Speed Video Splitter 4.32 的注册算法分析

程序没有加壳,直接用OD载入!
输入假码有提示,可能通过查找参考字符或者难过堆栈返回找到关键CALL:


00404917         .  8>lea edi,dword ptr ds:[esi+64]
0040491A         .  5>push eax
0040491B         .  5>push ecx
0040491C         .  E>call Speed_Vi.0040E320
00404921         .  8>add esp,8
00404924         .  8>test al,al
00404926         .  7>jnz short Speed_Vi.00404944
00404928         .  6>push 40
0040492A         .  6>push Speed_Vi.004233A4                 ;  ASCII "Sorry"
0040492F         .  6>push Speed_Vi.00423378                 ;  ASCII "Invalid username or registration code      "
00404934         .  8>mov ecx,esi
00404936         .  E>call <jmp.&MFC42.#4224>
0040493B         .  C>mov byte ptr ds:[42484C],0
00404942         .  E>jmp short Speed_Vi.0040499B
00404944         >  5>push edi
00404945         .  8>lea eax,dword ptr ss:[esp+C]
00404949         .  6>push Speed_Vi.0042336C                 ;  ASCII "License to "

继续阅读“Speed Video Splitter 4.32 的注册算法分析”

Speed Video Splitter 4.32[绿色注册版]

Speed Video Splitter是一款小巧而快速的视频分割软件。他可以对支持的视频文件依据您指定的头和尾进行分割。目前支持的类型有:AVI(Divx,xDiv),MPEG-4,mpeg(vcd,svcd,dvd兼容格式),wmv,asf,Quick Time,VOB,DAT。

[color=#0000FF]说明:KeyGen是控制台程序,双击即可运行!
已经打包在压缩里,为了方便,附件备份一个![/color] 继续阅读“Speed Video Splitter 4.32[绿色注册版]”