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注册时间2007-1-1
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最后登录1970-1-1
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【破文标题】Legal Billing 6.0.5.0爆破
【破文作者】spider007
【破解工具】PEiD,w32dasm,OD
【破解平台】w2k
【软件名称】Legal Billing 6.0.5.0
【软件大小】1820KB
【原版下载】http://www.onlinedown.net/soft/33242.htm
【保护方式】注册码
【软件简介】是一款对非常忙的律师和其他法律专业人员很有价值的工具,它可用来记录法案处理所用的时间,费用,报酬, 并且同时可以有
记录提供报告和客户基本说明。
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【破解过程】1.运行软件注册,提示Invalid Password。
2.PEiD查壳为UPX 0.89.6 - 1.02 / 1.05 - 1.24 (Delphi) stub -> Markus & Laszlo [覆盖],用esp定律脱壳。
3.用ImportREC修复入口点0025509C。
4.用w32dasm反汇编,查找字窜Invalid Password。双击
* Possible StringData Ref from Data Obj ->"law"
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:0060FD29 BA80FE6000 mov edx, 0060FE80
:0060FD2E E8255DDFFF call 00405A58
:0060FD33 7542 jne 0060FD77 //关键跳转,跳到错误提示,把它NOP掉,爆破成功。
:0060FD35 68FF000000 push 000000FF
* Possible StringData Ref from Data Obj ->"License"
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:0060FD3A B98CFE6000 mov ecx, 0060FE8C
* Possible StringData Ref from Data Obj ->"Software\Chaos Software Group\Legal "
->"Billing"
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:0060FD3F BA9CFE6000 mov edx, 0060FE9C
:0060FD44 B802000080 mov eax, 80000002
:0060FD49 E89E3CFEFF call 005F39EC
* Possible StringData Ref from Data Obj ->"Licensed Version"
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:0060FD4E BAD0FE6000 mov edx, 0060FED0
:0060FD53 8B8374030000 mov eax, dword ptr [ebx+00000374]
:0060FD59 E81A76E8FF call 00497378
:0060FD5E 33D2 xor edx, edx
:0060FD60 8B8378030000 mov eax, dword ptr [ebx+00000378]
:0060FD66 E8FD74E8FF call 00497268
* Possible StringData Ref from Data Obj ->"Thank you! We very much appreciate "
->"your support."
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:0060FD6B B8ECFE6000 mov eax, 0060FEEC
:0060FD70 E8AF72E7FF call 00487024
:0060FD75 EB0D jmp 0060FD84
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0060FD33(C) //这里是关键跳转,到60FD33去看看
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* Possible StringData Ref from Data Obj ->"Invalid Password" //来到这里,向上找关键跳转
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:0060FD77 B828FF6000 mov eax, 0060FF28
:0060FD7C E8A372E7FF call 00487024
:0060FD81 FF430C inc [ebx+0C]
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【破解总结】注册信息保存在
HKEY_LOCAL_MACHINE\SOFTWARE\Chaos Software Group\Legal Billing
不用爆破,修改License的值为FF,注册成功。
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