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Description: 该程序模拟UNIX中save与resume函数,并介绍在VC中如何使用汇编进行机器级的操作.
主函数很简单首先引入两个外部函数,extern \"C\"表示按传统C命名习惯.函数save将程序指针保存在(*s)中并返回0,为什么有
if(save(&sp)){...}
if后的语句看起来永远都不会被执行,但是运行结果表明它被执行了.这个问题同UNIX中处理机调度函数(switch)的那个if语句(第一句)一样.
程序执行完save(&sp)后得到因为条件为假而执行else语句,却在判断之前将程序指针保存在sp中了.
else语句中的resume(&sp),该函数很狡猾将堆栈中的返回地址改变了,改到了sp所指出,即将程序指针改到了执行条件判断前.resume返回1,条件满足,执行if语句.
save函数堆栈:
eip ebp+8
s ebp+4
ebp ebp+0
resume函数堆栈与save的相同.
新建一个win32的工程,将unixc.cpp和unix.obj加入过程即可.
unix.obj是用masm6.11生成的:ml /c /coff unix.asm,生成coff格式的obj而不是omf格式.-the simulation UNIX save and resume function, and the VC on how to use the compiled class machines for the operation. main function is very simple to introduce the first two external function, extern "C" said C. named by the traditional habits. function pointer procedures will save preserved in (* s) and return 0, why are there if (save (
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Size: 6261 |
Author: 摩尔 |
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Description: 工作流开发中，从AD中获取Manager信息的操作-work flow development, AD obtained from the Information Manager of operation
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Size: 24624 |
Author: zhou xin |
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Description: 经典案例，请大家仔细看看啊，
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Size: 147754 |
Author: fk |
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Description: 1、 秉承EIP-CDIO的教学理念，以实验设计的方式，通过篮球计时器的设计,运用Protel软件进行绘制原理图和PCB图，增进对电子产品的生产制作过程的了解,提高对电子产品的制作工艺的认识.
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Size: 155443 |
Author: 独用 |
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Description: ERP 人力资源管理系统-ERP human resources management system
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Size: 1414144 |
Author: 阿非 |
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Description: ERP系统原理和实施 ppt教案，详细的向你诠释erp, 推荐-ERP system theory and implementation ppt lesson plans, detailed interpretation erp you recommend
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Size: 673792 |
Author: ysh |
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Description: 经典案例，请大家仔细看看啊，-Classic case, please look at the U.S. ah,
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Size: 147456 |
Author: |
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Description: 实现企业信息门户的小型系统，可以进行后台管理，增删改差基本功能-Implementation of small-scale enterprise information portal system can Backgrounds management, additions and deletions to the basic functions of BAD
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Size: 614400 |
Author: 毕小凯 |
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Description: 很珍贵的资料，，这个主要说明cip控制协议，说明数据是如何包装的。这个协议主要是和plc通信用的。
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Size: 5130240 |
Author: star |
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Description:
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Size: 859136 |
Author: star |
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Description: 工业以太网EtherNet Industrial Protocol控制台程序-EIP console source code
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Size: 462848 |
Author: ml |
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Description: This program illustrates a simple technique to obfuscate code for automated disassemblers.
It also shows the equivalence between groups of instructions and the flexibility of the Intel IA32 instruction set.
In this case we replaced a CALL instruction with a PUSH EIP + JMP proc.
This simple trick can be used create new techniques to avoid breackpoints at the begining of function: skip start of function and jump inside.-This program illustrates a simple technique to obfuscate code for automated disassemblers.
It also shows the equivalence between groups of instructions and the flexibility of the Intel IA32 instruction set.
In this case we replaced a CALL instruction with a PUSH EIP+ JMP proc.
This simple trick can be used create new techniques to avoid breackpoints at the begining of function: skip start of function and jump inside.
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Size: 1024 |
Author: mihi64 |
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Description: 企业的一些重要eip的简介enterprise some EIP-enterprise some EIP enterprise some EIP
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Size: 525312 |
Author: lichao |
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Description: EIP winform 的OA 系统 帮助人进行办公自动化 他是企业ERP的接口-EIP winform s auto office system
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Size: 1426432 |
Author: 王军智 |
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Description: eip cip v2协议，对控制eip设备编程很有帮助-eip cip v2
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Size: 871424 |
Author: 李 |
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Description: EIP线程注入任何进程 如果有驱动保护请破保护(EIP threads are injected into any process)
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Size: 538624 |
Author: 我是父亲233
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Description: CIP EIP的说明文档，希望对大家有用(information for CIP Protocol)
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Size: 5207040 |
Author: niuzhilv
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Description: EIP经典案例Load Broker————Mule ESB实践(When shopping for a loan, a customer usually calls several banks to find the deal with the best possible interest rate. Each bank asks the customer for his or her social security number, the amount of the loan, and the desired term (i.e., the number of months until the loan has to be paid off). Each bank then investigates the customer's credit background, usually by contacting a credit agency. Based on the requested terms and the customer's credit history, the bank responds with an interest rate quote to the consumer (or declines thankfully). Once the customer has received quotes from all banks, he or she can then select the best offer with the lowest interest rate)
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Size: 452608 |
Author: 酷爱一分钱
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Description: EIP/CIP英文资料，可用于查看具体协议(to do anay thing, you can dowload it.)
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Size: 870400 |
Author: linux-开发
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Description: EtherNet/IP是适合工业环境应用的协议体系。它是由ODVA推出的最新的成员。和DeviceNet以及ControlNet一样，它们都是基于CIP(Control and Informal Protoco1)协议的网络,其中CIP在这几个网络中通用(EtherNet/IP is a protocol system suitable for industrial environment applications. It is the newest member introduced by ODVA. Like DeviceNet and ControlNet, they are all based on the Control and Informal Protoco1 (CIP) protocol, where CIP is common across these networks.)
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Size: 5207040 |
Author: zhaojiaqi |
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