Showing posts with label LAN Hacking. Show all posts

How to shutdown your friend's Pc through chating using cmd




Hello friends. Today your's mafiyaboy is here with a cool trick. You can shutdown your friend's computer through chating. This is very simple and cool trick. Kindly follow these steps :-


Step 1: Before going to start clear all history, all cookies, stop all downloading and close all extra tabs. Mean to say stop all internet activities. Now go to your messanger and start chating with the victim.



Step 2: Go the start and click on run.



Step 3: In run command type cmd.exe and hit enter.



Step 4: A black screen will appear. This is command prompt. In this box type "netstat -n" (without quotes).



Step 5: Now if you done the step one correctly you see only one ip address many times (ip should be of victim).


Step 6: Now again, type "shutdown -i"(without quotes).A box will appear now click on add button.A small box will pop up. Now type ip address of computer which you get from "netstat -n" command.



Step 7: Now there are three options click on shutdown.


Step 8: To  show a message to victim's computer check the "warm users of the action" and set the number of seconds.



Step 9: Now select any option in shutdown event tracker.


Step 10: Now comes the best part of the prank. In last type your message like you got hacked and we destroy your computer. After this shutdown your computer is not going to start(type anything that scare your victim). Now click on ok and you are done. Have fun guys and must leave comment below.
Sunday, March 11, 2012
Posted by Anonymous

VoIP Hopper - Features and Video Tutorial





VoIP Hopper is a GPLv3 licensed security tool, written in C, that rapidly runs a VLAN Hop security test.  VoIP Hopper is a VoIP infrastructure security testing tool but also a tool that can be used to test the (in)security of VLANs. 


Features:



  • Can automatically discover the VLAN ID and VLAN Hop (add a VoIP Interface, send a "tagged" dhcp request)
  • VLAN protocol discovery methods:  CDP, Avaya DHCP, Nortel DHCP, LLDP-MED (Cisco), 802.1q
  • Assessment mode:  Interactive, menu driven command interface (-z)
  • Assessment mode:  Manually spoof CDP or LLDP-MED, or automatically VLAN Hop based on first discovered VVID
  • Assessment mode:  DHCP client automatically times out if DHCP is disabled, and still adds the VoIP interface and ARP sniffer
  • Assessment mode:  Can set a static IP address and spoof the MAC address of a previously discovered IP Phone, from a menu list ('s' option)
  • Assessment mode:  Analyze and record any discovered hosts (IP and MAC) on default interface to hosts.txt file
  • Assessment mode:  Automatically adds an ARP sniffer to VoIP VLAN interface after VLAN Hop, and records any discovered IP Phones (IP and MAC) to a file, voip-hosts.txt
  • Can VLAN Hop without discovery, by the Administrator specifying a VLAN ID to attempt to "Hop" into (-v)
  • VoIP DHCP client:  A fully integrated DHCP client.  VoIP Hopper implements DHCP messaging as function calls instead of relying on the old 'dhcpcd' client.  This opens up the door for future VLAN Discovery mechanisms for other vendors, such as Alcatel.
  • CDP Modes:  Can spoof a Cisco IP Phone and automatically VLAN Hop, using three methods.  1)  CDP sniffing, 2) Spoofing a CDP packet specified by user input, 3) Spoofing a pre-constructed IP Phone packet of a Cisco 7971G-GE (fastest method)
  • Avaya IP Phone VLAN discovery:  Can spoof the DHCP client Option 176 used by an Avaya IP Phone in order to automatically discover the VVID, and VLAN Hop.
  • Nortel IP Phone VLAN discovery:  Can spoof the DHCP client Option 191 used by a Nortel IP Phone in order to automatically discover the VVID, and VLAN Hop.
  • LLDP-MED support:  Support for sniffing or spoofing LLDP-MED capabilities used by an IP Phone, in order to enumerate the Voice VLAN ID.
  • 802.1q VLAN Discovery:  By default, most ethernet switch ports that terminate IP Phones are enabled for 802.1q trunking, and permit access for at least two VLANs.  The broadcast ethernet frames of IP Phones (ARP) will be sent, tagged, to all members (switch ports) of the broadcast domain (all IP Phones on the VoIP VLAN).  By running a simple sniffer, you can capture the VVID.  VoIP Hopper automates this method of VVID discovery.
  • Error correction with VLAN Interfaces:  Implemented a feature that checks to see if the IP address is already configured for the voice interface before attempting to add the new virtual interface, and tag the DHCP request.
  • 802.1x Anonymous Voice VLAN Bypass:  VoIP Hopper can generate CDP packets in order to discover the Voice VLAN ID, as any IP Phone based on CDP would do.  In this CDP spoof mode, VoIP Hopper will send two CDP packets in order to decipher the VVID, then it will iterate between sleeping for 60 seconds, and sending another packet.  Not only is this faster than CDP sniffing, but it can also help bypass any mechanisms that rely on CDP for permitting access to the Voice VLAN.
  • Voice VLAN Interface Delete:  VoIP Hopper can delete the created Voice interface (-d).
  • MAC Address Spoof, then exit:  VoIP Hopper can change the MAC Address of an interface offline and exit, without VLAN Hopping.
  • MAC Address spoof and automatic VLAN Hop, supporting multiple discovery methods
  • MAC Address spoof, only on new VoIP Interface (keep default interface the same MAC Address) (-D)

Example Usage:


Some quick samples usages for VoIP Hopper are listed below.

  • One of the most effective ways to run VoIP Hopper is the new, interactive assessment mode.  Simply run it as follows:  
        voiphopper -i eth0 -z
  • LLDP-MED spoofing:  You can spoof LLDP-MED packets to quickly learn the Voice VLAN ID, as follows:
        voiphopper -i eth0 -o 001EF7289C8E
  • There are three CDP modes for VoIP Hopper.  Sniff (-c 0), Spoof with custom packet (-c 1), and Spoof with pre-made packet (-c 2).  To sniff for CDP and run a VLAN Hop into the Voice VLAN, simply run VoIP Hopper on the ethernet interface, in the following way:
        voiphopper -i eth0 -c 0
  • To spoof CDP in order to more rapidly hop to the Voice VLAN in Cisco SIP environments, run VoIP Hopper in the following way:
          voiphopper -i eth0 -c 1 -E 'SIP00070EEA5086' -P 'Port 1' -C Host -L 'Cisco IP Phone 7940' -S              'P003-08-8-00' -U 1
  • To spoof CDP in order to more rapidly hop to the Voice VLAN in Cisco SCCP environments, run VoIP Hopper in the following way:
        voiphopper -i eth0 -c 1 -E 'SEP00070EEA5086' -P 'Port 1' -C Host -L 'Cisco IP Phone 7940' -S                 'P00308000700' -U 1
  • To spoof CDP with a pre-made packet generated by a Cisco 7971G-GE IP Phone:
        voiphopper -i eth0 -c 2
  • VoIP Hopper also allows one to VLAN Hop to an arbitrary VLAN, without sniffing for CDP.  If you already know the Voice VLAN ID, or would like to VLAN Hop into another VLAN (without sniffing for CDP), you can run it in the following way (target VLAN ID is '200'):
        voiphopper -i eth0 -v 200
  • To discover the Voice VLAN in an Avaya IP Phone environment and automatically jump VLANs:
        voiphopper -i eth0 -a
  • To discover the Voice VLAN in a Nortel IP Phone environment and automatically jump VLANs:
        voiphopper -i eth0 -n
  • To spoof the MAC address of an IP Phone by sniffing for CDP (this changes the MAC address of default interface and new interface):
        voiphopper -i eth0 -c 0 -m AA:AA:AA:AA:AA:AA
  • To spoof the MAC address of an IP Phone using an Avaya DHCP request (this changes the MAC address of default interface and new interface):
        voiphopper -i eth0 -a -m AA:AA:AA:AA:AA:AA
  • To spoof the MAC address of an IP Phone by VLAN Hopping without CDP or DHCP (this changes the MAC address of default interface and new interface):
        voiphopper -i eth0 -v 200 -m AA:AA:AA:AA:AA:AA
  • To spoof the MAC address of an IP Phone without changing the MAC address of the default ethernet interface (only spoof the new voice interface's MAC address):
        voiphopper -i eth0 -v 200 -m AA:AA:AA:AA:AA:AA -D
  • To simply spoof the MAC address of an interface and then exit.
        voiphopper -i eth0 -m AA:AA:AA:AA:AA:AA
  • To delete the VoIP interface (eth0.200) created by VoIP Hopper:
        voiphopper -d eth0.200


                                                                 ==============
                                                                ==============

VIDEO Tutorials:

Tutorial 1:  Assessment Mode video tutorial for VoIP Hopper 2.0

Here is a tutorial demonstrating the new, exciting features for Assessment mode.  Until I can integrate DHCP spoofing for Avaya/Nortel into assessment mode, I've also shown how to do both Avaya and Nortel VLAN discovery at the end of the video.


Tutorial 2:  LLDP-MED features of VoIP Hopper

Here is a tutorial demonstrating the new LLDP-MED capabilities.


Tutorial 3:  Hotel Exploit Demo ~ When DHCP is disabled

Here is a tutorial demonstrating the same live demo showed at DefCon 19, in which DHCP was disabled on the VoIP VLAN subnet.  VoIP Hopper can still VLAN Hop and spoof the IP and MAC address of an IP Phone, as selected by the user.  This is a demonstration of the "s" option of Assessment mode.
Wednesday, December 7, 2011
Posted by Anonymous

Facebook Cookie Stealing And Session Hijacking

THIS ARTICLE IS ORIGINALLY WRITTEN BY RAFAY BALOCH. HE BLOGS AT www.rafayhackingarticles.net

Three days ago I finished the series on Gmail Session Hijacking and Cookie Stealing , due to a tremendous response of readers I planned to write a post on Facebook cookie stealing and Session hijacking. Facebook session hijacking can also be accomplished via a very popular tool called Firesheep(On a Wifi Network Only), which I won't be explaining here because I have already written it before in my post Facebook Hacking Made Easy With Firesheep
In this tutorial I will explain you how an attacker can capture your authentication cookies on a local area network and use them to hack your facebook account,  Before reading this tutorial I would recommend you to  part1, part2 and part 3 of my Gmail Session Hijacking and Cookie stealing series, So you could have better understanding of what I am doing here.

Facebook Authentication Cookies

The cookie which facebook uses to authenticate it's users is called "Datr", If an attacker can get hold of your authentication cookies, All he needs to do is to inject those cookies in his browser and he will gain access to your account. This is how a facebook authentication cookie looks like:
Cookie: datr=1276721606-b7f94f977295759399293c5b0767618dc02111ede159a827030fc;

How To Steal Facebook Session Cookies And Hijack An Account? 

An attacker can use variety of methods in order to steal your facebook authentication cookies depending upon the network he is on, If an attacker is on a hub based network he would just sniff traffic with any packet sniffer and gain access to victims account.

If an attacker is on a Switch based network he would use an ARP Poisoning request to capture authentication cookies, If an attacker is on a wireless network he just needs to use a simple tool called firesheep in order to capture authentication cookie and gain access to victims account.

In the example below I will be explaining how an attacker can capture your authentication cookies and hack your facebook account with wireshark.

Step 1 - First of all download wireshark from the official website and install it.

Step 2 - Next open up wireshark click on analyze and then click on interfaces.

Step 3 - Next choose the appropriate interface and click on start.




Step 4 - Continue sniffing for around 10 minutes.

Step 5 - After 10minutes stop the packet sniffing by going to the capture menu and clicking on Stop.

Step 6 - Next set the filter to http.cookie contains “datr” at top left, This filter will search for all the http cookies with the name datr, And datr as we know is the name of the facebook authentication cookie.


Step 7 -  Next right click on it and goto Copy - Bytes - Printable Text only.



Step 7 -  Next right click on it and goto Copy - Bytes - Printable Text only.


Step 8 - Next you’ll want to open up firefox. You’ll need both Greasemonkey and the cookieinjector script. Now open up Facebook.com and make sure that you are not logged in.

Step 9- Press Alt C to bring up the cookie injector, Simply paste in the cookie value into it.


Step 10 - Now refresh your page and viola you are logged in to the victims facebook account.



Note: This Attack will only work if victim is on a http:// connection and even on https:// if end to end encryption is not enabled.


Countermeasures

The best way to protect yourself against a session hijacking attack is to use https:// connection each and every time you login to your Facebook, Gmail, Hotmail or any other email account. As your cookies would be encrypted so even if an attacker manages to capture your session cookies he won't be able to do any thing with your cookies.
 
 
Tuesday, July 12, 2011
Posted by Anonymous

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