Sunday, July 31, 2011

Wifi Network Hacking Ultimate Pack

All tutorilas about hacking wifi. From basic to advanced. It took only 2 hours, We can use wifi free everywhere, everywhen.

Hacking Videos-Part1 / videos_pt1 / 128 Bit Wep Cracking With Injection!.swf 13 MB
Hacking Videos-Part1 / videos_pt1 / Adding Modules to a Slax or Backtrack Live CD from Windows.swf 4.2 MB
Hacking Videos-Part1 / videos_pt1 / Basic Nmap Usage!.swf 8.3 MB
Hacking Videos-Part1 / videos_pt1 / BufferOverflowPart2-Shellcoding ByIDEspinner.avi 12.7 MB
Hacking Videos-Part1 / videos_pt1 / BufferOverflowPart3ExploitsByIDEspinner.avi 15.2 MB
Hacking Videos-Part1 / videos_pt1 / How to decrypt SSL encrypted traffic using a man in the middle attack (Auditor).swf 32.2 MB
Hacking Videos-Part1 / videos_pt1 / Sniffing Remote Router Traffic via GRE Tunnels (Hi-Res).avi 121.5 MB
Hacking Videos-Part2 / A Quick and Dirty Intro to Nessus using the Auditor Boot CD!.swf 2.8 MB
Hacking Videos-Part2 / Breaking WEP in 10 minutes.avi 27.6 MB
Hacking Videos-Part2 / Complete Hacking Video using Metasploit – Meterpreter.swf 12.5 MB
Hacking Videos-Part2 / Cracking a 128 bit WEP key (Auditor).swf 50.6 MB
Hacking Videos-Part2 / Cracking a 128 Bit Wep key entering the cridentials.swf 22.1 MB
Hacking Videos-Part2 / Cracking Syskey and the SAM on Windows Using Samdump2 and John!.swf 2.5 MB
Hacking Videos-Part2 / Cracking Windows Passwords with BackTrack and the Online Rainbow Tables at Plain-Text!.swf 4.3 MB
Hacking Videos-Part2 / Cracking WPA Networks (Auditor).swf 14.8 MB
Hacking Videos-Part2 / DoS attack against Windows FTP Server – DoS.avi 10 MB
Hacking Videos-Part2 / Droop s Box Simple Pen-test Using Nmap, Nikto, Bugtraq, Nslookup and Other Tools!.swf 6.6 MB
Hacking Videos-Part2 / Exploiting some bugs of tools used in Windows.swf.swf 16 MB
Hacking Videos-Part2 / Exploiting weaknesses of PPTP VPN (Auditor).swf 5.5 MB
Hacking Videos-Part2 / Finding Rogue SMB File Shares On Your Network!.swf 5.5 MB
Hacking Videos-Part2 / Fun with Ettercap Filters!.swf 2.4 MB
Hacking Videos-Part2 / How to crack the local windows passwords in the SAM database .swf 6.8 MB
Hacking Videos-Part2 / How to sniff around switches using Arpspoof and Ngrep!.avi 3.2 MB
Hacking Videos-Part3 / Anonym.OS LiveCD with build in Tor Onion routing and Privoxy.swf 3.3 MB
Hacking Videos-Part3 / BackTrack LiveCD to HD Installation Instruction Video .swf 7.1 MB
Hacking Videos-Part3 / Basic Tools for Wardriving!.swf 2.7 MB
Hacking Videos-Part3 / Bluesnarfer attack tool demonstration.swf 9.8 MB
Hacking Videos-Part3 / IDEspinner Buffer Overflows pt1.avi 2.5 MB
Hacking Videos-Part3 / IDEspinner Feature Addition pt2.avi 11.3 MB
Hacking Videos-Part3 / IDEspinnerDNS-PoisonRouting.avi 5 MB
Hacking Videos-Part3 / Install VNC Remotely!.avi 2.9 MB
Hacking Videos-Part3 / Internet Explorer Remote Command Execution Exploit (CMDExe) Client Side Attack (Hi-Res).avi 25.7 MB
Hacking Videos-Part3 / Internet Explorer Remote Command Execution Exploit (CMDExe) Client Side Attack (Lo-Res).avi 19.9 MB
Hacking Videos-Part3 / John The Ripper 1.7 password cracker Installation Instruction Video .swf 2.6 MB
Hacking Videos-Part3 / Local Password Cracking Presentation for the Indiana Higher Education Cybersecurity Summit 2005!.swf 5.7 MB
Hacking Videos-Part3 / MAC Bridging with Windows XP and Sniffing!.swf 1.4 MB
Hacking Videos-Part3 / Mass De-Authentication using void11 (Auditor).swf 16.5 MB
Hacking Videos-Part3 / Metasploit Flash Tutorial!.swf 3.2 MB
Hacking Videos-Part3 / MITM Hijacking.wmv 52.3 MB
Hacking Videos-Part3 / Nmap Video Tutorial 2 Port Scan Boogaloo!.swf 13.4 MB
Hacking Videos-Part3 / Sniffing logins and passwords.avi 7.1 MB
Hacking Videos-Part4 / A Penetration Attack Reconstructed.avi 40.2 MB
Hacking Videos-Part4 / Bluesnarfing a Nokia 6310i hand set.avi 11.5 MB
Hacking Videos-Part4 / Cain to ARP poison and sniff passwords!.avi 1.7 MB
Hacking Videos-Part4 / Sniffing Remote Router Traffic via GRE Tunnels (Lo-Res).avi 71 MB
Hacking Videos-Part4 / Sniffing VoIP Using Cain!.swf 1.7 MB
Hacking Videos-Part4 / Snort Instruction video – howto install into backtrack.swf 10.6 MB
Hacking Videos-Part4 / SSH Dynamic Port Forwarding!.swf 3 MB
Hacking Videos-Part4 / Start a session and get interactive commandline access to a remote Windows box!.avi 5 MB
Hacking Videos-Part4 / Telnet Bruteforce.avi 18.9 MB
Hacking Videos-Part4 / Tunneling Exploits through SSH.avi 18.1 MB
Hacking Videos-Part4 / Use Brutus to crack a box running telnet!.avi 1.7 MB
Hacking Videos-Part4 / Using NetworkActiv to sniff webpages on a Wi-Fi network!.swf 1.3 MB
Hacking Videos-Part4 / WEP Cracking using Aireplay v2.2 Beta 7 (Whax 3.0).swf 5.2 MB
Hacking Videos-Part4 / WMF File Code Execution Vulnerability With Metasploit!.swf 3.7 MB
Hacking Videos-Part4 / WPA Cracking using Aireplay v2.2 Beta 7 (Whax 3.0).swf 5.2 MB
Hacking Videos-Part5 / BackTrack LiveCD to HD Installation Instruction Video .swf 7.1 MB
Hacking Videos-Part5 / Basic Nmap Usage!.swf 8.3 MB
Hacking Videos-Part5 / Basic Tools for Wardriving!.swf 2.7 MB
Hacking Videos-Part5 / Bluesnarfer attack tool demonstration.swf 9.8 MB
Hacking Videos-Part5 / Bluesnarfing a Nokia 6310i hand set.avi 11.5 MB
Hacking Videos-Part5 / Breaking WEP in 10 minutes.avi 27.6 MB
Hacking Videos-Part5 / Complete Hacking Video using Metasploit – Meterpreter.swf 12.5 MB
Hacking Videos-Part5 / Cracking Syskey and the SAM on Windows Using Samdump2 and John!.swf 2.5 MB
Hacking Videos-Part5 / Cracking Windows Passwords with BackTrack and the Online Rainbow Tables at Plain-Text!.swf 4.3 MB
Hacking Videos-Part5 / Cracking WPA Networks (Auditor).swf 14.8 MB
Hacking Videos-Part5 / DoS attack against Windows FTP Server – DoS.avi 10 MB
Hacking Videos-Part5 / Exploiting some bugs of tools used in Windows.swf.swf 16 MB
Hacking Videos-Part5 / How to crack the local windows passwords in the SAM database .swf 6.8 MB
Hacking Videos-Part5 / How to decrypt SSL encrypted traffic using a man in the middle attack (Auditor).swf 32.2 MB
Hacking Videos-Part5 / Install VNC Remotely!.avi 2.9 MB
Hacking Videos-Part5 / John The Ripper 1.7 password cracker Installation Instruction Video .swf 2.6 MB
Hacking Videos-Part5 / Local Password Cracking Presentation for the Indiana Higher Education Cybersecurity Summit 2005!.swf 5.7 MB
Hacking Videos-Part5 / MAC Bridging with Windows XP and Sniffing!.swf 1.4 MB
Hacking Videos-Part5 / Metasploit Flash Tutorial!.swf 3.2 MB
Hacking Videos-Part5 / SSH Dynamic Port Forwarding!.swf 3 MB
Hacking Videos-Part5 / Start a session and get interactive commandline access to a remote Windows box!.avi 5 MB
 
Download Links:
 

TrustPort Products (Enterprise Editions) 2011 11.0.0.4621 Multilanguage


TrustPort Products (Enterprise Editions) 2011 11.0.0.4621 Multilanguage

TrustPort is a major producer of software solutions for secure communication and reliable data protection. TrustPort products are characterized by a comprehensive approach to security of both computers and computer networks, protecting against known threats, whilst effectively facing new dangers. They excel in several security areas including antivirus technology, antispam methods, and encryption technology.

@ENTERPRISE
TrustPort Antivirus 2011
TrustPort Internet Security 2011
TrustPort Total Protection 2011
TrustPort Antivirus for Servers 2011
TrustPort Antivirus for Small Business Server 2011
TrustPort USB Antivirus 2011

TrustPort Internet Security 2011 is a comprehensive software solution for the safety of your computer. At all entry points, it protects against various types of malicious codes; it provides antivirus, antispyware and antiadware control. It checks electronic mail and reliably takes away spam. It prevents downloading malware from the web environment, it protects children and youth against improper web content.

It controls all communications with the internet and enables blocking of unknown connections. The solution further increases security of stored data and of their exchange, via tools for real time encryption, for communications verified by electronic signature, for creation of encrypted archives, for reliable shredding of sensitive data intended to be erased.

In comparison with previous versions, TrustPort Internet Security brings a brand new graphical user interface with neat modern icons. In addition to the default skin, user can choose from hundreds of other skins, available for free on the internet. The solution can be used in two operating modes, for beginners or for advanced users. First one offers easy and transparent control of all essential functions, second one enables detailed settings according to the needs of the user.

Users working on more workstations will appreciate option of creating portable antivirus protection on a flash disk. Furthermore, you will also have the possibility to create a recovery disk in advance, just in case of any fatal operation system failure.

Here are some key features of "TrustPort Internet Security 2011":
Protection of Local Files:
· The resident protection continuously monitors files being opened and does not allow malware to be launched. At planned intervals the program carries out a preventative check of the entire disk. As a result of the use of two top quality scanning motors the abilities of the program to detect harmful code are among the best in the world.

Web Protection:
· Web pages are the most common source of virus infections therefore the program scans files while they are being downloaded from the internet. It is possible to automatically identify data streams such as audio or video transmissions which it is not necessary to scan. Typical phishing sites are identified and blocked.

Mail Protection:
· Electronic mail is checked for the presence of malware and spam. Full integration into Microsoft Outlook, Mozilla Thunderbird, Outlook Express and Windows Mail is offered. It is also possible to scan all incoming post from any selected client.

Personal Firewall:
· All Internet contacts between the computer and the outside world are monitored. The majority of legitimate applications are automatically recognized and communication with the Internet is permitted. Unknown or suspicious applications are blocked or in some cases you will be asked whether you would like to permit or block them. The program enables a wide range of firewall settings to be used.

Family Protection:
· The program distinguishes 13 categories of unwanted web sites for example pornographic or gambling sites which it is possible to block using the family lock feature. Individual users are able to create their own profile regarding the blocking of selected categories.

Portable Antivirus:
· The special properties which this program offers are created in a transferable version of the Antivirus program for your USB flash disk. Your data is protected when transferred to your key ring and at the same time you have the opportunity to carry out antivirus checks on any computer with USB capability.

TrustPort Total Protection 2011 protects the computer from viruses and spyware at all entry points. All electronic mail and websites are examined in order to detect dangerous or unwanted content. It enables the reliable protection of sensitive data by encryption or the permanent shredding of confidential files no longer in use. Give TrustPort Total Protection 2011 a try to fully assess its capabilities!

Here are some key features of "TrustPort Total Protection 2011":
· Antivirus and Antispyware
· The program uses traditional scanning and heuristic analysis in order to disable any malware which might enter the computer from the internet or add on media. Two top quality motors ensure the detection of harmful code almost to the magic figure of 100%.

· Personal Firewall
· The firewall serves to distinguish between legitimate and illegitimate connections between the computer and the Internet. The program automatically allows Internet communication for commonly used applications. In the case of unknown or suspicious programs the user is always asked whether connection should be permitted or disabled.

· Family Protection
· The program protects children and young people from web content which might be harmful to them. It enables pre selection of website categories which should be blocked such as pornography or gambling sites for example. Various profiles can be created with a variety of settings.

· Encryption and Shredding of Data
· Two methods of file encryption are available. For the secure backing up of data it is advantageous to store it in an encrypted archive, for everyday security it can be kept on an encrypted disk. In addition the program enables the permanent shredding of sensitive data which is no longer in use.

· Portable Antivirus
· With the help of this program you can generate a transferable version of the Antivirus on your USB disk which at the same time enables the antivirus scanning of any given computer on which you may be working.

· System Back Up Disk
· In the case of serious virus damage the program enables the creation of a system back up disk with an antivirus module. After downloading the operating system from the back up disk it is possible to eliminate malware not possible to remove by other means.

TrustPort Antivirus 2011 is a compact software solution for computer security against harmful codes, spam, fraudulent websites and other risks. At all entry points of the computer, it provides antivirus, antispyware, antiadware protection. It controls incoming mail, it checks web pages and documents, and it automatically offers scanning of a removable drive when connected.

Data in the computer are scanned in two ways; files are either scanned automatically on access or manually on demand. It is possible to plan regular scanning of selected disks or folders and regular updates of virus patterns. The solution is based on an effective combination of multiple scanning engines.

Parental lock enables blocking of web pages not suitable for children and youth. It is possible to select categories of web pages that should not be open, for example with pornographic or violent content.

Antiphishing module prevents the users from opening a fraudulent web site, aimed at luring out sensitive personal data. In comparison with previous versions, TrustPort Antivirus 2011 has a more current graphical user interface and neat new icons. In addition to the default skin, the user can choose from hundreds of other skins, available for free on the internet. The solution can be used in two operating modes, for beginners or for advanced users.

Users working on more workstations will appreciate option of creating portable antivirus protection on a flash disk. For the rare case of fatal operation system failure, it is possible to prepare a recovery disk in advance. With Trustport Antivirus you can keep your computer safe from any intruder attacks.

Antivirus and antispyware software High Level:
• Real-time protection of your data.
• Routine monitoring of PC data.
• Automated monitoring of removable media.
• Detection of emerging threats to information security.
• Resistance to attacks.
• Ease of operation.

The main functions of TrustPort Antivirus 2011:
• Protection for access
Each program starts and each opened file being scanned for viruses. Resident protection reliably blocks attempts to run malicious programs. Depending on your faulty file is renamed, moved to quarantine or delete.

• Scanner on request
You can have regular and occasional checks the hard disk or selected content file. Scanning can be scheduled for weekly, daily or hourly cycle, and carried out manually according to your selections.

• High levels of virus and spyware
Through the use of two top anti-virus engine, AVG and BitDefender, antivirus TrustPort reaches one of the highest detection levels in the world. He is able to detect and remove virtually all existing viruses, trojans and worms.

• Heuristics
In addition to the traditional scan methods, based on comparison of data from a database containing examples of viruses, the antivirus can not detect some malicious code. Analysis of the structure and behavior of the code file allows a high degree of probability to determine whether it contains a virus or spyware.

• Automatic updates
TrustPort Antivirus is regularly updated automatically. Depending on your anti-virus databases are downloaded at regular intervals and are available for downloading and installing the new version. Thus, the computer is always fully protected.

• Self-defense
Systemic anti-virus files to protect themselves from any attempt at unauthorized izmeneniya.Takim way, the malware will not be likely to cause damage or anti-virus to evade detection.

TrustPort USB Antivirus 2011: The mobile solution for the secure transmission of data on interchangeable memory media for example flash disks or memory cards. Prevents the copying of harmful code onto memory media, carries out antivirus tests on any host computer. Enables the encryption of files against unauthorized entry and offers the reliable shredding of private data which is no longer in use.

Antivirus Protection
As soon as the memory medium is connected to a given computer the resident protection is activated. This prevents the storing of harmful code on the given medium. So you don’t have to worry that while using a computer with an unknown level of security your USB flash disk or memory card will be infected.

On-demand scanner
According to your needs you can launch a scan of the computer on which you are working with your portable memory media. In the event of harmful code being found, the file will be renamed, moved to quarantine or deleted depending on the settings.

Proactive Protection
Between the arrival of new harmful code and its classification in the virus database there is a critical period when the computer is most vulnerable. Fortunately this antivirus program is able to recognize a virus not only from the database but also on the basis of its structure and behaviour.

Encrypted Data
The program enables sensitive data to be stored in the encrypted archive of a USB flash disk or memory card in case of loss or theft. The creation and extraction of data from the archive, entry and deletion of files are all at your disposal in the form of the intuitive interface.

Secure Shredding
It is important to delete sensitive confidential data after it is no longer in use in a way that no one can reconstruct it. For this task the program offers secure shredding as the disused files are repeatedly overwritten with random data. You can choose from eight levels of security in shredding.

Broad compatibility
The program isn’t installed on the computer’s hard disk but on a separate memory medium. This medium can be for example a USB flash disk or a memory card in any format. It is just as easy to install the program on a U3 smart disk. This comprises a special version of the USB flash disk with its own administrator program used for the transfer of personal data and live applications.

System Requirements:
· Intel Pentium IV
· 256 MB operating memory
· 500 MB free disk space

Language: Multilingual (CZ, DE, DK, EN, ES, FR, IT, NL, RU)

Download from Wupload
TrustPort Antivirus
http://www.wupload.com/file/39630213/TrustPort_Antivirus_11.0.0.4621.rar

TrustPort Total Protection
http://www.wupload.com/file/39630204/TrustPort_Total_Protection_11.0.0.4621.rar

TrustPort Internet Security
http://www.wupload.com/file/39630185/TrustPort_Internet_Security_11.0.0.4621.rar

TrustPort Antivirus for Servers 2011
http://www.wupload.com/file/39834052/TrustPort_Antivirus_Servers_11.0.0.4621.rar

TrustPort Antivirus for Small Business Server 2011
http://www.wupload.com/file/68490389/TrustPort_Antivirus_SmallBusinessServer_11.0.0.4621.rar

TrustPort USB Antivirus 2011
http://www.wupload.com/file/39601382/TrustPort_USB_Antivirus_11.0.0.4621.rar

Download from Filesonic
TrustPort Antivirus
http://www.filesonic.com/file/1338163221/TrustPort_Antivirus_11.0.0.4621.rar

TrustPort Total Protection
http://www.filesonic.com/file/1338165911/TrustPort_Total_Protection_11.0.0.4621.rar

TrustPort Internet Security
http://www.filesonic.com/file/1338165941/TrustPort_Internet_Security_11.0.0.4621.rar

TrustPort Antivirus for Servers 2011
http://www.filesonic.com/file/1338340064/TrustPort_Antivirus_Servers_11.0.0.4621.rar

TrustPort Antivirus for Small Business Server 2011
http://www.filesonic.com/file/1338340144/TrustPort_Antivirus_SmallBusinessServer_11.0.0.4621.rar

TrustPort USB Antivirus 2011
http://www.filesonic.com/file/1338163271/TrustPort_USB_Antivirus_11.0.0.4621.rar

Booting Operating systems from pendrive - An easy guide


There is a common problem that we all face with our laptops is that the optical drives stop working . Almost all brands of laptops have a maximum span of 1.5 to 2 years for the optical drives ( evenless in many cases) .
So there is always a problem when you want to install a new operating system from a bootable disk .
I have been trying to install the BACKTRACK 5 operating system on my system but I too faced the same problem that my optical drive is not working and currently i m not in budget to replace it .
So i went on to try and boot up through the usb pen drive .

I am posting two different methods . First is for girls and lame users which is a ready made software that creates your pendrive bootable and copies all the files from the image onto the drive. All you have to do is to change the boot order of your BIOS to boot from the USB.

Second method is for the guys who want to know the indepth working of the entire process . We will create a bootable pendrive from command prompt .
First Method

Here is the software that will solve your purpose of making pen drive or flash drives bootable . 
Simply download it and follow the on screen instructions .
You should have an image file of the operating system you want to boot  and upon restarting your computer you will have to change the boot order to USB drive .

Second Method

Now in this method we will create a bootable disk from command prompt . There are a series of commands that you have to follow to make ur pen drive bootable .
After this you can boot any operating system from your pen drive and install it or run as a bootable OS.

In this example i am considering that my pen drive name is disk i:

go to run and type "cmd" and right click it to "run as administrator"

start entering the following commands in a sequence

  • diskpart
  • list disk
  • select disk 1  (considering that in the list of disks your pendirve is disk 1 or choose accordingly)
  • clean
  • create partition primary
  • select partition 1
  • active
  • format fs=ntfs
  • assign
  • exit

After following these steps you just have to copy the setup files on your pen drive either from an image file or from where ever you have stored . Just restart and set the boot option to boot from USB drive.
 

Havij - Advanced SQL Injection Tool




Understanding Cain and Able - Beginner to Expert



This is my final post on the topic of ARP spoofing and poisoning . I hope you all have loved my other two posts in which I had built the grounds for understanding the basics of network protocols and ARP poisoning .
In case you want to read those post then here are the links :

Moving forward to the third and final post in this series , I will now focus on how we can use Cain and Able to perform the attack of ARP spoofing using this tool.
I will explain the other cool uses of this tool as well and then focus on how to use it as a sniffer.
Since I do not have a LAN setup to explain you with my own example so I picked up some good tutorials and papers from the net to explain you the things clearly .

Here is the Download link for Cain and Able - Download

DESCRIPTION

Cain & Abel is a password recovery tool for Microsoft Operating Systems. It allows easy recovery of various kinds of passwords by sniffing the network, cracking encrypted passwords using Dictionary & Brute-Force attacks, decoding scrambled passwords, revealing password boxes, uncovering cached passwords and analyzingrouting protocols. It also has ARP poisoning and spoofing capabilities, making it into anextremely powerful hacking or auditing tool. The ARP spoofing feature works in a similar way as described in the "ARP Spoofing" tutorial. Indeed it would be wise to read that tutorial before attempting to use Cain.
 
Environment
1. Install and run Cain. Immediately when it opens you can see the first disturbing scene. All the cached passwords are shown in the "Protected Storage" tab. These include passwords from IE, Outlook or other HTTP transactions.

2. The "Network" tab is a scaled enumeration system, able of enumerating all Windows computers it can find on the local network.

3.The most interesting (IMHO) feature of Cain is in the "Sniffer" Tab. Cain allows you to ARPSpoof, Sniff and Brute force passwords all via one interface. Notice that the "Sniffer Tab" has 5 sub-tabs - Hosts, APR, DNS Spoofer, Routing and Passwords.

4. To start ARP Spoofing, you need to activate the sniffing daemon and the APR daemon. You do this by clicking on both the "Sniff" and "APR" buttons at the top of the window 
5. Make sure you are in the "Sniffer" tab, and right click anywhere inside the tab. You should see a "Scan MAC addresses" option. Click it.

6. Choose the appropriate IP range that suits your local network and click "Ok".

7. A quick scan should occur, giving you all the MAC addresses present in that subnet.

8. Once the scan is complete, move to the APR sub-tab at the bottom of the window.This is the window in which you choose the computers you want to attack. Now click on the blue "plus" sign at the top of the windows to add hosts to attack.

9. You should get the following screen:


10. Now we wait for the attacked host to enter password data to services such as FTP, HTTP, POP3, IMAP, and lots of others. In the following screenshot, an FTP password was intercepted.

11. We can see that the FTP session between 192.168.1.32 (Attacked Computer) and 194.90.1.6 (Netvision's FTP server) was router via our computer. Now click on the "Passwords"see the captured passwords.

12. For encrypted passwords such as SMB (NTLM in it's various flavours) you can send the password to a Brute Force session.

 
13. After sending the password to the cracker, click on the "Cracker" tab and start the required attack.
 
This was a quick tutorial about Cain's ARP Spoofing ability. Apart from ARP Spoofing Cain can do lots of other wonderful things, just take time to *carefully* learn the application.
 

The art of ARP spoofing/flooding/poisoning



So far I was mostly concentrating on web hacking and its counter measures but in the recent past I have shifted my focus more onto wireless hacking. It is as big and tricky as wireless hacking but it requires more deeper understanding of the basics of networks. In one of my interviews I ws asked a question on ARP poisoning ( Thanks to Sachin Sir) wich I couldnt answer . Since then only I shifted my focus onto wireless hacking in LAN and soon on WAN too.
In my previous post I explained the basics of NIC,MAC and ARP. The main motive of that post was to build the grounds for ARP poisoning which I will explain in this post . In this post I will explain the concept behind it and then in my next tutorial on Cain and Able I will explain how it can be used for this hack.
In case you are not aware of technicalities of these terms then please refer the above link first .
ARP spoofing/flooding/poisoning
This is a technique to attack LANs that use arp as the address resolution technique. This attack involves sending fake or spoofed messages onto a LAN and fool other machines .
ARP spoofing is the technique of forging fake ARP messages on a network. It is possible to update a host's ARP cache with false information via spoofed ARP Replies. This technique is known as 'ARP Poisoning' and is the basis of more complex attacks. The most dangerous amongst them is Sniffing . Poisoning can also help in causing DoS type of attack too but here we will primilarly focus on Sniffing the ethernet data.

Sniffing is the term used to describe the reading of all packets on a network segment. This is relatively easy on a network connected via a hub as ethernet is a broadcast medium and the attacker would only have to place his NIC in promiscuous mode to 'sniff' all traffic on that network segment. In a switched network this is not possible. This is because a switch builds a table of MAC addresses and their associated ports when the switch is powered on. When a host transmits an ethernet frame the switch examines the destination MAC address and routes the frame to the associated port as given in the switch table. Therefore it is not possible to sniff any traffic on the network.
There are two methods to sniff traffic in a switched environment using ARP Poisoning. The first is for the attacker to send multiple spoofed ARP Replies to the switch. The switch will process these replies, updating its table. If this is done at a rapid rate the switches table will overflow and the switch will default to broadcasting all traffic to all ports. The attacker can now 'sniff' all network traffic.
The second method involves a 'man in the middle' style attack. I will explain this technique in detail by aid of an example. Below is a simple network segment with three hosts in a switched environment.


The attacker wishes to sniff all traffic that A sends to B and visa versa. This is currently not possible as the attacker is connected to the network via a switch. The correct IP addresses and MAC addresses for each host are as follows:

Host                IP Address             MAC Address
Host A           192.168.0.2          00:00:00:00:00:02
Host B           192.168.0.3          00:00:00:00:00:03
Attacker         192.168.0.4          00:00:00:00:00:04
Firstly the Attacker will poison A's ARP cache with a spoofed ARP Reply. The ARP reply will tell A that the IP address of B now has a MAC address of 00:00:00:00:00:04. Once A has processed the ARP Reply its ARP cache will look like this:

Host              IP Address             MAC Address
Host A          192.168.0.2           00:00:00:00:00:02
Host B          192.168.0.3           00:00:00:00:00:04
Attacker        192.168.0.4           00:00:00:00:00:04
Secondly the Attacker will poison B's ARP cache with a spoofed ARP Reply. The ARP reply will tell B that the IP address of A now has a MAC address of 00:00:00:00:00:04. Once B has processed the ARP Reply its ARP cache will look like this:
Host           IP Address            MAC Address
Host A      192.168.0.2           00:00:00:00:00:04
Host B      192.168.0.3           00:00:00:00:00:03
Attacker   192.168.0.4           00:00:00:00:00:04
Now whenever A sends B an ethernet frame the switch will route it to the attackers port, this will also be the case whenever B sends A an ethernet frame. The attacker may now 'sniff' the traffic whilst forwarding it on to its originally desired host.
The thing to keep in mind here is that the attacker must perform the two way poisoning so that it can recieve the packets as well as send it to the destination . In this way the connection will always be alive between the two communicating hosts and the attack will perform successfully.
Protection
To protect a hosts ARP cache from being poisoned it is possible to make it static. If an ARP cache has been made static it will not process any ARP Replies received unlike a dynamic ARP cache. This is not practical for large networks as the correct IP address to MAC address association of every host would have to be present in the cache of every host before it is made static. If one host changed its MAC address (e.g. after replacing a NIC) all hosts ARP caches would need to be updated manually. On windows a login script could automate this process however it has been reported Windows will still accept and process ARP Replies even when the ARP cache has been made static.
It is also possible to use Intrusion Detection Systems (IDS) to detect ARP Poisoning attacks. Arpwatch is a tool that will monitor a network for any changes in MAC address to IP address association, e-mailing the administrator should any such offence occur.
Here I have added a cool flash that will help you understand the whole process digramatically. I got it from oxid , the makers of Cain and Able.
Stay tuned for my next post on how to perform ARP poisoning using Cain and Able.

video

The Basics of NIC , MAC and ARP - Complete tutorial!




Hello friends . I am posting this article just to make my readers familiar with some of the most basic yet misunderstood terms of Computer networks. I recently came across one of my blog followers who was having trouble with these terms . Not only he , in fact many of us face these problems . The issue is that we straight away jump into using tools and learn quickly from the various technical papers available over the net but we tend to forget the basics of networks and these three terms are used most frequently . I am starting with this basic article as I am trying to build a solid ground to explain my readers what exactly is ment my ARP flooding/ARP spoofing . This is the most deadly wiresless LAN hack currently in practice. There are plenty of tools available to launch the attack but we should understand the basics of networks so that we can understand the attack well and then apply relevant security measures. Later on I will post a tutorial on ARP spoofing using Cain and Abel.


The Basics :


You must be familiar with the term IP address( if you are not then you are on the wrong site buddy) . Just like your home has a mailing address in the same way computers or devices connected over the internet have a mailing address called the IP address . It can either be static or dynamic. In case its static then it will remain unchanged everytime you connect to a network and if its dynamic then a local DHCP server grants you a new IP address everytime you connect to internet.

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