Three Ways to Inject Your Code into Anot - 项目摘要 |
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Several password spy tutorials have been posted to CodeGuru, but all of them rely on Windows hooks. Is there any other way to make such a utility?
To "read" the contents of any control—either belonging to your application or not—you generally send the WM_GETTEXT message to it. This also applies to edit controls, except in one special case. If the edit control belongs to another process and the ES_PASSWORD style is set, this approach fails. Only the process that "owns" the password control can get its contents via WM_GETTEXT. So, our problem reduces to the following: How to get
::SendMessage( hPwdEdit, WM_GETTEXT, nMaxChars, psBuffer );
executed in the address space of another process.
在CodeGuru上有几个password 检测程序，但都使用了Windows hook。有其它办法吗？
要想“读”出任意控件的内容－或者属于你的应用程序，或者不属于－你通常向它发送WM_GETTEXT消息。这也可以应用于编辑框，除了一种特殊情况。如果编辑框属于另一个进程，且设置为ES_PASSWORD风格，这种方法会失败。只有拥有密码控件的进程才可以通过WM_GETTEXT得到它的内容。所以我们的问题转换为：如何让::SendMessage( hPwdEdit, WM_GETTEXT, nMaxChars, psBuffer );在另一个进程的地址空间中执行？
来源: http://www.codeguru.com/system/winspy.html |
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发布者：
cbd002
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| 最新发布源码包 |
| 软件包 |
版本号 |
日期 |
本地下载 |
| winspy_package |
1.0 |
2004-03-29 |
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