Tuesday, July 05, 2011
Anu
Ettercap is a suite for man in the middle attacks on LAN (local area network ). It features sniffing of live connections, content filtering on the fly and many other interesting tricks.It supports active and passive dissection of many protocols (even ciphered ones) and includes many feature for network and host analysis. In this tutorial i will explain how to sniff (user names,passwords) in LAN using Ettercap
Man In The Middle Attack
The man-in-the-middle attack (also known as a bucket-brigade attack and abbreviated
MITM) is a form of active eavesdropping in which the attacker makes independent
connections with the victims and relays messages between them, making them believe
that they are talking directly to each other over a private connection when in fact the
entire conversation is controlled by the attacker.
MITM) is a form of active eavesdropping in which the attacker makes independent
connections with the victims and relays messages between them, making them believe
that they are talking directly to each other over a private connection when in fact the
entire conversation is controlled by the attacker.
There
are several kinds man in the middle attacks that we can perform, But in
this tutorial we will see attacks based on the ARP protocol
ARP Poisoning
Address
Resolution Protocol (ARP) spoofing, also known as ARP flooding, ARP
poisoning or ARP Poison Routing (APR), is a technique used to attack an
Ethernet wired or wireless network. ARP Spoofing may allow an attacker
to sniff data frames on a local area network (LAN), .
Man In The Middle Attack Using Ettercap
1. First download Ettercap From Here
2. After installation open Ettercap , select sniff mode and select your network interface as shown
3. Now scan for hosts in your sub net by going to Hosts ---> scan for hosts
4. Now open host list from hosts tab and select the IP address of the victim as target 1 and IP address of the router as target 2
5. Now start ARP poisoning by going to mitm ---> ARP Poisoning
6. Finally start the sniffer by going to start ---> start sniffing . Now if victim logs into gmail , face book yahoo mail...etc .we will get the user name and password
Hope you Enjoyed the article, In my coming posts i will be writing about the countermeasures that you can take against ARP poisoning , MITM ..etc .Till then have a nice time
Thanks...
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