR SS:[EBP-38]
005082FC   .  E8 63AEEFFF   CALL aa.00403164
00508301   .  8D45 C4       LEA EAX,DWORD PTR SS:[EBP-3C]
00508304   .  8B55 F0       MOV EDX,DWORD PTR SS:[EBP-10]
00508307   .  8A52 02       MOV DL,BYTE PTR DS:[EDX+2]
0050830A   .  8850 01       MOV BYTE PTR DS:[EAX+1],DL
0050830D   .  C600 01       MOV BYTE PTR DS:[EAX],1
00508310   .  8D55 C4       LEA EDX,DWORD PTR SS:[EBP-3C]
00508313   .  8D45 C8       LEA EAX,DWORD PTR SS:[EBP-38]
00508316   .  B1 02         MOV CL,2
00508318   .  E8 17AEEFFF   CALL aa.00403134
0050831D   .  8D55 C8       LEA EDX,DWORD PTR SS:[EBP-38]
00508320   .  8D45 C0       LEA EAX,DWORD PTR SS:[EBP-40]
00508323   .  E8 3CAEEFFF   CALL aa.00403164
00508328   .  8D45 C4       LEA EAX,DWORD PTR SS:[EBP-3C]
0050832B   .  8B55 F0       MOV EDX,DWORD PTR SS:[EBP-10]
0050832E   .  8A52 08       MOV DL,BYTE PTR DS:[EDX+8]
00508331   .  8850 01       MOV BYTE PTR DS:[EAX+1],DL
00508334   .  C600 01       MOV BYTE PTR DS:[EAX],1
00508337   .  8D55 C4       LEA EDX,DWORD PTR SS:[EBP-3C]
0050833A   .  8D45 C0       LEA EAX,DWORD PTR SS:[EBP-40]
0050833D   .  B1 03         MOV CL,3
0050833F   .  E8 F0ADEFFF   CALL aa.00403134
00508344   .  8D55 C0       LEA EDX,DWORD PTR SS:[EBP-40]
00508347   .  8D45 B8       LEA EAX,DWORD PTR SS:[EBP-48]
0050834A   .  E8 15AEEFFF   CALL aa.00403164
0050834F   .  8D45 C4       LEA EAX,DWORD PTR SS:[EBP-3C]
00508352   .  8B55 F0       MOV EDX,DWORD PTR SS:[EBP-10]
00508355   .  8A52 1A       MOV DL,BYTE PTR DS:[EDX+1A]
00508358   .  8850 01       MOV BYTE PTR DS:[EAX+1],DL
0050835B   .  C600 01       MOV BYTE PTR DS:[EAX],1
0050835E   .  8D55 C4       LEA EDX,DWORD PTR SS:[EBP-3C]
00508361   .  8D45 B8       LEA EAX,DWORD PTR SS:[EBP-48]
00508364   .  B1 04         MOV CL,4
00508366   .  E8 C9ADEFFF   CALL aa.00403134
0050836B   .  8D55 B8       LEA EDX,DWORD PTR SS:[EBP-48]
0050836E   .  8D45 B0       LEA EAX,DWORD PTR SS:[EBP-50]
00508371   .  E8 EEADEFFF   CALL aa.00403164
00508376   .  8D45 C4       LEA EAX,DWORD PTR SS:[EBP-3C]
00508379   .  8B55 F0       MOV EDX,DWORD PTR SS:[EBP-10]
0050837C   .  8A52 1E       MOV DL,BYTE PTR DS:[EDX+1E]
0050837F   .  8850 01       MOV BYTE PTR DS:[EAX+1],DL
00508382   .  C600 01       MOV BYTE PTR DS:[EAX],1
00508385   .  8D55 C4       LEA EDX,DWORD PTR SS:[EBP-3C]
00508388   .  8D45 B0       LEA EAX,DWORD PTR SS:[EBP-50]
0050838B   .  B1 05         MOV CL,5
0050838D   .  E8 A2ADEFFF   CALL aa.00403134
00508392   .  8D55 B0       LEA EDX,DWORD PTR SS:[EBP-50]
00508395   .  8D45 A8       LEA EAX,DWORD PTR SS:[EBP-58]
00508398   .  E8 C7ADEFFF   CALL aa.00403164
0050839D   .  8D45 C4       LEA EAX,DWORD PTR SS:[EBP-3C]
005083A0   .  8B55 F0       MOV EDX,DWORD PTR SS:[EBP-10]
005083A3   .  8A52 18       MOV DL,BYTE PTR DS:[EDX+18]
005083A6   .  8850 01       MOV BYTE PTR DS:[EAX+1],DL
005083A9   .  C600 01       MOV BYTE PTR DS:[EAX],1
005083AC   .  8D55 C4       LEA EDX,DWORD PTR SS:[EBP-3C]
005083AF   .  8D45 A8       LEA EAX,DWORD PTR SS:[EBP-58]
005083B2   .  B1 06         MOV CL,6
005083B4   .  E8 7BADEFFF   CALL aa.00403134
005083B9   .  8D55 A8       LEA EDX,DWORD PTR SS:[EBP-58]
005083BC   .  8D45 E8       LEA EAX,DWORD PTR SS:[EBP-18]
005083BF   .  E8 A8C7EFFF   CALL aa.00404B6C
005083C4   .  8D55 A0       LEA EDX,DWORD PTR SS:[EBP-60]
005083C7   .  8B45 FC       MOV EAX,DWORD PTR SS:[EBP-4]      ;以上依次生成真码的各位
005083CA   .  8B80 F0020000 MOV EAX,DWORD PTR DS:[EAX+2F0]
005083D0   .  E8 873CF4FF   CALL aa.0044C05C                         ;  取得输入注册码a.004
005083D5   .  8B45 A0       MOV EAX,DWORD PTR SS:[EBP-60]
005083D8   .  8D55 A4       LEA EDX,DWORD PTR SS:[EBP-5C]
005083DB   .  E8 F012F0FF   CALL aa.004096D0                         ;  取真码
005083E0   .  8B55 A4       MOV EDX,DWORD PTR SS:[EBP-5C]
005083E3   .  8B45 E8       MOV EAX,DWORD PTR SS:[EBP-18]
005083E6   .  E8 21C9EFFF   CALL aa.00404D0C                         ;  关键比较
005083EB   .  74 0C         JE SHORT aa.005083F9
005083ED      B8 D4845000   MOV EAX,aa.005084D4=====>错误信息串入eax,改这里,请看下面。
005083F2   .  E8 F9CEF3FF   CALL aa.004452F0==========>出错信息框
005083F7   .  EB 6C         JMP SHORT aa.00508465
005083F9   >  8D55 9C       LEA EDX,DWORD PTR SS:[EBP-64]
005083FC   .  A1 28F25000   MOV EAX,DWORD PTR DS:[50F228]
00508401   .  8B00          MOV EAX,DWORD PTR DS:[EAX]
00508403   .  E8 2052F6FF   CALL aa.0046D628
00508408   .  8B45 9C       MOV EAX,DWORD PTR SS:[EBP-64]
0050840B   .  8D55 F8       LEA EDX,DWORD PTR SS:[EBP-8]
0050840E   .  E8 A11AF0FF   CALL aa.00409EB4
00508413   .  8D45 F4       LEA EAX,DWORD PTR SS:[EBP-C]
00508416   .  B9 24855000   MOV ECX,aa.00508524                      ;  ASCII "Key.dat"

三、利用共享程序自己显示注册码。
1、动态跟进到这句后
005083E6   .  E8 21C9EFFF   CALL aa.00404D0C                         ;  关键比较aa.0
在stack中,ebp-18处为真码保存的地方,所以把
005083ED      B8 D4845000   MOV EAX,aa.005084D4
改为:MOV EAX,[ebp-18]

2、修改后如下:
005083E6   .  E8 21C9EFFF   CALL aa.00404D0C                         ;  关键比较aa.0
005083EB   .  74 0C         JE SHORT aa.005083F9
005083ED      8B45 E8       MOV EAX,DWORD PTR SS:[EBP-18]
005083F0      90            NOP
005083F1      90            NOP
005083F2   .  E8 F9CEF3FF   CALL aa.004452F0

3、用十六进制工具打开,查找串
E821C9EFFF740CB8D4845000E8F9CEF3FF
并把上面改为E821C9EFFF740C8B45E89090E8F9CEF3FF


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