心灵感应 V1.1 算法分析

软件大小： 190 KB

软件语言： 简体中文

软件类别： 国产软件 / 共享版 / 趣味软件

应用平台： Win9x/NT/2000/XP

加入时间： 2003-03-18 09:42:02

联 系 人： hanzhiyan@163.net

开 发 商： http://www.shiji.net/

下载页面: http://www.skycn.com/soft/11340.html

破解工具： EXDEC,FI

破解人： 云枫[OCN]

软件介绍：

心灵感应小游戏，它可以猜出你心里想的什么。

在网上转了一圈，来到天空下载站，发现这个软件蛮有意思的，就下载了下来，玩了两遍，居然不能玩了，要注册。怎么办？破了它。首先用FI检测一下，还好无壳，一看傻了发觉这是VB，而且是用P-CODE方式编译的。不管它了，用EXDEC载入看一看，下面就是它的主要内容和算法：

Proc: 5da928

5DA774: 1b LitStr: c:\

5DA777: 43 FStStrCopy local_0090

5DA77A: 04 FLdRfVar local_0090

5DA77D: 0b ImpAdCallI2 5da0f4

5DA782: 71 FStR4 local_0094

5DA785: 04 FLdRfVar local_008C

5DA788: 05 ImpAdLdRf: 5dc03c

5DA78B: 24 NewIfNullPr 494dd0 (Form2)

5DA78E: 0f VCallAd text

5DA791: 19 FStAdFunc local_0088

5DA794: 08 FLdPr local_0088

5DA797: 0d VCallHresult get__ipropTEXTEDIT 〈-------这里取机器码

5DA79C: 6c ILdRf local_008C

5DA79F: 0a ImpAdCallFPR4: 

5DA7A4: ed CR8R8

5DA7A5: 6c ILdRf local_0094

5DA7A8: ec CR8I4

5DA7A9: f5 LitI4: 0xacbd 44221 (....)

5DA7AE: ec CR8I4 <--------先将机器码除以44221并取整

5DA7AF: b6 DivR8

5DA7B0: f5 LitI4: 0x68660 427616 (...)

5DA7B5: ec CR8I4

5DA7B6: ab AddR8 <------然后再加上427616，结果得到的数字就是注册码

5DA7B7: Lead0/e6 FnIntR8

5DA7B9: ed CR8R8

5DA7BA: c8 EqR4 <---------判断注册码真假

5DA7BB: 32 FFreeStr

5DA7C2: 1a FFree1Ad local_0088

5DA7C5: 1c BranchF: 5DA8D1 <--------一跳就完蛋了

5DA7C8: 04 FLdRfVar local_008C

5DA7CB: 21 FLdPrThis

5DA7CC: 0f VCallAd (object 4 )

5DA7CF: 19 FStAdFunc local_0088

5DA7D2: 08 FLdPr local_0088

5DA7D5: 0d VCallHresult 禚d

5DA7DA: 04 FLdRfVar local_0090

5DA7DD: 21 FLdPrThis

5DA7DE: 0f VCallAd (object 4 )

5DA7E1: 19 FStAdFunc local_0098

5DA7E4: 08 FLdPr local_0098

5DA7E7: 0d VCallHresult 禚d

5DA7EC: 6c ILdRf local_0090

5DA7EF: Lead0/ee FnLenBStr

5DA7F1: 59 PopTmpLdAdStr local_00AC

5DA7F4: 3e FLdZeroAd local_008C

5DA7F7: Lead2/59 PopTmpLdAdStr local_00A8

5DA7FB: f5 LitI4: 0x1 1 (....)

5DA800: 59 PopTmpLdAdStr local_00A4

5DA803: 1b LitStr: password

5DA806: 43 FStStrCopy local_00A0

5DA809: 04 FLdRfVar local_00A0

5DA80C: 1b LitStr: software\wally

5DA80F: 43 FStStrCopy local_009C

5DA812: 04 FLdRfVar local_009C

5DA815: f5 LitI4: 0x80000002 -2147483646 (....)

5DA81A: 59 PopTmpLdAdStr local_0094

5DA81D: 0a ImpAdCallFPR4: 5da564

5DA822: 32 FFreeStr

5DA82D: 29 FFreeAd:

5DA834: f5 LitI4: 0x2 2 (....)

5DA839: 59 PopTmpLdAdStr local_00AC

5DA83C: 1b LitStr: 11

5DA83F: 43 FStStrCopy local_009C

5DA842: 04 FLdRfVar local_009C

5DA845: f5 LitI4: 0x1 1 (....)

5DA84A: 59 PopTmpLdAdStr local_00A4

5DA84D: 1b LitStr: timest

5DA850: 43 FStStrCopy local_0090

5DA853: 04 FLdRfVar local_0090

5DA856: 1b LitStr: system\CurrentControlSet\Control\timest

5DA859: 43 FStStrCopy local_008C

5DA85C: 04 FLdRfVar local_008C

5DA85F: f5 LitI4: 0x80000002 -2147483646 (....)

5DA864: 59 PopTmpLdAdStr local_0094

5DA867: 0a ImpAdCallFPR4: 5da564

5DA86C: 32 FFreeStr

5DA875: 27 LitVar_Missing

5DA878: 27 LitVar_Missing

5DA87B: 3a LitVarStr: ( local_00DC )

5DA880: 4e FStVarCopyObj local_00EC

5DA883: 04 FLdRfVar local_00EC

5DA886: f5 LitI4: 0x40 64 (...@)

5DA88B: 3a LitVarStr: ( local_00BC )

5DA890: 4e FStVarCopyObj local_00CC

5DA893: 04 FLdRfVar local_00CC

5DA896: 0a ImpAdCallFPR4: 

5DA89B: 36 FFreeVar

5DA8A6: 27 LitVar_Missing

5DA8A9: 25 PopAdLdVar

5DA8AA: 27 LitVar_Missing

5DA8AD: 25 PopAdLdVar

5DA8AE: 05 ImpAdLdRf: 5dc008

5DA8B1: 24 NewIfNullPr 49488c (Form1)

5DA8B4: 0d VCallHresult meth__imethSHOW

5DA8B9: 6c ILdRf local_param_0008

5DA8BC: Lead2/9c FStAdNoPop

5DA8C0: 05 ImpAdLdRf: 5dc3fc

5DA8C3: 24 NewIfNullPr 495838

5DA8C6: 0d VCallHresult CVBApplication::Unload

5DA8CB: 1a FFree1Ad local_0088

5DA8CE: 1e Branch: 5da925

5DA8D1: 27 LitVar_Missing

5DA8D4: 27 LitVar_Missing

5DA8D7: 3a LitVarStr: ( local_00BC )

5DA8DC: 4e FStVarCopyObj local_00EC

5DA8DF: 04 FLdRfVar local_00EC

5DA8E2: f5 LitI4: 0x40 64 (...@)

5DA8E7: 1b LitStr:

5DA8EA: 1b LitStr:

5DA8ED: 2a ConcatStr

5DA8EE: 23 FStStrNoPop local_008C

5DA8F1: 1b LitStr: hanzhiyan@163.net

5DA8F4: 2a ConcatStr

5DA8F5: 46 CVarStr local_00CC

5DA8F8: 0a ImpAdCallFPR4: 

5DA8FD: 2f FFree1Str local_008C

5DA900: 36 FFreeVar

5DA90B: 1b LitStr: 

5DA90E: 05 ImpAdLdRf: 5dc03c

5DA911: 24 NewIfNullPr 494dd0 (Form2)

5DA914: 0f VCallAd text

5DA917: 19 FStAdFunc local_0088

5DA91A: 08 FLdPr local_0088

5DA91D: 0d VCallHresult put__ipropTEXTEDIT

5DA922: 1a FFree1Ad local_0088

5DA925: 13 ExitProcHresult

Successfully went through the program!

Now it's up to you to decipher it hehe!

（出处：赢政天下整理收藏）

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