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Attackers can use the environment variable LD_PRELOAD to bypass phpdisable_function and execute the system command 0x00. If you encounter a server with better security configurations during penetration testing, when you obtain a php webshell in

The first kind of understandingFor example, you have developed a DLL library in C + +, in order to enable the C language to call your DLL output (export) function, you need to use extern "C" to force the compiler not to modify your The name of the

For example, if you have developed a dll library using C ++, in order to enable the C language to call your DLL output (export) function, you need to use extern "c" to force the compiler not to modify your function name. Generally, you can see code

Transferred from: http://blog.csdn.net/ljfth/article/details/3965871The first kind of understandingFor example, you have developed a DLL library in C + +, in order for C to be able to call your DLL output (export) function, you need to use extern "C"

about Extern_cTypically, a code similar to the following is often seen in the header file of the C language:[Plain]View Plaincopyprint? #ifdef __cplusplus extern "C" { #endif /**** some declaration or so *****/

For example, you have developed a DLL library with C, in order to enable the C + + language to call your DLL output (export) function, you need to use extern "C" to force the compiler not to modify your function name.Typically, a code similar to the

"description" This article reproduced from the East Sunrise West Rain article http://songpengfei.iteye.com/blog/1100239-----------------------------------------For example, you have developed a DLL library with C, in order to enable the C + +

Determination of variable types in javascript   In JavaScript, there are 5 basic data types and 1 complex data type. The basic data types include:Undefined,Null,Boolean,NumberAndString; The complex data type isObject,ObjectIt also subdivided into

After reading the post of the landlord, I couldn't help but feel the spirit of it. I realized that one of the seven meridians and eight pulses was smooth, and I also made a six-Coincidence half. Since ancient times, the hero came out as a teenager

In JavaScript, there are 5 basic data types and 1 complex data types, with basic data types: Undefined, Null, Boolean, number, and string; Complex data types are also subdivided into many specific types in object,object. For example: Array, Function,