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March 2010

how to hijack a tcp connection|hacking tcp sessions

March 26, 2010

Hijacking a tcp connection requires just a little bit knowledge about IP spoofing and ACK numbers. IP spoofing is a simple technique in which the attacker/hacker replaces the IP address of the sender i.e sends some data by confusing the receiver.ACK or SEQ numbers are used by the web servers to distinguished between different sessions and [...]

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what is ip fragment attacks|IP fragmentation hacks

March 24, 2010

IP Fragment IP fragments is useful in keeping tracks of the different parts of a datagram in TCP/IP suite.When the data packets arrived at the destination field then it is used to reassemble the datagrams.The identification value of all the IP fragments are same so the fragmentation offset is used to indicates the actual position [...]

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What is sniffing|sniffers?

March 23, 2010

Sniffing is the simple process in which the network interface card is used to receive and monitor data that is not intended for that machine.The device or software that does sniffing are known as sniffer or more simply a network analyzer.Sniffing programs are very useful in gathering sensitive information like telnet username and password,ftp username [...]

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How to spoof dns cache?dns cache poisoning/hacking

March 22, 2010

Spoofing DNS Cache: DNS i.e domain name system is distributed database with a hierarchical structure used to translate the human friendly host names into the IP address,in TCP/IP Network.So when a computer wants to communicate with www.sudobits.com then it first sends a query to the local DNS server and the dns server checks its databases [...]

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Hacking ARP(Address Resolution Protocol)

March 21, 2010

What is ARP? ARP i.e Address Resolution Protocol is a lower level(in TCP/IP stack)protocol which is used to convert IP address to MAC(Media Access Control) address.IP addresses are dynamic(In general) but mac addresses ,a link layer address, are almost static as they are allocated by the NIC(Network Interface Card) manufacturer.Hence ARP is used to associates [...]

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How to hack websites easily

March 15, 2010

Probably most of us want to hack the websites,but many questions come in mind like- why we want to hack the website(let say www.website-you-want-hack.com)? or in other words, what is our main motive behind this process? Is it legal? There may be various reasons for that questions but it can be broadly classified in to [...]

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Learning Bash-Shell Commands-Tutorial-3

March 14, 2010

1. mv command : It is used for file from one directories to another.You have to first enter the file_name(that you want to move) and then the new location of that file. SYNTAX : mv filename new_location rk10@rk-desktop:~/Desktop/log$ ls passwd.txt rk10@rk-desktop:~/Desktop/log$ cd ../ rk10@rk-desktop:~/Desktop$ cd test rk10@rk-desktop:~/Desktop/test$ ls login.txt  xyz.txt rk10@rk-desktop:~/Desktop/test$ mv login.txt /home/rk10/Desktop/log rk10@rk-desktop:~/Desktop/test$ [...]

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Learning bash-commands- tutorial-2

March 12, 2010

An easy way to learn linux commands-tutorial-2 1. pwd command : To see the current working directory use pwd command. SYNTAX : pwd rk10@rk-desktop:~$ pwd /home/rk10 rk10@rk-desktop:~$ #For more information on cd command just type help cd ,in your bash shell. 2. cp command : It is used for copying the files from one directory [...]

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Easy Way to learn bash commands-tutorial-1|Linux-Ubuntu CLI

March 12, 2010

Bash commands comes installed with the most of the linux distribution(With MAC-OS also) such as in ubuntu.the aim of this tutorial to explain about the need and importance about the bash commands followed by the basic commands.Now I am going to explain about the some basic bash commands.Before going to learn some basic commands in [...]

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How To Learn Ubuntu-Linux Commands

March 6, 2010

Learning bash/zsh/ssh shell commands is not so complex and boring as it seems.In fact when you will start learning bash shell commands then its initial steps may  looks ugly but when you will have some basic idea about commands then afterwards you will feel a keen interest in learning further commands.Working on command  line  interface [...]

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Programming Environment in Ubuntu-Linux

March 3, 2010

Linux ubuntu comes with the default text editor “gedit” ( it is the default text editor in GNOME desktop package and ubuntu comes  with GNOME desktop by default), which is an excellent source code editor.Hence gedit supports syntax coloring/highlighting/.. and it catches the proper coloring with the extension.Hence you should give the proper extension to [...]

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Who is Hacker!

March 2, 2010

First you should understand the correct meaning of the term because,the term ‘hacker’ is being misused globally from the past 10 years.Initially the term hacker referred to those computer expert (from MIT) who did some thing special in the field of computer science in the sense of improvement,those who were ready to learn more about [...]

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