System Hacking

System Hacking:-

            System hacking is the process of intruding a system or network has not given authorization to the intruder. The goal of the system hacking to use a victims system or network use remotely.

System hacking Techniques:-

·       Steps to crack Passwords

        There is no prefix sure method for cracking Password, There are different ways of cracking Password. Following are bored category of creaking Password.

Ø  Dictionary

Ø  Brute force

Ø  Circumvention

Ø  Decryption

  : Dictionary:-

Dictionary attack use to words out from a dictionary instead of attempting words combination.

Following are some Software’s for Dictionary Attack:-

                        1)Cainn-able

                        2)Aircrack NG

                        3)Ophcrack

                        4)Metaspolite Project

  : Brute force:-

In brute force attack hacker trying lot of passwords to crack system, it’s a most simple method to gain access. It attempt user names and other combination to gain access.

·       Hybrid:-

Hybrid attack is a combination of brute force and dictionary attack, a full bruteforce key space connected to the word of dictionary.

v LM Hash ad Sam file:-

Originally window password more then 15 characters store in LM hash format. LM hash is a compromised password hashing function, used to store a password.

v Hindan files :-

Hackers will store a hidden file In a system, using WinRAR or changing file exchanger.

v Key logger:-

The key logger is a record a struck on keyboard and computer, typically in a convert manner so that the person using keyboard is unaware.

v Rootkit:-

The rootkit is a collection of programs that enable administrator access to a computer system.

ü  Application level Rootkit:-

Application level Rootkit operate inside the victim’s computer by editing standard application files with rootkit files or changing the functioning of present applications, injected codes etc.

  : Cover Tracks:-

What is the covering tracks?

 Attackers prepares to clear the evidence from the log or history of victims system, installing Rootkits and installing Rootkit ad backdoor.

·       Login Records

·       File access / update time

·       Stop and restarted service

  : Clearing Track Tools:-

·       Backtrack

·       Attackers ca alter log files via editors such as vi or emacs

·       Winzapper tool allows attacker to selectively delete security evet.

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