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How to test Shell-Codes
Continuation of Shell-coding basics..I suggest a glance over it before you start reading this..
Testing
We'll be using a simple C program to accomplish our task.
Read more...
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Stack Overflow - EIP Overwrite Basics
EIP ( Extended Instruction Pointer ) is a register that points to the next instruction...It simply points to the address in which that instruction is placed...So if we overwrite this we can change the direction flow of the program and make it do what we want....
In other words if we overwrite...
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Hello World in Assembly
Assembly language is one of the oldest low-level programming language for computers , micro-processors etc etc...It implements a symbolic representation of the Machine Opcodes needed to program a given CPU Architecture...Its a language based on mnemonics , labels , instructions , memory addresses...
Read more...
How to exploit system() call in C
Unix/Linux/Windows systems uses PATH variable to look up the standard bin files of the inbuilt command in the Shell...This PATH variable can be changed and thus we can change the flow of a program using system() call...How? This we'll be seeing in this tutorial..
Method
We'll be using a basic...
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How to Create processes in Unix C
Processes are the primitive units for alocation of system resources...Each process have their own address space and usually one thread of control. The process which makes another process is called the parent and the process which it makes is called a child process..As we know every process have its...
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Stack Overflow Code Execution Basics
This is a continuation of my previous article on Stack Overflows - EIP Overwrite Basics..I suggest a glance over it before reading further...
Again in this article we'll be using a vulnerable program to demonstrate our attack..
Our main motive is to change the direction of the vulnerable program...
Read more...
How Anti-Viruses Works
Anti-Virus is a software or a program that can scan your files and data in your computer prevent you from firmwares and viruses...
How Does it works
Anti-Virus uses 2 different techniques to accomplish its tasks :-
1. Examining Files and comparing its signature/structure to that of viruses present in a database or a text file...This is called a virus-dictionary..
2. Identifying some suspicious behavior from any Program or Software sitting on the system
Read more...
Basics of CrackMe With Sample and Example - Part 4
In this article we'll be seeing yet another easy crackme... This crackme is another simple compare crackme but uses ints with C fuctions like scanf() etc..
For Earlier parts refer
1. Basics of CrackMe With Sample and Example...
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Bash Simple Tricks (Continuation) - Part 3
This is continuation of my previous articles .. So let me begin
Again I am following a question - solution...
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Difference between Database & Database Management System
Database is an organised collection of data or information so that it can be easily accessed, updated or manipulated.
Database management system (DBMS) is a software that manages database on a computer. Eg. microsoft access, MySQL, oracle etc.
Database are classified according to their...
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Basics of LAMP - How it Works?
LAMP is acronym for Linux , Apache , MySql , PHP/Perl/Python(CGI)..Its a solution stack of opensource programmes and its a platform Wherein each component plays a specific and important role..
Components
Linux - Linux Provides the basic Operating System and Environments
Apache -...
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Understanding Format Strings and Their Vulnerbilities - Part 2
This is a continuation of my previous article on format string vulnerbilities ..I suggest a glance over it before reading further..
In this tutorial we'll be see how do we display a string(data) at a particular address..
We'll be using a...
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Basics of SEH and How it Works?
SEH stands for Structured Exception Handler as the name suggests it is used to handle exceptions and change the course program towards the code pointed by it...(You.ll get clear image of it.. In the following article..)Its a software method of exception handling... and can handle both software and...
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Using Sessions in PHP
Every web-applications needs to transfer data from one page to another and one of the way of doing it is using sessions in PHP..
Sessions are a special type of variables used to transfer/carry data from one page to others.. In this tutorial i.ll be covering PHP version 4.1.0 and above..
Using...
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Basics of cronjobs and How to use them?
Cron is a Unix/Linux etc .. utility thaat allows the tasks to be run at specific time as well as at specific intervals..The job that the program does are know as CronJobs and are stored in a table (Cron Table)..
Using
To schedule any task with cron we can use crontab command in Unix..
Lets...
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Alternating Colored Rows in vBulletin 4 [No Plugin]
How to have alternating colored rows (and not columns) in vBulletin 4. After searching around, I found one by William, Very nice work. His solution is for vBulletin 3 but it can...
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