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Description: 让进程在系统中更加隐蔽(2) 一般来说一个后门程序需要更改系统的某些文件来让程序在系统启动执行这个程序， 又要在某个地方保留这个程序（一般是在硬盘）。如果有什么办法不这样做又让程序在 系统中运行的话，就可以使后门程序更加隐蔽。也就是说程序在硬盘上找不到在系统的 启动配置中没有这有项。真正要做到这样好象不太现实，但可以采用简单的方法：在程 序被执行后删除程序文件和启动文件中被更改的部分，然后在系统被关闭前保留程序文 件和更改启动文件，让它在系统启动时又能被执行。 程序是一个可执行文件在被执行时系统会把它保护起来，如果要删除它需要更改系 统！很麻烦！可以把代码放到其他程序中作为另外进程的线程来运行既利用创建远程线程 函数。系统被关闭一般有三种情况：正常关机，掉电(不正常关机),一键关机(按下power). 对于正常关机，程序会收到CTRL_SHUTDOWN_EVENT的信号，一键关机，可以简单的使用钩子 但掉电(不正常关机)老农实在想不出办法。好在一般的nt服务器很少这种情况。 在nt系统下用CreateService来注册一个服务，当然是在系统SHUTDOWN前。在启动时 用DeleteService删除这个服务,保存一个程序文件在虚拟内存中,删除在硬盘上程序-process in the system to allow a more subtle (2) In general a backdoor procedures need to change the system to certain documents procedures for the system to initiate the implementation of this procedure, but also to retain a place in the process (usually in a hard disk). If there is any way to do so without letting procedures in the system running, then we can process more subtle back door. In other words procedures not found in the hard disks on the system's configuration did not start with this item. Really want to do so it did not seem realistic, but it is a simple approach : in the process would be implemented to delete files and startup files were altered, Then the system was closed down before the document retention procedures and changes in startup files, it started when the sy
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Size: 75506 |
Author: 无间刀 |
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Description: 可以用于格式化你机器上的所有硬盘以便重新装系统-used in formatting all your hard disks in order to install system
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Size: 29765 |
Author: 立陶 |
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Description: DiskExt demonstrates the use of the IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS command that returns information about what disks the partitions of a volume are located on (multipartition disks can reside on multiple disks) and where on the disk the partitions are located. -DiskExt demonstrates the use of the IOCTL_ VOLUME_GET_VOLUME_DISK_EXTENTS command tha t returns information about what disks the part itions of a volume are located on (multipartiti on disks can reside on multiple disks), and where on the disk the partitions are located.
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Size: 21499 |
Author: 李杰 |
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Description: Although there has been a lot of AVL tree libraries available now, nearly all of them are meant to work in the random access memory(RAM). Some of them do provide some mechanism for dumping the whole tree into a file and loading it back to the memory in order to make data in that tree persistent. It serves well when there s just small amount of data. When the tree is somewhat bigger, the dumping/loading process could take a lengthy time and makes your mission-critical program less efficient. How about an AVL tree that can directly use the disk for data storage ? If there s something like that, we won t need to read through the whole tree in order to pick up just a little bit imformation(a node), but read only the sectors that are neccssary for locating a certain node and the sectors in which that node lies. This is my initial motivation for writing a storage-media independent AVL Tree. However, as you step forth, you would find that it not only works fine with disks but also fine with memorys, too.-Although there has been a lot of AVL tree libraries available now, nearly all of them are meant to work in the random access memory(RAM). Some of them do provide some mechanism for dumping the whole tree into a file and loading it back to the memory in order to make data in that tree persistent. It serves well when there s just small amount of data. When the tree is somewhat bigger, the dumping/loading process could take a lengthy time and makes your mission-critical program less efficient. How about an AVL tree that can directly use the disk for data storage If there s something like that, we won t need to read through the whole tree in order to pick up just a little bit imformation(a node), but read only the sectors that are neccssary for locating a certain node and the sectors in whic
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Size: 87430 |
Author: 高名 |
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Description: 写软盘扇区的小程序及ASM源程序，采用ASM编程，直接使用BIOS INT 13H，使用方法，wr sourcefilename 0x115600 0x3000,参数1：被写文件名，参数2：起始逻辑扇区号，参数3：写长度-sector of floppy disks to write small programs and ASM source code, using ASM programming, direct use of the BIOS INT 13H, use, wr sourcefilename 0x115600 0x3000, a parameter : written documents, and two parameters : initial logic sector, three parameters : write length
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Size: 3759 |
Author: tonyyang |
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Description: memC之魅力整理硬盘发现以现收集的一个源程序-memC hard disks found in the collection is a source
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Size: 1110 |
Author: allen |
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Description: The C# program will solve the Tower of Hanoi for a given number of rings/disks/plates and display the ring/disk/plate movement. The movement will be shown graphically-The C# program will solve the Tower of Hanoi for a given number of rings / disks / plates and di SED the ring / disk / plate movement. The movem ent will be shown graphically
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Size: 12929 |
Author: 林东毅 |
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Description: EBF533开发板上对各端口输入输出数据进行处理的实用程序，包括硬盘、CMOS、视频、以太网等接口。-EBF533 development of the port board input and output data for the practical procedures, including hard disks, CMOS, video, Ethernet, and other interface.
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Size: 226660 |
Author: 尹奕 |
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Description: Visual.C++编程技巧精选500例随书附盘
第1章 消息框
1.消息框设置演示
第2章 常用控件
13.如何使用picturebox 控件浏览多种格式的图像？
12.如何使listcontrol控件支持整栏选择？
11.如何在列表框中自动装载磁盘文件列表？
10.如何显示载有richedit 控件的对话框？
9.如何限制编辑控件输入的字符类型？
8.如何在程序窗口中创建按钮控件？
7.按钮设置演示
6.如何使用滚动条控件？
5.如何使用进度条控件？
4.如何使用列表控件？
3.如何使用树形控件？
2.如何使用标签控件？
1.如何使用滑块控件？
第3章 通用对话框
8.如何在程序启动时弹出文件打开对话框？
7.如何在文件对话框中预览位图文件？
6.文件对话框文件夹操作演示
5.文件对话框使用演示
4.如何使用查找与替换对话框？
3.如何使用页面设置对话框？
2.如何使用颜色对话框？
1.如何使用字体对话框？
第4章 标题栏与菜单栏
26.如何在子菜单中记录历史文件？
25.如何确定顶层菜单所占的行数？
24.如何取消对菜单状态的限制？
23.如何取消应用程序菜单栏？
22.如何获取菜单栏高度？
21.如何在对话框类型的应用程序中加载菜单？
20.如何设计自定义快捷菜单？
19.如何创建一个弹出式菜单？
18.如何触发一个菜-Visual.C programming skills selected 500 cases with Disks Chapter 1 of a news box. Speech news box set Chapter 2 of said common control 13. how to use the picturebox control View Multi-Format Image? 12. How listcontrol Control supportive of the whole column choice? 11. How the list box automatically loading disk document lists? 10. How to show contains dialog richedit controls? 9. How to restrict the importation of editorial control character type? 8. How to create window control buttons? 7. Button to display six. How to use the scroll controls? 5. How to use the progress of control? 4. How to use control list? 3. How to use tree controls? 2. How to use the label control? 1. How to use slider controls? Chapter 3 common dialog 8. How commencement of the proceedings while the document open d
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Size: 22677475 |
Author: lueying |
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Description: LINUX目录详解
根文件系统一般应该比较小，因为包括严格的文件和一个小的不经常改变的文件系统不容易损坏。损坏的根文件系统一般意味着除非用特定的方法(例如从软盘)系统无法引导，所以不应该冒这个险。
根目录一般不含任何文件，除了可能的标准的系统引导映象，通常叫/vmlinuz 。所有其他文件在根文件系统的子目录中。
-LINUX Comments on the root directory system in general be relatively small, because including strict documentation and a small change of the regular file system is not easy to damage. Damage to the root system generally means that unless you use a specific method (for example, from floppy disks) system is unable to guide, they should not take the risk. Root directory generally do not contain any documents, with the possible exception of the standard guide mapping system, usually called / vmlinuz. All other documents in the root file system subdirectories.
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Size: 8633 |
Author: h |
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Description: (U盘MP3)FAT文件系统源码,u盘，mp3下的文件系统，完全兼容fat16，fat32，加上自己的硬盘驱动接口后应该可以使用-(U disk MP3) FAT file system source code, u disks, mp3 under the file system, fully compatible fat16, fat32, coupled with its own hard disk drive interface can be used after
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Size: 36283 |
Author: 等到 |
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Description: 制作虚拟硬盘的源码 1制作虚拟硬盘的源码 2制作虚拟硬盘的源码 3-produced virtual hard disk produced a virtual source of the source disk produced two virtual hard disks source 3
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Size: 6633 |
Author: 成长 |
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Description: 完美的虚拟加密文件系统程序。可以加密硬盘、优盘等，可以创建自己的文件保险箱，界面简单、易用。-perfect virtual file system encryption procedures. Can be encrypted hard disks You Pan, and can create your own documents safe, simple interface, easy-to-use.
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Size: 562012 |
Author: 李继勇 |
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Description: 一个数据库课程设计，基于microsoft access 和vb的设计，可实现简单的删除修改查询和登记（由于需要设置路径，简单的作可以将其放置于F盘，即可运行-a database curriculum design, based on microsoft access and vb the design, can be amended to delete simple inquiries and registration (because of the need to set path for a simple can be placed on the F disks, can run
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Size: 4605 |
Author: 赵智斌 |
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Description: 本系统的客户程序是Java Applet，但它的执行需要读本地硬盘，以及进行安全算法方面-the system is the client Java applet, but its implementation requires local hard disks, and safety aspects Algorithm
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Size: 7409 |
Author: allen |
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Description: 获得系统的信息:硬盘、显示器、内存、鼠标、等等信息...。-access system information : hard disks, monitors, memory, mouse, and so on information ....
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Size: 8465 |
Author: 张一 |
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Description: 获得系统的信息_硬盘、显示器、内存,VB6.0环境编写....很实用哦!-access system information _ hard disks, monitors, memory, the preparation of the environment .... VB6.0 very practical!
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Size: 2954 |
Author: wss |
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Description: In order to thoroughly understand what makes Linux tick and why it works so well on a wide variety of systems, you need to delve deep into the heart of the kernel. The kernel handles all interactions between the CPU and the external world, and determines which programs will share processor time, in what order. It manages limited memory so well that hundreds of processes can share the system efficiently, and expertly organizes data transfers so that the CPU isn t kept waiting any longer than necessary for the relatively slow disks.-In order to thoroughly understand what mak es Linux tick and why it works so well on a wide var iety of systems, you need to delve deep into the heart of the kerne l. The kernel handles all interactions between the CPU and the external world, and determines which programs will share proce ssor time, in what order. It manages limited memory so well that hundreds of processes can share the system efficiently. and expertly organizes data transfers so that t he CPU is not kept waiting any longer than necessa ry for the relatively slow disks.
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Size: 2889481 |
Author: 丁绍洁 |
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Description: 工资管理系统（可更改标题及位置）本程序用于工资的保存、打印.使用前需定位后端数据库所在硬盘位置-wage management system (to change the title and position) of the procedures for the preservation of wages, Print. Before the use of the back-end database positioning location where hard disks
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Size: 260717 |
Author: feyan |
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Description: How to work with the disks and files
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Size: 7168 |
Author: Fershal
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